Untitled Document
Untitled Document
Academic Staff member

Prof. W.G.D. Dharmaratna

Senior Professor of Physics

Ph. D. in Theoretical Physics, 1989 Tufts University, Department of Physics and Astronomy, USA.
Post graduate studies GPA = 4.0
M. Sc. in Physics, 1984 - Tufts University, Department of Physics and Astronomy, USA.
B. Sc. (Special in Physics), 1978 - University of Peradeniya, Peradeniya, Sri Lanka

Fellow - Institute of Physics, Sri Lanka
Life Member- SLAAS

Email - dharma@phy.ruh.ac.lk
Office - +94412227020/4501


  • SUPERVISION OF POSTGRADUATE STUDENTS
  • a)Kalpanie M. Liyanage - PhD in HEP (CMS) -Started in 2018
  • b)Nimantha Perera - PhD in HEP (CMS) - Started in 2018
  • c)S.M.N. Sethunga - PhD To be completed in 2019
  • d)D.A.Madarasinghe - MPhil Thesis is submitted (2019)
  • e)Ms. Nadeesha Wickramage - PhD Completed in 2014 (CMS experiment, 1st from a Sri Lankan University))
  • f)Ms. K.M.E.M. Karunawardana - MPhil Completed in 2010
  • g)Mr. E.M. Ranatunge - MPhil Completed in 2010
  • h)Mr. J.A.P. Bodhika - PhD Completed in 2009 (University of Colombo)
  • i)Mr. J. Peiris- - MPhil Completed in 2008 (Supervised at the Final stage)
  • j)Mr. Kapila Hewaparakrama - MPhil Completed in 1998
  • High Energy Physics (CMS Experiment, CERN, Initiated the HEP research in a Sri Lankan Universities for the first time)
  • Condensed matter Physics
  • Photoelectrochemical cells
  • Thermal Conductivity
  • Energy Saving Devices
  • Noise Pollution and Lightning
  • Particle Interactions (Quantum Chromodynamics)
  • Spin Physics
  • Transverse Polarization
  • Computational Physics
  • 1.Measurement of the top quark Yukawa coupling from t + t bar kinematic distributions in the lepton + jets final state in proton-proton collisions at = 13, AM Sirunyan et al.,* (CMS Collaboration), Physical Review D 100 (7), 072007, 2019.
  • 2.Search for MSSM Higgs boons decaying to ?+ ?? in proton-proton collisions at , Physics Letters B 798,134992, 2019
  • 3.Search for Higgs and Z boson decays to J/? or Y pairs in the four-muon final state in proton-proton collisions at , Physics Letters B 797, 134811 , 2019
  • 4.Measurement of the top uark Yukawa coupling from t + t bar kinematic distributions in the lepton + jets final state in proton-proton collisions at = 13, AM Sirunyan et al.,* (CMS Collaboration), Physical Review D 100 (7), 072007, 2019.
  • 5.Search for Higgs and Z boson decays to J/? or Y pairs in the four-muon final state in proton-proton collisions at = 13 TeV, AM Sirunyan, et al.,* (CMS Collaboration), Physics Letters B 797, 134811, 2019.
  • 6.Search for supersymmetry in proton-proton collisions at 13 TeV in final states with jets and missing transverse momentum, AM Sirunyan, et al., *(CMS Collaboration), Journal of High Energy Physics (10), 244, 2019.
  • 7.Search for MSSM Higgs bosons decaying to ?+ ?? in proton-proton collisions at = 13TeV, AM Sirunyan, et al.,* (CMS Collaboration), Phys. Lett. B 798, 134992, 2019
  • 8.Search for pair production of vectorlike quarks in the fully hadronic final state, AM Sirunyan*(CMS Collaboration), Phy. Rev. D 100 (7), 072001, 2019.
  • 9.Search for the production of W±W±W? events at = 13TeV, AM Sirunyan, et al. * (CMS Collaboration), Phy. Rev. D 100 (1), 012004, 2019.
  • 10.Observation of Two Excited States and Measurement of the (2s) Mass in pp Collisions at = 13 TeV, A. M. Sirunyan et al.* (CMS Collaboration), Phy Rev Letters 122,132001, 2019
  • 11.A preliminary study on hearing problems of workers due to exposure of high occupational noise for a long period, S.M.N. Sethunga, U. Abeysuriya, J.A.P. Bodhika, W.G.D. Dharmaratna, S.A. Wickramasinghe, Proc. 6th RISTCON, Univ. of Ruhuna, Sri Lanka, 2019.
  • 12.Sound Absorption characteristics of two selected fruit plants, Anacardium occidentale (cashew) and Mangifera indica (mango), measured by reverberation room method, Proc. 6th RISTCON, Univ. of Ruhuna, Sri Lanka, 2019.
  • 13.Optical and structural Properties of CdS thin films prepared using electro-deposition technique, G.D.K.Mahanama, D.A.Madarasinghe, W.G.D.Dharmarathna, D.Jayasundara, Ruhuna Journal of Science, Vol 9: 57-63, 2018
  • 14.Characteristics of thunder pertinent to tropical lightning, J.A.P. Bodhika, W.G.D. Dharmaratna, Mahendra Fernando, Vernon Cooray, 34th Int. Conf. on Lightning Protection (ICLP) Sep 2018, Poland.
  • 15.Hearing threshold shift of workers in metal quarries and crushers due to high occupational noise exposure, S.M.N. Sethunga, U. Abeysuriya, J.A.P. Bodhika and W.G.D. Dharmaratna, 5th RISTCON 2018
  • 16.An automated device to release a desired volume of a liquid from a container, A.H.H. Hasanga, W.G.D. Dharmaratna, S.S. Abeywickrama and E.M. Ranatunga, 5th RISTCON 2018.
  • 17.Traffic volume pattern and its correlation to traffic noise in Matara city, N.D. Amarasingha, I. Darshana, M.K. Abeyratne, J.A.P. Bodhika and W.G.D. Dharmaratna, Proceedings of 5th, RISTCON 2018.
  • 18.Noise pollution in Matara city, S.M.N. Sethunga, J.A.P. Bodhika and W.G.D. Dharmaratna, RISTCON 2017, Jan. 2017
  • 19.Study on noise exposure of train passengers in Sri Lanka, S.M.N. Sethunga, J.A.P. Bodhika and W.G.D. Dharmaratna, RISTCON 2017, Jan. 2017
  • 20.A novel device for bending PVC pipes for plumbing purposes, N.A.A.K. Sanjaya, W.G.D. Dharmaratna, S.S. Abeywickrama and E.M. Ranatunga, RISTCON 2017, Jan. 2017
  • 21.Noise level exposure in school class rooms. S.M.N. Setunga, J.A.P. Bodhika and W.G.D. Dharmaratna, Published in the Proceedings of RISTCON 2016, 2016
  • 22.Electricity consumption patterns in households in selected regions in Sri Lanka, W.G.D. Dharmaratna, L.J.M.S.S.B. Balalla, Published (poster) in the Proceedings of RISTCON 2016, 2016
  • 23.Properties of CdS thin films prepared using the electro-deposition technique for applications in CdS/CdTe solar cells. D.A. Madarasinghe, G.D.K. Mahanama, W.G.D. Dharmaratna, D. Jayasundara, Published in the Proceedings of RISTCON 2015, Jan. 2015
  • 24.Traffic noise mapping in Tangalle city – Sri Lanka, S.M.N. Setunga, J.A.P. Bodhika and W.G.D. Dharmaratna, Published in the Proceedings of RISTCON 2015, Jan. 2015.
  • 25.A priliminary study of the features of acoustic pressure pulses of lightning, J.A.P. Bodhika, M. Fernando, Vernon Cooray, W.G.D.Dharmarathna Proceedings of Proceedings of ICLP 2014 (International Conference on Lightning Protection), Shanghai, China, pp 2019-2023.
  • 26.Reduction of traffic noise due to improved road conditions: Evidence from Matara & Hambantota, Sri Lanka, S.M.N. Sethunga, J.A.P. Bodhika, W. G. D. Dharmaratne, Proceedings of the 2nd International Conference on Cities, People & Places-ICCPP, 31-02 November 2014. Colombo, Sri Lanka, pp 208-216.
  • 27.Preliminary results of a study on health impacts on human beings due to long term exposure to heavy noise, S.M.N. Setunga, J.A.P. Bodhika and W.G.D. Dharmaratna, Published (abstract) in the Proceedings of the One Health International Conference, Sep. 2014, Univ. of Peradeniya, Sri Lanka
  • 28.Traffic noise contour mapping in Galle city, Sri Lanka, S.M.N. Sethunga, J.A.P. Bodhika, W.G.D. Dharmaratne. Proceedings of the 5th International Conference on Sustainable Built Environment (ICSBE-2014) on green technology and green energy, Kandy Sri Lanka. pp 1-8 .
  • 29.Preliminary results of a study of levels of Noise pollution and its Health impacts due to school western bands, S.M.N. Sethunga, J.A.P. Bodhika, W. G. D. Dharmaratne, Proceedings of the 1st Wayamba University International Conference, Sri Lanka, 29-30 August - 2014, pp 45.
  • 30.Measurement of the transverse momentum distribution of Z bosons decaying to dimuons in pp collisions at center-of-mass energy of 8 TeV, D. Acosta, D. Bourilkov, G.P Di Giovanni, A. Kropivnitskaya, K. Mazumdar, N. Wickramage and W.G.D. Dharmaratna, Published in the Proceedings of RISTCON 2014, Jan. 2014.
  • 31.Preliminary results on the preparation of CdS thin films using electro-deposition technique for applications in CdS/CdTe solar cells, D.A. Madarasinghe, G.D.K. Mahanama, W.G.D. Dharmaratna, Published in the Proceedings of RISTCON 2014, Jan. 2014.
  • 32.Preliminary results on the preparation of CdTe thin films using electro-deposition technique for applications in CdS/CdTe solar cells, D.A. Madarasinghe, G.D.K. Mahanama, W.G.D. Dharmaratna, Published in the Proceedings of 10th Academic Session, Univ. of Ruhuna, Mar 2014.
  • 33.Preliminary results of noise level measurements inside passenger buses in southern province of Sri Lanka, S.M.N. Setunga, J.A.P. Bodhika and W.G.D. Dharmaratna, Published (abstract) in the Proceedings of RISTCON 2014, Jan. 2014.
  • 34.Design and construction of a temperature monitoring system for a noodles dryer at a local industry, B.H.B.M. De Silva, W.G.D. Dharmaratna, K.K.A.S. Yapa and J.A.P. Bodhika, Published (abstract) in the Proceedings of RISTCON 2014, Jan. 2014.
  • 35.Design and construction of a display system for systematic monitoring of the noodles steaming process at a local industry, N.V.D.P. Priyadarshani, W.G.D. Dharmaratna, K.K.A.S. Yapa and J.A.P. Bodhika, Published (abstract) in the Proceedings of RISTCON 2014, Jan. 2014.
  • 36.Design and construction of an automated rain gauge, W.W. Rukshan Medis, W.G.D. Dharmaratna, J.A.P. Bodhika and S.S. Abeywickrama, Published (abstract) in the Proceedings of RISTCON 2014, Jan. 2014.
  • 37.Reconstruction of Lightning Channel Geometry by Localizing Thunder Sources, Bodhika J.A.P.1, Dharmarathne W.G.D.1, Mahendra Fernando2 and Vernon Cooray, Journal of Atmospheric and Solar-Terrestrial Physics 102 (2013) 81–90.
  • 38.Traffic noise contour mapping in Matara city – Sri Lanka, S.M.N. Setunga, J.A.P. Bodhika and W.G.D. Dharmaratna, Published in the proceedings of “International Conference on Cities, People, Places”, Colombo, Sri Lanka, Oct. 2013
  • 39.A preliminary study on the optimization of electrochemically deposited CdS layers for applications in CdS/CdTe solar cells, Madarasinghe D.A, Mahanama G. D. K., Dharmaratna W.G.D., Proc. 10th Academic Session, Univ. Ruhuna, Mar 2013.
  • 40.Variability of noise levels at the main bus stand at Matara, Sri Lanka: Preliminary results, S.M.N. Setunga, J.A.P. Bodhika and W.G.D. Dharmaratna, Proc. 9th Ruh. Sci. Sym., Jan 2013.
  • 41.Wireless Multiple Choice Question/Answer Evaluation System for Classrooms, V.H.P. Vitharana, S.S. Abeywickrama, W.G.D. Dharmaratna and K.K.A.S. Yapa, Proc. 9th Ruh. Sci. Sym., Jan 2013.
  • 42.A new boson with a mass of 125 GeV observed with the CMS experiment at the Large Hadron Collider, The CMS Collaboration, Science 338,1569 (2012); DOI 10.1126/scence. 12|30|8|1|6
  • 43.Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC.
  • By CMS Collaboration (Serguei Chatrchyan et al.). Published in Phys.Lett. B716 (2012) 30-61
  • CMS-HIG-12-028, CERN-PH-EP-2012-220
  • 44.Localization of Thunder Source and Reconstruction of Lightning Channel Geometry Using Sound Data, Bodhika J.A.P., Dharmarathne W.G.D., Mahendra Fernando and Vernon Cooray, 7th Asia-Pacific International Conference on Lightning, Chengdu, China, Nov. 1-4, 2011
  • 45.Managements of energy use during tire production at Loadstar factory using a homemade message display unit, K.G.K.U.gamage,M.Kodikara,W.G.D. Dharmarathna,K.K.A.S.Yapa,S.S.Abeywickrama, Proc. 8th Ruh. Sci. Sym., Dec. 2011
  • 46.A preliminary study on the attenuation of sound over the ground level, R.M.R.M.Jayathilaka, J.A.P.Bodhika, W.G.D.Dharmarathna, Proc. 8th Ruh. Sci. Sym., Dec. 2011
  • 47.Transverse momentum and pseudorapidity distributions of charged hadrons in pp collisions at $sqrt(s)$ = 0.9 and 2.36 TeV. By CMS Collaboration (Vardan Khachatryan et al.). CMS-QCD-09-010, CERN-PH-EP-2010-003, Feb 2010. 31pp. Published in JHEP 1002:041,2010. e-Print: arXiv:1002.0621 [hep-ex]
  • 48.Commissioning and Performance of the CMS Pixel Tracker with Cosmic Ray Muons.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-001, FERMILAB-PUB-10-144-CMS, Nov 2009. 37pp. Published in JINST 5:T03007,2010. e-Print: arXiv:0911.5434 [physics.ins-det]
  • 49.Performance of the CMS Level-1 Trigger during Commissioning with Cosmic Ray Muons.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-013, FERMILAB-PUB-10-145-CMS, Nov 2009. 49pp. Published in JINST 5:T03002,2010. e-Print: arXiv:0911.5422 [physics.ins-det]
  • 50.Measurement of the Muon Stopping Power in Lead Tungstate. By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-005, FERMILAB-PUB-10-146-CMS, Nov 2009. 31pp.
  • Published in JINST 5:P03007,2010. e-Print: arXiv:0911.5397 [physics.ins-det]
  • 51.Commissioning and Performance of the CMS Silicon Strip Tracker with Cosmic Ray Muons.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-002, FERMILAB-PUB-10-147-CMS, Nov 2009. 45pp. Published in JINST 5:T03008,2010. e-Print: arXiv:0911.4996 [physics.ins-det]
  • 52.Performance of CMS Muon Reconstruction in Cosmic-Ray Events.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-014, FERMILAB-PUB-10-148-CMS, Nov 2009. 47pp. Published in JINST 5:T03022,2010. e-Print: arXiv:0911.4994 [physics.ins-det]
  • 53.Performance of the CMS Cathode Strip Chambers with Cosmic Rays.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-011, FERMILAB-PUB-10-149-CMS, Nov 2009. 39pp. Published in JINST 5:T03018,2010. e-Print: arXiv:0911.4992 [physics.ins-det]
  • 54.Performance of the CMS Hadron Calorimeter with Cosmic Ray Muons and LHC Beam Data.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-009, FERMILAB-PUB-10-150-CMS, Nov 2009. 35pp. Published in JINST 5:T03012,2010. e-Print: arXiv:0911.4991 [physics.ins-det]
  • 55.Fine Synchronization of the CMS Muon Drift-Tube Local Trigger using Cosmic Rays.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-025, FERMILAB-PUB-10-151-CMS, Nov 2009. 33pp. Published in JINST 5:T03004,2010. e-Print: arXiv:0911.4904 [physics.ins-det]
  • 56.Calibration of the CMS Drift Tube Chambers and Measurement of the Drift Velocity with Cosmic Rays. By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-023, FERMILAB-PUB-10-152-CMS, Nov 2009. 37pp. Published in JINST 5:T03016,2010. e-Print: arXiv:0911.4895 [physics.ins-det]
  • 57.Performance of the CMS Drift-Tube Local Trigger with Cosmic Rays.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-022, FERMILAB-PUB-10-153-CMS, Nov 2009. 31pp. Published in JINST 5:T03003,2010. e-Print: arXiv:0911.4893 [physics.ins-det]
  • 58.Commissioning of the CMS High-Level Trigger with Cosmic Rays.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-020, FERMILAB-PUB-10-154-CMS, Nov 2009. 31pp. Published in JINST 5:T03005,2010. e-Print: arXiv:0911.4889 [physics.ins-det]
  • 59.Identification and Filtering of Uncharacteristic Noise in the CMS Hadron Calorimeter.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-019, FERMILAB-PUB-10-155-CMS, Nov 2009. 29pp. Published in JINST 5:T03014,2010. e-Print: arXiv:0911.4881 [physics.ins-det]
  • 60.Performance of CMS Hadron Calorimeter Timing and Synchronization using Test Beam, Cosmic Ray, and LHC Beam Data. By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-018, FERMILAB-PUB-10-156-CMS, Nov 2009. 31pp. Published in JINST 5:T03013,2010. e-Print: arXiv:0911.4877 [physics.ins-det]
  • 61.Performance of the CMS Drift Tube Chambers with Cosmic Rays.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-012, FERMILAB-PUB-10-157-CMS, Nov 2009. 45pp. Published in JINST 5:T03015,2010. e-Print: arXiv:0911.4855 [physics.ins-det]
  • 62.Commissioning of the CMS Experiment and the Cosmic Run at Four Tesla.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-008, FERMILAB-PUB-10-158-CMS, Nov 2009. 37pp. Published in JINST 5:T03001,2010. e-Print: arXiv:0911.4845 [physics.ins-det]
  • 63.CMS Data Processing Workflows during an Extended Cosmic Ray Run. By CMS Collaboration (Serguei Chatrchyan et al.). FERMILAB-PUB-09-602-CD-CMS, CMS-CFT-09-007, Nov 2009. (Published Mar 19, 2010). 43pp. Published in JINST 5:T03006,2010. e-Print: arXiv:0911.4842 [physics.ins-det]
  • 64.Aligning the CMS Muon Chambers with the Muon Alignment System during an Extended Cosmic Ray Run. By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-017, FERMILAB-PUB-10-160-CMS, Nov 2009. 35pp. Published in JINST 5:T03019,2010. e-Print: arXiv:0911.4770 [physics.ins-det]
  • 65.Performance Study of the CMS Barrel Resistive Plate Chambers with Cosmic Rays.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-010, FERMILAB-PUB-10-161-CMS, Nov 2009. 33pp. Published in JINST 5:T03017,2010. e-Print: arXiv:0911.4045 [physics.ins-det]
  • 66.Time Reconstruction and Performance of the CMS Electromagnetic Calorimeter.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-006, FERMILAB-PUB-10-162-CMS, Nov 2009. 27pp. Published in JINST 5:T03011,2010. e-Print: arXiv:0911.4044 [physics.ins-det]
  • 67.Alignment of the CMS Muon System with Cosmic-Ray and Beam-Halo Muons.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-016, FERMILAB-PUB-10-163-CMS, Nov 2009. 41pp. Published in JINST 5:T03020,2010. e-Print: arXiv:0911.4022 [physics.ins-det]
  • 68.Precise Mapping of the Magnetic Field in the CMS Barrel Yoke using Cosmic Rays.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-015, FERMILAB-PUB-10-164-CMS, Oct 2009. 35pp. Published in JINST 5:T03021,2010. e-Print: arXiv:0910.5530 [physics.ins-det]
  • 69.Performance and Operation of the CMS Electromagnetic Calorimeter.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-004, FERMILAB-PUB-10-165-CMS, Oct 2009. 39pp. Published in JINST 5:T03010,2010. e-Print: arXiv:0910.3423 [physics.ins-det]
  • 70.Alignment of the CMS Silicon Tracker during Commissioning with Cosmic Rays.
  • By CMS Collaboration (Serguei Chatrchyan et al.). CMS-CFT-09-003, FERMILAB-PUB-10-166-CMS, Oct 2009. 39pp. Published in JINST 5:T03009,2010. e-Print: arXiv:0910.2505 [physics.ins-det]
  • 71.A Practical device to reduce the wastage of cooking gas, W.M.B.P.Weerasinghe, W.G.D.D. Dharmarathna and E.M.Ranatunga, Proc. 7th Sci. Sym., Uni. Ruhuna,, Jan 2010.
  • 72.Programming of a simple molecular dynamic simulation using open source software
  • R.M.R.M. Jayathilaka, K.K.A.S.Yapa and W.G.D. Dharmarathna, Proc. 7th Sci. Sym., Uni. Ruhuna, Jan 2010.
  • 73.Construction of an efficient Parabolic Solar Cooker at Low Cost, (Poster),W.G.D. Dharmaratna, K.A.C. Perera, Proc. 6th Sci. Sym., Uni. Ruhuna, Jan 2009
  • 74. A low cost automated device to release a certain volume of liquid, E.M. Ranatunga and W.G.D. Dharmatatna, Proc. 6th Sci. Sym., Uni. Ruhuna, Jan 2009
  • 75.The CMS experiment at the CERN LHC, S. Chatrchyan et al. (CMS Collaboration ), JINST 3 (2008) S08004, 361pp
  • 76.A comparison of thunder signatures between cloud and ground flashes associated with audio frequency pressure variations over Sri Lanka, J.A.P. Bodika, M. Fernando, V. Cooray and W.G.D. Dharmaratna, 29th International Conference on Lightning Protection, Uppsala, Sweden, June 2008.
  • 77.CMS physics technical design report: Addendum on high density QCD with heavy ions, David G. d'Enterria, (Ed.) et al. (CMS Collaboration). CERN-LHCC-2007-009, Mar 2007. 169pp.
  • Published in J.Phys.G34:2307-2455,2007.
  • 78.CMS expression of interest in the SLHC, J. Nash, (Ed.) et al. (CMS Collaboration), CERN-LHCC-2007-014, CERN-LHCC-G-131, Mar 2007. 56pp.
  • 79.CMS Technical Design Report, Volume II: Physics Performance, G.L. Bayatian et al. (CMS Collaboration) CERN-LHCC-2006-021, CMS-TDR-008-2, 2007. 585pp., Published in J.Phys.G34:995-1579,2007.
  • 80.SUSY Discovery at LHC: Extending Reach with Modern Analysis Methods, W.G.D. Dharmaratna, V. Hagopian, K.F. Johnsen, J. McDonald and H.B. Prosper, hep-ex/0607002, July 2006.
  • 81.CMS Physics Technical Design Report, Volume I: Detector Performance and Software, G.L. Bayatian et al. (CMS Collaboration), CERN-LHCC-2006-001, CMS-TDR-008-1, 2006. 521pp.
  • 82.A simple device to reduce the wastage of cooking gas, E.M. Ranatunga and W.G.D. Dharmaratna,
  • Ruhuna Sci. Journal, Vol. 1, 2006. (Also in the proceedings of 62nd Annual Sessions of SLAAS Dec. 2006- in abstract form)
  • 83.Development of rainfall forecasting model for Sri Lanka using artificial feed-forward neural network, W.G.D. Dharmaratna and L.D. Premarathna, 2nd Science Symposium, Univ. of Ruhuna, Matara, Aug. 2004.
  • 84.A possibility of saving energy in cooking rice, W.G.D. Dharmaratna and E.M. Ranatunga, 59th Annual Session of SLAAS, Dec. 2003.
  • 85.Enhancement of electrical conductivity of molybdenum incorporated TiO due to sintering, W.G.D. Dharmaratna and P.W.C. Roshan, 58th Annual Session of SLAAS, 2002.
  • 86.A correlation between activation energy and light absorption of WOincorporated TiO, W.G.D. Dharmaratna, P.W.C. Roshan, W.P. Siripala and L.B.D.R.P. Wijesundera, Proc. 1st Sci. Sym., University of Ruhuna, Dec. 2002.
  • 87.Peculiar characteristics in electrical conductivity of WOincorporated TiO, W.G.D. Dharmaratna and P.W.C. Roshan, 18th Technical Session of IPSL, Mar. 2002.
  • 88.Enhancement of electronic conduction of WO incorporated TiOdue to sintering, W.G.D. Dharmaratna and P.W.C. Roshan, 57th Annual Session of SLAAS, 2001.
  • 89.Alteration of electrical conduction properties of TiOusing VO, VO and CrO, Proc.,W.G.D. Dharmaratna and K.N. Cems, 17th Technical Session of IPSL, Mar. 2001
  • 90.Effects of Chromium Ion Doping on the Conduction Properties of TiO, W.G.D. Dharmaratna and K.N. Cems, Proc., 16th Technical Session of IPSL, Mar. 2000, 34-41.
  • 91.Effects of sintering temperature on chromium doping in , W.G.D.Dharmaratna and K. N. Cems, Proc. of 56th Annual session of SLAAS, 2000.
  • 92.Calculation of Feynman diagrams using a symbolic manipulation programme in personal computers, W.G.D. Dharmaratna and M.A.A. Karunarathna, Journal of
  • Physics, IPSL, Vol. 1, 2000.
  • 93.Effects of Chromium Ion Doping on the Conduction Properties of, W.G.D.Dharmaratna and K. N. Cems,Proceedings of 15th Technical Session of IPSL, 1999.
  • 94.Alteration of Electronic Structure of due to Vanadium Doping, W.G.D.Dharmaratna and K. N. Cems, Proceedings of 5th Workshop on Low Cost Electronic Materials, Solar Cells and Renewable Energy Sources, Colombo, Sri Lanka, Feb. 2000.
  • 95.Enhancement of Electronic Conduction indue to Chromium., W.G.D.Dharmaratna and K. N. Cems, Proceedings of 55th Annual Session of SLAAS, 1999. (Abstract)
  • 96.Variation of Semiconduction properties in Zirconium and Cobolt Ferrocyanides with Interstitial Water, W.G.D. Dharmaratna and D.M.W. Daundasekara, Ceylon Journal of Science, Vol. 5, 1998, 49.
  • 97.Effects of Mo6+ Doping on Electrical Conductivity of , W.G.D.Dharmaratna and P.R.T.N. De Silva, Proceedings of 14th Technical Session of IPSL, 1998.
  • 98.Effects of V5+ Doping of on its Electrical Conductivity, Properties, W.G.D.Dharmaratna and P.R.T.N. De Silva, Proceedings of 54th Annual Session of SLAAS, 1998. (Abstract)
  • 99.THE D0 UPGRADE, S. Abachi et al. (D0 Collaboration), FERMILAB-CONF-
  • 95-177-E, Jul 1995. 54pp. Submitted to International Europhysics Conference on
  • High Energy Physics (HEP 95), Brussels, Belgium, 27 Jul - 2 Aug 1995. Published
  • in Nucl. Instrum. Meth. A408, (1998), 103
  • 100.Using Top Quark for Testing QCD Predictions and for Searching new Physics, W.G.D.Dharmaratna, Proceedings of 13th Technical Session of IPSL, 1997.
  • 101.The Influence of Interstitial Water on Electronic Conduction and Activation Energy in Zirconium Ferrocyanides, W.G.D. Dharmaratna and D.M.W. Daaundasekara, Proceedings of 53rd Annual Session of SLAAS, 1997. (Abstract)
  • 102.Single Particle Polarization in QCD Subprocesses, W.G.D.Dharmaratna and G.R. Goldstein, Phy. Rev. D, Vol. 53 (1996), 1073.
  • 103.The Activation of Electronic Conduction in Cobolt Ferrocyanide by Interstitial Water, W.G.D. Dharmaratna and D.M.W. Daundasekera, Proceedings of 52nd Annual Session of SLAAS, 1996. (Abstract)
  • 104.The Random Grid Search: A simple way to find Optimal Cuts, N. Amos, C. Stewart, P. Baht, C. Cretsinger, E.Won, W. Dharmaratna and H.B. Prosper, Prepared for International Conference on Computing in High-energy Physics (CHEP 95), Rio de Janeiro, Brazil, 18-22 Sep 1995.
  • Published in *Rio de Janeiro 1995, Computing in high energy physics '95* 215-219
  • 105.Studies of Topological Distribution of Inclusive Three and Four Jet Events in PCollisions at =1800-GeV with the D0 Detector. S. Abachi et al. (D0 Collaboration), Phys.Rev.D53 (1996), 6000.
  • 106.Top Quark Search with the D0 1992-93 Data Sample, S. Abachi et al. (D0 Collaboration), Fermilab-Pub-95-020-E, Also in Phy. Rev. D, Vol. 52 (1995), 4877.
  • 107.Second Generation Leptoquark Search in PCollisions at = 1.8 TeV, S. Abachi et al. (D0 Collaboration) , HEPEX-9507002, Also in Phy. Rev. Lett., Vol 75 (1995), 3618
  • 108.W and Z Boson Production in PCollisions at = 1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Pub-95-130-E, Also in Phy. Rev. Lett., Vol. 75 (1995), 1456.
  • 109.Study of the Strong Coupling Constant using W + jets Process, S. Abachi et al. (D0 Collaboration), Fermilab-Pub-95-085-E, Also in Phy. Rev. Lett., Vol. 75 (1995), 3226.
  • 110.Transverse Energy Distribution within jets in PCollisions at = 1.8 TeV, S. Abachi et al. (D0 Collaboration) , Phy. Lett. B, 357 (1995), 500.
  • 111.Search for heavy W bosons in 1.8 TeV PCollisions, S. Abachi et al. (D0 Collaboration), Phy. Lett. B, 358 (1995), 405.
  • 112.Lmits on the Anomalous ZZ and Z couplings in PCollision at = 1.8 TeV, S. Abachi et al. (D0 Collaboration), Phys.Rev.Lett.75 (1995), 1028.
  • 113.Rapidity Gaps Between Jets at D0, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-216-E, Also in the Proceedings of the International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium (1995).
  • 114.Measurement of Mixing using Dimuons at D0, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-209-E, Also in the Proceedings of the International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium (1995).
  • 115.Search for new gauge bosons using the D0 Detector, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-210-E, Also in the Proceedings of the International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium (1995).
  • 116.Search for Squarks and Gluinos in PCollisions at D0 Detector, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-193-E, Also in the Proceedings of the International Europhysics Conference on High Energy Physics (HEP 95), Brussels,Belgium (1995).
  • 117.Measurement of the Upsilon Cross-Section at D0 using Dimuons, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-206-E, Also in the Proceedings of the International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium (1995).
  • 118.Inclusive Dimuons and b-quark Production Cross-Section in PCollisions at = 1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-207-E, Also in the Proceedings of the International Europhysics Conference on High Energy Physics (HEP95), Brussels,Belgium (1995).
  • 119.Test of QCD in W and Z Production at Tevatron, S. Abachi et al. (D0 Collaboration),
  • Fermilab-Conf-95-259-E, Also in the Proceedings of the International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium (1995).
  • 120.Search for W Boson Pair Production in P Collisions at = 1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-044-E, Also in Phy. Rev. Lett. 75 (1995), 1023.
  • 121.Measurement of the WW Gauge Boson Couplings in PCollisions at =1.8 TeV. S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-101-E, Also in Phy. Rev. Lett. 75 (1995), 1034.
  • 122.Search for Squarks and Gluinos in P Collisions at =1.8 TeV. S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-057-E, Also in Phy. Rev. Lett. 75 (1995), 618.
  • 123.Inclusive and B-quark Production Cross Sections in PCollisions at =1.8 TeV. S. Abachi et al. (D0 Collaboration), Fermilab-Pub-94-409-E, Also in Phy. Rev. Lett. 74 (1995), 3548.
  • 124.Obserevation of Top Quark, S. Abachi et al. (D0 Collaboration), Fermilab-Pub-95-028-E, Also in Phy. Rev. Lett. 74 (1995), 2632.
  • 125.Search for High Mass Top Quark Production in P Collisions at =1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Pub-94-354-E, Also in Phy. Rev. Lett. 74 (1995), 2422.
  • 126.Rapidity Dependence of the Inclusive J/ Production in P Collisions at =1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-361-E, Nov 1995. 12pp. Int. Symp. On Lepton-Photon Interactions, Beijing, China, Aug 10-15, 1995.
  • 127.Rapidity Correlations Between High (P) Intermediate Vector Bosons and Jets in P Collisions at =1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-218-E, Jul 1995, Presented at International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium, 27 Jul - 2 Aug 1995.
  • 128.Search for Light Top Squarks with the D0 Detector, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-187-E, Jul 1995, Presented at International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium, 27 Jul - 2 Aug 1995.
  • 129.Search for First and Second Generation Leptoquarks at D0, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-184-E, Jul 1995, Presented at International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium, 27 Jul - 2 Aug 1995.
  • 130.Color Coherent Radiation in Multi-Jet Events from P Collisions at =1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-182-E, Jul 1995, Presented at International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium, 27 Jul - 2 Aug 1995.
  • 131.J/ Production in P Collisions at =1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-205-E, Jul 1995, Presented at International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium, 27 Jul - 2 Aug 1995.
  • 132.Studies of Topological Distribution of Inclusive Three and Four Jet Events in PCollisions at =1800-GeV with the D0 Detector. S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-214-E, Jul 1995, Presented at International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium, 27 Jul - 2 Aug 1995.
  • 133.Search for Fourth Generation Neutral Heavy Leptons. S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-254-E, Jul 1995, Presented at International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium, 27 Jul - 2 Aug 1995.
  • 134.Diphoton Production in PCollisions at =1.8-TeV. S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-251-E, Jul 1995. Submitted to LP'95: International Symposium on Lepton Photon Interactions (IHEP), Beijing, P.R. China, 10-15 Aug 1995.
  • 135. Measurement of Inclusive Triple Differential Dijet Cross-Section in PCollisions at =1.8-TeV. S. Abachi et al. (D0 Collaboration), Fermilab-Conf-95-217-E,
  • Jul 1995, International Europhysics Conference on High Energy Physics (HEP 95), Brussels, Belgium, 27 Jul - 2 Aug 1995.
  • 136.The D0 Detector, S. Abachi et al. (D0 Collaboration), Fermilab-Pub-93-179-E, Also in Nucl. Instrum. Meth. A338 (1994), 185.
  • 137.First Generation of Leptoquark Search in P Collision at = 1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Pub-93-340-E, Also in Phy. Rev. Lett. 72 (1994), 965.
  • 138.Rapidity Gaps Between Jets in P Collisions at = 1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Pub-94-005-E, Also in Phy. Rev. Lett. 72 (1994), 2332.
  • 139. Search for the Top Quark in P collisions at = 1.8 TeV, S. Abachi et al. (D0 Collaboration), Fermilab-Pub-94-004-E, Also in Phy. Rev. Lett. 72 (1994), 2138.
  • 140.E823 (D0 upgrade); Magnetic Tracking, S. Abachi et al. (D0 Collaboration), Fermilab-D0-UPGRADE-E-823, 1993.
  • 141.The D0 Showerlibrary-Version 2.0, W.G.D. Dharmaratne, R. Raja, C. Stewart, Pub. D0 Collaboration, D0 Note 1370, May 1993.
  • 142.Reconstruction of the Calorimeter Response-Test Beam Load 2, W.G.D. Dharmaratne, Pub. D0 Collaboration, D0 Note 1731, May 1993.
  • 143.On Stability of Response and Gain Corrections in Load 2 Test Beam Data, W.G.D. Dharmaratna, Pub. D0 Collaboration, D0 Note 1725, May 1993.
  • 144.Design, Construction and Performance of the Electromagnetic module of the D0 end Calorimeter, H. Aihara et al. (D0 Collaboration-Test Beam Group) , Nucl. Instrum. Meth., A 325, (1993), 393.
  • 145.Beam Tests of the D0 Uranium Liquid Argon End Calorimeters, S. Abachi et al. (D0 Collaboration-Test Beam Group), Nucl. Instrum. Meth., A 324, (1993), 53 .
  • 146.Effect of Dead Materials on Calorimeter Response and Monte Carlo Simulation, W.G.D. Dharmaratna, Proceedings of III International Conference on Calorimetry in High Energy Physics, Corpus Christi,Texas, Sep. 1992.
  • 147.CCEM Response Vs - Test Beam Load II, W.G.D. Dharmaratna and Terry Heuring, Pub. D0 Collaboration, D0 Note 1577, Dec. (1992).
  • 148.D0 End Calorimeter Response to Muons and “” ratio-Test Beam Load I, W.G.D. Dharmaratna, M. Goforth, R. Madden and H. Piekarz, Pub. D0 Collaboration, D0 Note 1351, Jan. 1992.
  • 149.Gluon Fusion as a Source for Massive Quark Polarization, W.G.D. Dharmaratna and G.R.Goldstein, Phy. Rev. D, Vol. 41, (1990), 1731.
  • 150.Massive Quark Polarization in Quantum Chromodynamics Subprocesses, W.G.D. Dharmaratna, DOE/ER/40085-18mc(microfiche), Also in UMI-90-21633-mc, (1990).
  • 151.Massive Quark Polarization in QCD Subprocesses, W.G.D. Dharmaratna, G.R.Goldstein and G.A.Ringland, Zeits. f. Phys. C, Vol. 41 (1989),673.
  • 152.Gluon Fusion as a Source for Massive Quark Polarization, W.G.D. Dharmaratna and G.R.Goldstein, Proceedings of 8th international Symposium on High Energy Spin Physics, Univ. of Minnesota, Ed. J.Heller, Sep. (1988), 744.
  • 153.Inclusive reactions with three polarized particles, G.R.Goldstein, W.G.D. Dharmaratna, M.J.Moravcsik and G.A.Ringland, Int'l J. Mod. Phy. A, Vol. 3, No. 8 (1988), 1847.
  • 154.Hyperon Polarization in Inclusive Production Processes, W.G.D. Dharmaratna, G.R.Goldstein and G.A.Ringland, Proceedings of 7th International Symposium on High Energy Spin Physics, Protvino (USSR) Sep. (1986).
  • 155.The Thermal Conductivity of Three Fluorozirconate Glasses, K.A. McCarthy, H.H.Sample and W.G.D. Dharmaratna, J. Non-Crystalline Sol. 64 (1984), 445.
  • 156.Electrical Conductivity Characteristics of Ferric Metavanadate, K. Tennakone and W.G.D. Dharmaratna, J. Phys. D (GB), Vol. 16, No. 5 (1983),855.
  • 157.Semiconductor to Metal Transition in Ferric Molybdate, K.Tennakone and W.G.D. Dharmaratna, J. Natn. Sci. Coun. Sri Lanka, Nov. (1983), 123.
  • 158.Experimental and Theoretical Study of Electronic Conduction in -doped Prussian Blue. K.Tennakone and W.G.D. Dharmaratna, J.Phys. C (GB), Vol. 16, No. 29 (1983), 5633.
  • 159.Conductivity Transition in Ferric Tungstate, K. Tennakone and W.G.D. Dharmaratna, J. Chem. Soc. Faraday Trans. II (GB), Vol.78 (1982), 1699.
  • 160.Stabilization of Cuprous Oxide Photocathode in Aqueous Thiocyanate Solution by Aliphatic Alcohols, K. Tennakone, W.G.D. Dharmaratna and S.C.Jayewardena, J. Chem. Soc. Faraday Trans. I, Vol.78 (1982), 2279.
  • 161.Corrosion Mechanism of Cuprous Oxide/Iodide Solar Electrochemical Cell, K. Tennakone, W.G.D. Dharmaratna and S.C. Jayewardena, Jpn. J. Appl. Phys. Part I (Japan), Vol. 21, No. 1 (1982), 209.
  • 162.Semiconduction in Ammonium Phosphomolybdate, K.Tennakone, W.G.D. Dharmaratna and S.C. Jayewardena, Phys. Status Solidi (a) (Germany), Vol. 69, No. 1 (1982), 129.
  • 163. Electrical Conduction in Lead Bromode, K.Tennakone and W.G.D. Dharmaratna, Phys. Status Solidi (a) (Germany), Vol. 70, No. 1 (1982),5.
  • Position Held
  • 2008 – to date Senior Professor of Physics, Dept. of Physics, Univ. of Ruhuna, Sri Lanka.
  • 2001-2008 Professor of Physics, Dept. of Physics, Univ. of Ruhuna, Sri Lanka.
  • 2004-2005 Visiting Professor, Dept. of Physics, Florida State University, USA.
  • 2000-2001 Professor in Physics
  • 1993-2000 Senior Lecturer, Department of Physics, University of Ruhuna, Matara, Sri Lanka
  • 1990-93 Post-Doctoral Research Associate, Dept. of Physics, University of Florida, USA.
  • 1985-89 Research Assistant, Dept. of Physics & Astronomy, Tufts University, USA.
  • 1984-89(Summer) Faculty Member,Summer School, Tufts University, USA.
  • 1982-85 Teaching Assistant, Dept. of Physics & Astronomy, Tufts University, USA.
  • 1979-90 Assistant Lecturer (on leave from 1982-1990), Department of Physics, University of Ruhuna, Matara, Sri Lanka.
  • 1978-79 Temporary Assistant Lecturer, Department of Physics, University of Peradeniya, Sri Lanka
  • Services to the University
  • 1)Pioneering Dean- Faculty of Technology, University of Ruhuna (Aug. 2016 – Feb 2019)
  • 2)Dean- Faculty of Science, University of Ruhuna (2010- Jul. 2016)
  • 3)Senate Committee, Evaluation of Applications for Emeritus Professor Posts (2011-to date)
  • 4)Management Committee, Distance Education Unit (2012-2016)
  • 5)Senate Nominee to the Council - University of Ruhuna (2007-2010)
  • 6)Director, Graduate Studies-University of Ruhuna (2007-2011) - Established the Faculty of Graduate Studies.
  • 7)Senate Committee Chairman: Higher Degrees By-Law Review Committee (2009- to date)
  • 8)Senate Committee Chairman: University Logo Correction (2009)
  • 9)Senate Committee Chairman: Conduct of University Examinations and Release of Results (2009)
  • 10)Editorial Board – Ruhuna University Journal (ROHANA) (2009-2010)
  • 11)Editor in Chief – Ruhuna Journal of Science (2006- to date)
  • 12)Senate Committee Chairman: External Degree Programme Review (2008)
  • 13)Disciplinary Board – University of Ruhuna (2008)
  • 14)Faculty representative to University Quality Assurance Unit (2008 to 2016)
  • 15)Senate Committee Chairman: Verification of grades for undergraduate examinations (2008)
  • 16)Senate Committee Chairman: Design the format for University Transcripts (2008).
  • 17)Redesigned Degree/Diploma Certificates (2008)
  • 18)Member of the Convocation Committee – Photography and Video (2007 & 2016)
  • 19)Senate Committee Member- Work Norms & Annual Salary Increment for Academics – 2004
  • 20)Senior Treasure-Student Union, Faculty of Science, 2002/2003/2004.
  • 21)Staff development center 2000/2001, Executive Committee Member until 2004
  • 22)Chairman, Organizing Committee, Second Science Symposium, Faculty of Science- 2004
  • 23)Head of the Department – from Sep. 1994 – 2004.
  • 24)Chairman, Staff Development Unit, Faculty of Science – 2003-2004
  • 25)Chairman, Organizing Committee, First Science Symposium, Faculty of Science- 2003
  • 26)Member of the organizing committee, First Academic Sessions, University of Ruhuna, 2003
  • 27)Chairman of the Logistic and Public Services Committee- Silver Jubilee-2003
  • 28)Senate Committee Member- Nonacademic Services Problems- 2002
  • 29)Examination offenses investigation – 1996-1999
  • 30)External Degree - Examination offenses investigation – 1998-2000
  • 31)Establishment of a staff development unit - 1999
  • 32)Member of the Technical Evaluation Committee for Computers- 1998-1999
  • 33)Served in a large number of selection committees for Labourers to Senior Lecturers and Professors. Further more set the question papers for relevant selection examinations.
  • 34)Served in a number of various committees in Faculty of Science (Time-tables and Examination time tables for several (five) years, Course units development, Students Request committee etc.)
  • 35)Member of the Students Disciplinary Board – for a couple of years since 2000
  • 36)Resource Person- CV writing workshop, Carrier Guidance Unit (Oct. 2000)
  • 37)Advisor- Kala Parshadaya, University of Ruhuna, 2000
  • 38)Editorial Board - ROHANA magazine 2000/2001 and 2009-to date
  • 39)Technical evaluation committee for computers- 2000/2001
  • 40)Committee Member – Establishment of the Faculty of Engineering
  • 41)President Ruhuna University Science Teachers Association- from May1997- Aug. 2001
  • 42)Served in a number of Committees appointed by Faculty of Science (Since 1993)
  • 43)Student Counselor – 1980/81 and 1979/80
  • 44)Member of the Sports Advisory Board – 1980/81
  • NATIONAL ACTIVITIES
  • 1)Leading the Sri Lanka – CERN Collaboration – since 2018.
  • Made the presentation to CMS collaboration to obtain the full membership of CMS experiment in 2017.
  • 2)Chaired the Local Organizing Committee, 2nd CERN-South Asian High Energy Physics Instrumentation, Feb 20-21 2019
  • 3)Chairman, NSF Working Committee on Basic Sciences (July 2016 – July 2019)
  • 4)National Committee for Physics Syllabus Review - GCE A/L Examination 2016)
  • 5)Invited Participant- ln-houses Seminars at the National Institute of Fundamental Studies, May 2018 and contribute your expert opinion to further develop and finalize the Basic Science Research Policy- May 2018
  • 6)Committee member – development of the Basic Science Research Policy for Sri Lanka – 2017/2018
  • 7)Committee Member, Establishment of National Science Centre, Sub-Committee “Big Bang to Today”
  • 8)Chairman, Experts Committee, Thrust Area 10: Basic Sciences, Emerging Technologies and Indigenous Knowledge, Ministry of Technology and Research, 2014
  • 9)Board Member, PGIS (2012 – 2016) – Science Standing Committee Nominee to Board of Postgraduate Institute of Science, Peradeniya.
  • 10)Made a significant contribution in introducing High Energy Physics at CERN in Sri Lanka (Since 2006). Produced the first PhD from a Sri Lankan University based on Research at CERN.
  • 11)Served as a Selection Committee member for the post of Professor in Several Universities.
  • 12)Evaluated applications for the post of Professor/Associate Professor in several universities.
  • 13)Member of National Research Council (NRC) Review Committee – 2014
  • 14)Co-controlling Chief Examiner for Physics - GCE/AL Examination –2016
  • 15)Co-controlling Chief Examiner for Physics - GCE/AL Examination –2014
  • 16)Co-controlling Chief Examiner for Physics - GCE/AL Examination –2013.
  • 17)Co-controlling Chief Examiner for Physics - GCE/AL Examination –2011.
  • 18)Co-controlling Chief Examiner for Physics - GCE/AL Examination –2010.
  • 19)National Committee for Physics Syllabus Review - GCE A/L Examination 2011 (appointed in 2009)
  • 20)Teachers Guide preparation committee, GCE A/L Examination 2011 (in 2009/2010)
  • 21) Set sample questions for A/L examination 2011, appointed by Dept. of Examination (2009)
  • 22)Member of the Subject (Physics) Committee of the University Grant Commission (2009)
  • 23)Served as Member of the Subject Review Committee (QAAC) for the review of Dept. of Physical Science, South Eastern University (2009)
  • 24)Organized the Sri Lankan Astronomy and Astrophysics Olympiad Competition- 2009 at the Department of Physics, University of Ruhuna, organized by the Institute of Physics, Sri Lanka.
  • 25)Organized the Sri Lankan Junior Science Olympiad Competition- 2009 at the Department of Physics, University of Ruhuna, organized by the Institute of Physics, Sri Lanka.
  • 26)Organized the Sri Lankan Physics Olympiad Competition- 2009 at the Department of Physics, University of Ruhuna, organized by the Institute of Physics, Sri Lanka.
  • 27)Organized a preliminary round of the Interschool quiz competition – 2009 at the Department of Physics, which is an activity of the International Association of Lions Clubs.
  • 28)Member of the Coordinating Committee, Sri Lanka Institute of Tourism & Hotel Management, 2009
  • 29)Member of the Editorial Board – IPSL Journal of Physics (since 1999)
  • 30)Co-controlling Chief Examiner for Physics - GCE/AL Examination –2008.
  • 31)Served in the panel of setters for A/L Physics Examination- 2008.
  • 32)Served as a referee to Annual Research Symposium –2008, University of Kelaniya.
  • 33)Served as a member of the Board of Consultants – Physics Syllabus for year 10-13. Appointed by NIE, 2008
  • 34)Organized the Sri Lankan Astronomy and Astrophysics Olympiad Competition- 2008 at the Department of Physics, University of Ruhuna, organized by the Institute of Physics, Sri Lanka.
  • 35)Organized the Sri Lankan Junior Science Olympiad Competition- 2008 at the Department of Physics, University of Ruhuna, organized by the Institute of Physics, Sri Lanka.
  • 36)Organized the Sri Lankan Physics Olympiad Competition- 2008 at the Department of Physics, University of Ruhuna, organized by the Institute of Physics, Sri Lanka.
  • 37)Organized a preliminary round of the Interschool quiz competition – 2008 at the Department of Physics, which is an activity of the International Association of Lions Clubs.
  • 38)Member of the Advisory Board – Physics Syllabus for year 10-13. Appointed by NIE. (2007)
  • 39)Organized the Sri Lankan Astronomy and Astrophysics Olympiad Competition- 2007 at the Department of Physics, University of Ruhuna, organized by the Institute of Physics, Sri Lanka.
  • 40)Organized the Sri Lankan Physics Olympiad Competition- 2007 at the Department of Physics, University of Ruhuna, organized by the Institute of Physics, Sri Lanka.
  • 41)Organized a preliminary round of the Interschool quiz competition – 2007 at the Department of Physics, which is an activity of the International Association of Lions Clubs.
  • 42)Co-controlling Chief Examiner for Physics - GCE/AL Examination –2007.
  • 43)Served in the panel of setters for A/L Physics Examination- 2007.
  • 44)Co-controlling Chief Examiner for Physics - GCE/AL Examination –2006.
  • 45)Served in the panel of setters for A/L Physics Examination- 2006.
  • 46)Co-controlling Chief Examiner for Physics - GCE/AL Examination –2004.
  • 47)Served in the panel of setters for A/L Physics Examination- 2004.
  • 48)Co-controlling Chief Examiner for Physics - GCE/AL Examination –2003.
  • 49)Served in the panel of setters for A/L Physics Examination- 2003.
  • 50)Have served as an External Examiner for M. Phil./Ph.D. Degree in Physics in University of Colombo, University of Kelaniya, University of Peradeniya (PGIS).
  • 51)Served as a Reviewer for Initial Proposals for QEF (7-proposals).
  • 52)Served as a Reviewer for evaluation of QEF Split Proposals (2-proposals)
  • 53)Committee Member – SLAAS Section E1, year 2000.
  • 54)Council Member – Institute of Physics, Sri Lanka, year 2000.
  • 55)Served in the Organizing Committee for the 5th Workshop on Low Cost Electronic Materials, Solar Cells and Applications of Renewable Energy Sources, Jan. 2001
  • 56)Have served as referees for Journal/Conferences in other Universities and NSF.
  • 57)Have evaluated applications for Professor of Physics in other Universities.
  • 58)Have served as a UGC nominee for selection committees in other Universities.
  • 59) Organized several Workshops in the Department of Physic for Advanced Level Physics Teachers in Southern Province. Also, served as a resource person.
  • 60)Served as a Visiting Lecturer- University of Sabaragamuwa-1999
  • 61)Visiting Lecture (Solid State Chemistry)-Institute of Chemistry, 2000-2004.
  • 62)Served in the Organizing Committee for the 5th Workshop on Low Cost Electronic Materials, Solar Cells and Applications of Renewable Energy Sources. Jan. 2000
  • 63)GCE A/L Technology Curriculum Review Committee, NIE, 1998.
  • 64)Served as a Referee, IPSL Journal of Physics, 1999/2000
  • 65)Served in the organizing committee for the workshop on Graduate Unemployment organized by RUSTA, Matara, 1996.