Refereed
Publications
Conferences
(Foreign)
Conferences
(Local)
Refereed
Publications:
1. Some properties of gridded wire chamber for X-ray
detection. T.R. Ariyartne, J.M Breare and R.J Stubs;
Nucl. Instr. And Meth. 152 (1978) 579.
2. Study of multiwire proportional counter as a high-count
rate X-ray detector. S.Al-dargazlli, T.R. Ariyaratne,
J.M. Breare, B.C. Nandi and M. Varrelles; Nucl. Instr.
And Meth. 156 (1978) 63.
3. A study of a gas scintillation multiwire proportional
counter. S. Al-dargazelli, T.R. Ariyaratne, J.M.Breare
and B.C. Nandi; J.Phys.D Appl.Phys. 11 (1978)1773
4. Measurment of the drift velocity of electrons in
an Argon-Nitrogen mixture. S. Al-dargazelli, T.R. Ariyaratne,
J.M.Breare and B.C. Nandi; Nucl. And Instr. And Meth
176 (1980) 579
5. Charge and light gain measurements in Argon-Nitrogen
mixture using a gas scintillation proportional counter.
S. Al-dargazelli, T.R. Ariyaratne, J.M. Breare and B.C.
Nandi; Nucl. Instr. and Meth 180 (1981) 497.
6. Study of gas scintillation drift counter as high
rate X-ray detector. S. Al-dargazelli, T.R. Ariyaratne,
J.M. Breare and B.C. Nandi; Nucl. Instr. and Meth 200
(1982) 341.
7. On the upper mass limit of secondary ions ejected
in electronic sputtering from organic solids. B.U.R.
Sundqvist, T.R. Ariyaratne, W.Ens, D.Fenyo, A.Hadin,
P Hakansson, G.Jonsson and S Widdiyasekara. Proc Ion
Formation rom Organic Solids (IFOS IV) Munster Sep 21.23,
Ed: Abenninghoven, John Wiley & Sons 1989 p 51
8. Fast heavy ion induced photon emission from organic
solids and plasma desorption mass spectrometry. T.R.Ariyaratne,
D.D.N.B.Daya, P. Hakansson and B.U.R. Sundqvist; Int.
J.Mass Spect. Ion Proc. 152 (1996) 31.
9. Weighing Giant Biomolecules, T. R. Ariyaratne. Presidential
Address, SLASS, Section E-1 (1996)
10. 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.
11. 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.
12. C.K.G. Piyadasa, P. Håkansson, T.R. Ariyaratne
and D.F. Barofsky,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) 1655
13. I. M. K. Fernando, D.U.J. Sonnadara, K.P.S.C. Jayaratne,
T.R. Ariyaratne, S. Namasivayam and K.R.A. Bandara,
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.
14. 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
15. C.K.G.Piyadasa, P Håkansson and T.R.Ariyaratne.
A high resolving power multiple reflection Matrix-assisted
Laser Desorption/Ionization time-of-flight mass spectrometer,
Rapid Commun. Mass Spectrom., 13, 620 (1999).
16. 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) 11
17. Physics Education in Sri Lanka – Presidential
Address-17th Technical Session, Inst. of Phyiscs, Sri
Lanka, (March -2001)77
18.
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.
19.
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.
Back to top
Conferences
(Foreign)
1. Alkali halide cluster ion desorption in MeV atomic
ion Impacts. T.R.Ariyaratne, D.D.N.B.Daya,G.Brinkmalm,
P.A.Demirev, J Eriksson, P.Hakansson, R.Papaleo and
B.U.R. Sundqvist; 13th International Mass Spectrometry
Conference 29 Aug.- 02 Sept. Budapest Hungary, Book
of Abstracts, E9 (1994) 155.
2. Ion induced photon emission from solid surfaces.
T.R.Ariyaratne, D.D.N.B.Daya, P. Hakansson and B.U.R.
Sundqvist: IISC 11th international workshop on inelastic
Ion Surface Collisions Sept. 22-27, 1996 Wangerooge,
Germany. Book of Abstract page 3.
3. 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.
4. C.K.G.Piyadasa, P.Hakansson, T.R.Ariyaratne, and
D.F.Barofsky, A high resolving power ion –selector
for tandem time-of-flight mass spectrometry. Desorption-98
Book of Abstracts, 1998.
5. 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
6. 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
Back to top
Conferences
(Local)
1. A molecular desorption time-of –flight mass
spectrometer. T.R.Ariyaratne and s. Viddiyasekara; Proc.
Sri Lanka. Asso.Adv.Sci. E9 (1986) 153.
2. An investigation of the samples produced by the electrospray
technique in molecular desorption mass spectrometry.
D.U.J. Sonnadara and T.R. Ariyaratne; Proc. Sri Lanka
Assoc. Adc.Sci. E10 (1986) 153.
3. Measurement of insolation at Colombo, and investigation
of its relation with humidity. W.M.K.P. Wijayaratne,
K.T.L.De Silva and T.R.Ariyaratne; Proc. Sri Lakna Assoc.
Adv. Sci. E44 (1986) 176.
4. Applications of Californium – 252 Plasma Desorption
Mass spectrometry to natural product chemistry. T.R.
Ariyartne, D.D.N.B. Daya, G.M.U.W.Doloswala, J.A.D.C.Kumudinie
and S. Widdiyasekara; Proc. Sri Lanka Assoc. Adc. Sci.
E1 (1990) 17.
5. Investigation of Cooling effect in porous clay pots.
J.P.Wansapura and T.R.Ariyaratne; proc.Sri Lanka Assoc.
Adv. Sci. E1-07 (1991)129.
6. Resolution vs. ion yield study on the first Cf-252
plasma desorption mass spectrometer in Sri Lanka. D.D.N.B.Daya,
U.K.Abeywrna, T.R.Aryaratne, and C.K.G.Piyadasa; Proc.
Sri Lanka Assoc. adv. Sci. E-17 (1993) 196.
7. 252-Cf plasma desorption mass spectra of penicillins
and the stabilization of molecular ions by cationisation.
R.V.Coorey, U.K.Abeywarna, T.R.Ariyaratne, D.D.N.B.Daya
and C.K.G.Piyadasa; Proc. Sri Lanka Assoc. Adc.Sci.
E-16 (1993) 197.
8. 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.
9. Performance of an electrostatic lens (Einzel lens)
as an ion manoeuvring device in a time-of-flight Massw
spectrometer. C.K.G.Piadasa, 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. E1-07 (1995) 343.
10. Effect of residual gas pressure on the mass resolution
and the molecular ion yield of a time-of-flight mass
spectrometer. C.K.G.Piyadasa, T.R.Ariyaratne and W.M.K.P.Wijeratne;
proc. Sri Lanka Assoc Adc Sci. E1-17, (1996) 171.
11. Performance of a low cost second order electrostatic
ion mirror for a time-of flight plasma desorption mass
spectrometer. C.K.G.Piyadasa, T.R.Ariyaratne and W.M.K.P.Wijayaratne;
Proc. Sri Lanka Assoc. Adv. Sci.E1-16 (1996) 170.
12. Peptide sequence information by partial acid hydrolysis:
an analysis by Matrix Assisted Laser Desorption/ Ionization.
R.V.Coorey, P. Hakansson, R.A.Zubarev and T.R.Ariyaratne,
Proc. Sri Lanka Assoc. Adv. Sci. E2-11 (1996) 184.
13. Performance of new two-way ion production facility
constructed for a plasma desorption mass spectrometer.
D.D.N.B.Daya, U.K.Abeywarna, T.R.Ariyaratne, R.V.Cooray,
C.K.G.Piyadasa and W.M.K.P.Wijararatne Proc. Sri Lanka.
Assoc. Adv. Sci. E1-18 (1996) 171.
14. An Investigation on the applicability of plasma
desorption mass spectrometry in the study of natural
products, D.D.N.B.Daya, U.K.Abeywarna, T.R.Ariyaratne,
R.V.Cooray, C.K.G.Piyadasa, W.M.K.P.Wijayaratna, and
M.S.B.Mohottalage Proc. Of SLAAS 53rd Annual Session
Part. 1 (1997) E2-38,362.
15. A.D. Perera and T.R. Ariyaratne, Measurement of
chalk-dust concentrations in class room environments.
SLAAS, 54th Annual Session, Book of Abstracts, E1-13
(1998) 239.(30)
16. D.D.N. Barlo Daya, A.M.S.M. Nugegoda, T.R. Ariyaratne,
W.I.N. de Silva and S. Hewage, 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
17. I.M.K. Fernando, D.U.J. Sonnadara, K.P.S.C. Jayaratne,
S. Namasivayam and T.R. Ariyaratne, Preliminary results
of implementing an automated system in Sri Lanka to
locate lighting ground flashes, SLAAS, Proc. 54th Annual
Session, SriLanka (December 1998) 247.
18. A.M.S.M.Nugegoda, T.R.Ariyaratne, and Dr. D.D.N.B.Daya,
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.
19. S.A.Dahanayake, D.D..N.B.Daya, M.S.B.Mohottalage,
and T.R.Ariyaratne, 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.
20. D.U.J. Sonnadara, I.M.K. Fernando, S. Namasivayam,
T.R. Ariyaratne, K.P.S.C.Jayaratne and K.R.A. Bandara,
The role of site selection on localizing ground flashes
in an automated lighting detection network, IPSL, Proc.
15th Technical Session, Sri Lanka (1999).
21. A.B. Weerasekera, I.M.K. Fernando, D.U.J. Sonnadara,
R. Lelwala, K.P.S.C. Jayaratne, S. Namasivayam, K.R.A.
Bandara, C. Gomes, T.R. Ariyaratna, Some features of
lightning ground flash activities observed in tropical
thunderstorms, SLAAS, Proc. 55th Annual Session, Sri
Lanka E1 (1999) 186.
22. D.U.J. Sonnadara, I.M.K. Fernando, S. Namasivayam,
K.P.S.C. Jayaratne, K.R.A. Bandara, R. Lelwala, A.B.
Weerasekera, C. Gomes, T.R. Ariyaratne, 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.
23. 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.
24. 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
25. 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
26.
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.
27.
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.
28.
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).
29.
Use of Z-Scores for the admission to Sri Lanka Universities,
IPSL Proc. 18th Technical Session, Sri Lanka (2002).
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