Prof. T R Ariyaratne
Department of Physics
Publications
Performance of the newly constructed linear time-of flight plasma desorption mass spectrometer
Performance of the newly constructed linear time-of flight plasma desorption mass spectrometer. C.K.G.Piyadasa, U.K.Abeywarna, T.R.Ariyaratne, R.V.Coorey. D.D.N.B.Daya and W.M.K.P. Wijeratne; Proc. Sri Lanka Assoc. Adv. Sci. E1-06 (1005) 341
Use of Z-Scores for the admission to Sri Lanka Universities
Use of Z-Scores for the admission to Sri Lanka Universities, IPSL Proc. 18th Technical Session, Sri Lanka (2002). Back to top
Some properties of Lighting ground flashes observed in and around Sri Lanka, and their seasonal variations
Some properties of Lighting ground flashes observed in and around Sri Lanka, and their seasonal variations, J. P. Liyanage, D. U. J. Sonnadara, I. M. K. Fernando, A. B. Weerasekara and T. R. Ariyaratne, Sri Lanka J. of Physics 3(2002) 77-88
Improved performance of a linear mode plasma desorption time-of-flight massspectrometer with an electrostatic wire guide
Improved performance of a linear mode plasma desorption time-of-flight massspectrometer with an electrostatic wire guide , IPSL Proc. 18th Technical Sessions Sri Lanka (2002).
Scintillating properties of the amino acid of tryptophan, A. M. S. M. Nugegoda, T. R. Ariyaratne and D. D. N. B. Daya, SLAAS Proc. 58th Annual Sessions, Sri Lanka.
Physics Education in Sri Lanka – Presidential Address-17th Technical Session, Inst. of Phyiscs, Sri Lanka, (March -2001)77
Measurement of lighting peak currents in the first return stroke negative cloud-to-ground flashes
Measurement of lighting peak currents in the first return stroke negative cloud-to-ground flashes, A.B. Weerasekara, D. U. J. Sonnadara, I. M. K. Fernando, J. P. Liyanage, R. Lelwala and T. R. Ariyaratne, Singapore J. of Physics, 17(2001) 37-45
Ion and UV photon induced fluorescence from di-peptides, A. M. S. M. Nugegoda, T. R. Ariyaratne and D. D. N. B. Daya, SLAAS Proc. 58th Annual Sessions, Sri Lanka.
Scintillating properties of amino acids excited by 252Cf fission fragments
Scintillating properties of amino acids excited by 252Cf fission fragments, A.M.S.M. Nugegoda, .T.R. Ariyaratne and D.D.N. Barlo Daya, Proceedings (Abstracts), Desorption -2000, St.Malo, France (2000)-P37
Quick detection of active compounds in crude extracts of selected plants using plasma desorption mass spectrometry (PDMS)
Quick detection of active compounds in crude extracts of selected plants using plasma desorption mass spectrometry (PDMS) S.A. Dahanayaka, D.D.N. Barlo Daya, S.B. Mohottalage, G.A.S. Premakumara and T.R. Ariyaratne, Proceedings (Abstracts), Desorption -2000, St.malo, France (2000)-P46
Plasma desorption mass spectrometry (PDMS) of plant extracts and its potential application in quantitative estimations
Plasma desorption mass spectrometry (PDMS) of plant extracts and its potential application in quantitative estimations, S.A. Dahanayaka, D.D.N. Barlo Daya, M.S.B. Mohottalage, G.A.S. Premakumara, and T.R. Ariyaratne, Abstracts, Annual Session, Faculty of Science, University of Colombo, Vol.1(2000)10
Plasma desorption mass spectrometry (PDMS) of crude extracts of selected medicinal plants
Plasma desorption mass spectrometry (PDMS) of crude extracts of selected medicinal plants, S.A. Dahanayaka, D.D.N. Barlo Daya, G.A.S. Premakumara and T.R. Ariyaratne, Proceedings of the 56th Annual Session of SLAAS (Part 1-Abstracts) E2(2000)238.
Locating cloud to ground lightning flashes with simultaneous two station measurements
Locating cloud to ground lightning flashes with simultaneous two station measurements. D.U. J .Sonnadara, A. B. Weerasekara, I. M. K. Fernando, R. Lelwala, K. P. S. C. Jayaratne, T. R. Ariyaratne, S. Namasivayam, and K. R. A.B andara, Sri Lankan Journal of Physics-Vol 1 ( 2000-March) 1
Instrumental development in time of flight technique, G. Piyadasa and T.R. Ariyaratne, Proceedings, 16th Technical Session, Inst. of Phyiscs, Sri Lanka, (March -2000)50
Fast heavy ion induced photon emission from solid surfaces and its applications in plasma desorption mass spectrometry
Fast heavy ion induced photon emission from solid surfaces and its applications in plasma desorption mass spectrometry. T.R.Ariyaratne, D.D.N.B.Daya, P. Hakansson and B.U.R. Sundqvist; Desorption 96. Mass spectrometry of Large Organic Ions by Electrospary, Particle and Photon induced Desorption Ionization, Sept. 18-21 Bornholm, Denmark.
Construction of a matrix assisted laser desorption/iionisation time-of-flight mass spectrometer
Construction of a matrix assisted laser desorption/iionisation time-of-flight mass spectrometer, R.V. Coorey, T.R. Ariyaratne, D.D.N.Barlo Daya and W.M.K.P. Wijayaratna, Sri Lankan Journal of Physics-Vol 1 ( 2000-March) 33
The role of site selection on localizing ground flashes in an automated lighting detection network
The role of site selection on localizing ground flashes in an automated lighting detection network, IPSL, Proc. 15th Technical Session, Sri Lanka (1999).
Some features of lightning ground flash activities observed in tropical thunderstorms
Some features of lightning ground flash activities observed in tropical thunderstorms, SLAAS, Proc. 55th Annual Session, Sri Lanka E1 (1999) 186
Plasma Desorption Mass Spectrometry (PDMS) of crude extracts of medicinal plants
Plasma Desorption Mass Spectrometry (PDMS) of crude extracts of medicinal plants. Proceedings of the 55th Annual Sessions of Sri Lanka Association for theAdvancement of Science (SLAAS), E2 (1999) 224
on the accuracy of locating lightning ground flashes using two or more direction finding stations
on the accuracy of locating lightning ground flashes using two or more direction finding stations, SLAAS, Proc. 55th Annual Session, Sri Lanka E1 (1999) 187.
Characterisation of Fast Heavy Ion Induced photon emission from L-amino acids
Characterisation of Fast Heavy Ion Induced photon emission from L-amino acids, Proceedings of the Annual Session of Sri Lanka Association for the advancement of Science(SLAAS), E1 (1999) 200.
A high resolving power multiple reflection Matrix-assisted Laser Desorption/Ionization time-of-flight mass spectrometer
A high resolving power multiple reflection Matrix-assisted Laser Desorption/Ionization time-of-flight mass spectrometer, Rapid Commun. Mass Spectrom., 13, 620 (1999).
Study of the performance of direction finding station prior to the implementation of a Lightning Locating System in Sri Lanka
Study of the performance of direction finding station prior to the implementation of a Lightning Locating System in Sri Lanka, Ceylon Journal of Science: Physical Sciences,05 (1998) 65
Preliminary results of implementing an automated system in Sri Lanka to locate lighting ground flashes
Preliminary results of implementing an automated system in Sri Lanka to locate lighting ground flashes, SLAAS, Proc. 54th Annual Session, SriLanka (December 1998) 247.
Measurement of chalk-dust concentrations in class room environments
Measurement of chalk-dust concentrations in class room environments. SLAAS, 54th Annual Session, Book of Abstracts, E1-13 (1998) 239.(30)
Application of plasma desorption mass spectrometry in the study of Schiff base metal complexes
Application of plasma desorption mass spectrometry in the study of Schiff base metal complexes, SLAAS, 54th Annual Session, Book of Abstracts, E2-15 (1998) 286
A high resolving power ion selector for post source decay measurements in a reflecting time-of-flight mass spectrometer Rapid Communications in MassSpectrometry 12
A high resolving power ion selector for post source decay measurements in a reflecting time-of-flight mass spectrometer Rapid Communications in MassSpectrometry 12 (1998) 165
A high resolving power ion –selector for tandem time-of-flight mass spectrometry
A high resolving power ion –selector for tandem time-of-flight mass spectrometry. Desorption-98 Book of Abstracts, 1998.
Kinetic Energy measurements of ions emitted from alkali halides and their mixtures in 252 Cf plasma desorption mass spectrometry
Kinetic Energy measurements of ions emitted from alkali halides and their mixtures in 252 Cf plasma desorption mass spectrometry, U.K.Abeywarna, R.A.Zubarev, P.Hakansson and T.R.Ariyaratne, Ceylon Journal of Science. 4 (1) (1997) 1.
Construction of a keV pulsed ion source and the measurement of damage cross sections for keV ion induced sputtering from solid targets
Construction of a keV pulsed ion source and the measurement of damage cross sections for keV ion induced sputtering from solid targets, D.D.N.Barlo Daya, T.R.Ariyaratne, P.Hakansson, B.U.R.Sandqvist, and W.Ens. Ceylon Journal of Science, Physical Sciences. 4 (1) (1997) 23