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Dr P A Aloy Perera, BSc (Colombo), MA, PhD (Rochester), CPhys, MIP (SL)

	Designation	:	Senior Lecturer - Grade I
	Spcialized Field	:	Experimental Nuclear Physics
	Mailing Address	:	Department of Physics, University of Kelaniya, Kelaniya 11600, Sri Lanka
	Telephone	:	(+94) (0)11 2903347 (Office) (+94) (0)11 2938209 (Residence)
	Email	:	perera@kln.ac.lk

Research Interests

• Heavy-Ion Nuclear Reactions


• Nuclear Instrumentation


• Nuclear reactions of Astrophysical Importance


• Solar energy storage with solar ponds

Publications

1. Z Elekes, Zs Dombrádi, N Aoi, S Bishop, Zs Fülöp, J Gibelin, T Gomi, Y Hashimoto, N Imai, N Iwasa, H Iwasaki, G Kalinka, Y Kondo, AA Korsheninnikov, K Kurita, M Kurokawa, N Matsui, T Motobayashi, T Nakamura, T Nakao, E Yu Nikolskii, TK Ohnishi, T Okumura, S Ota, PAA Perera, A Saito, H Sakurai, Y Satou, D Sohler, Search for neutron decoupling in ²²O via the (d,d' gamma) reaction,Physical Review C Nuclear Physics 74, pp. 7306 (2006)


2. Z Elekes, Zs Dombrádi, S Bishop, Zs Fülöp, J Gibelin, T Gomi, Y Hashimoto, N Imai, N Iwasa, H Iwasaki, G Kalinka, Y Kondo, AA Korsheninnikov, K Kurita, M Kurokawa, N Matsui, T Motobayashi, T Nakamura, T Nakao, E Yu Nikolskii, TK Ohnishi, T Okumura, S Ota, PAA Perera, A Saito, H Sakurai, Y Satou, D Sohler, T Sumikama,Testing of the RIKEN-ATOMKI CsI(Tl) array in the study of ^22,23O nuclear structure, European Physical Journal A direct (e) Supplement 27, pp. 321 (2006)


3. MA Punyasena, CD Amarasekara, JRP Jayakody, PAA Perera, P Ehamparam, An Investigation of Rain and Wind Effects on Thermal Stability of Large-Area Saltpan Solar Ponds. Solar Energy 74, pp. 447-451 (2003)


4. JRP Jayakody, PAA Perera, MA Punyasena, CD Amarasekara, MAS Kumarasinghe, Construction of a Large Area solar Pond for the Harnessing of Solar Energy,Proc. Annual Research Symp. 2002, University of Kelaniya (2002)


5. PAA Perera , CD Amarasekara, JRP Jayakody, MA Punyasena, Daytime Variation of Temperature and Salinity Profiles in Large-Area Saltpan Solar Ponds at Palavi, Sri Lanka, Proc. 18^th Tech. Sess. Inst. Phys., Sri Lanka (2002)


6. MA Punyasena, CD Amarasekara, JRP Jayakody, PAA Perera, A Study of Wind Effects on Thermal Stability of Salt Pan Solar Ponds,Proc. Annual Research Symp. 2001, University of Kelaniya (2001)


7. PAA Perera, CD Amarasekara, JRP Jayakody, MA Punyasena, A Study of Daytime Variation of Convective and Non-Convective Zones in Salt Pan Solar Ponds,Proc. Annual Research Symp. 2001, University of Kelaniya (2001)


8. I Ahmad, SM Austin, BB Back, RR Betts, FP Calaprice, KC Chan, AA Chishti, C Conner, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, AL Hallin, T Happ, D Henderson, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, A Young and JE Yurkon, Positron - Electron Pairs Produced in Heavy-Ion Collisions. Phys. Rev. C6006, pp. 4601(1999)


9. I Ahmad, SM Austin, BB Back, RR Betts, FP Calaprice, KC Chan, AA Chishti, P Chowdhury, C Conner, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, AL Hallin, T Happ, D Henderson, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, A Young and JE Yurkon, The Positron-Electron Peak Puzzle - Results from APEX. Z. Phys. A358, pp. 235 (1997)


10. I Ahmad, SM Austin, BB Back, RR Betts, FP Calaprice, KC Chan, AA Chishti, C Conner, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, AL Hallin, T Happ, D Henderson, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, G Xu, A Young and JE Yurkon, Search for Monoenergetic Positron Emission from Heavy-Ion Collisions at Coulomb-Barrier Energies. Phys. Rev. Lett. 78, pp. 618 (1997)


11. I Ahmad, SM Austin, BB Back, RR Betts, FP Calaprice, KC Chan, AA Chishti, C Conner, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, JS Greenberg, AL Hallin, T Happ, D Henderson, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, G Xu, A Young and JE Yurkon, Internal Pair Conversion in Heavy-Nuclei. Phys. Rev. C55, pp. R2755 (1997)


12. I Ahmad, SM Austin, BB Back, RR Betts, FP Calaprice, KC Chan, AA Chishti, P Chowdhury, C Conner, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, JP Greene, JS Greenberg, AL Hallin, Th Happ, D Henderson, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, G Xu, AR Young and JE Yurkon, APEX and the e+/e- Puzzle: Recent Results, Proc. 12^th Winter Wkshp on Nuclear Dynamics, Snowbird (1996)


13. I Ahmad, SM Austin, BB Back, RR Betts, FP Calaprice, KC Chan, AA Chishti, P Chowdhury, C Conner, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, JS Greenberg, JP Greene, AL Hallin, T Happ, D Henderson, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, G Xu, A Young and JE Yurkon, A Solenoidal Spectrometer for Positron-Electron Pairs Produced in Heavy-Ion Collisions. Nucl. Instrum. Methods A370, 539 (1996)


14. I Ahmad, SM Austin, BB Back, RR Betts, FP Calaprice, KC Chan, AA Chishti, P Chowdhury, C Conner, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, AL Hallin, T Happ, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, A Young and JE Yurkon, The Positron Peak Puzzle - Recent Results from APEX. Acta Physica Polonica B27, pp. 387 (1995)


15. I Ahmad, SM Austin, BB Back, RR Betts, FP Calaprice, KC Chan, AA Chishti, P Chowdhury, C Conner, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, AL Hallin, Th Happ, D Henderson, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, G Xu, AR Young and JE Yurkon, A New Look at Positron Production from Heavy-Ion Collisions: Results from APEX. Proc. Weak and Electromagnetic Interactions in Nuclei' 95 Conference, Osaka (1995), ed. by H Ejiri, T Kishimoto and T Sato (World Scientific, Singapore) pp. 629 (1995)


16. I Ahmad, SM Austin, BB Back, RR Betts, FP Calaprice, KC Chan, AA Chishti, P Chowdhury, C Conner, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, AL Hallin, T Happ, D Henderson, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, G Xu, A Young and JE Yurkon, Search for Narrow Sum-Energy Lines in Electron-Positron Pair Emission from Heavy-Ion Collisions near the Coulomb Barrier. Phys. Rev. Lett. 75, pp.2658 (1995)


17. DM Herrick, FLH Wolfs, DC Bryan, CG Freeman, KL Kurz, DH Mathews, PAA Perera and MT Zanni, Elastic-Scattering and Quasi-Elastic Transfer for S-32 + Mo-96, Mo-100 at E(Lab) = 180 MeV. Phys. Rev. C52, pp. 744 (1995)


18. I Ahmad, SM Austin, BB Back, D Bazin, RR Betts, FP Calaprice, KC Chan, AA Chishti, P Chowdhury, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, JS Greenberg, SB Gazes, AL Hallin, T Happ, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, G Xu, A Young and JE Yurkon, Positron Production in Heavy-Ion Collisions - Current Status of the Problem, Nuclear Physics A583, pp. c247 (1995)


19. CG Freeman, DM Herrick, DC Bryan, KL Kurz, DH Mathews, PAA Perera, FLH Wolfs and MT Zanni, New Focal Plane Detector System for the Rochester Recoil Mass Spectrometer, Nucl. Instrum. Methods A357, pp. 450 (1995)


20. PAA Perera, A Search for Peak Structures in the Positron-Electron Sum-Energy Spectra for the²³⁸U + ¹⁸¹Ta System at 6.3, 6.1 and 5.95 MeV/u s, PhD Thesis, Department of Physics, University of Rochester, USA (1995)


21. I Ahmad, SM Austin, BB Back, D Bazin, RR Betts, FP Calaprice, KC Chan, AA Chishti, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, JS Greenberg, AL Hallin, Th Happ, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, AR Young, G Xu and JE Yurkon, Recent Results from APEX, Proc. Conference on Physics from Large Gamma-ray Detector Arrays, Berkeley, pp. 125 (1994)


22. PR Wilt, RR Betts, M Freer, Th Happ, MR Maier, PAA Perera, MD Rhein, M Robertson, D Sowinski, FLH Wolfs and AH Wuosmaa, Electronics for the Si Detectors in APEX, Proceedings of the Fourth Annual Electronics for Future Colliders Conference, Chesnut Ridge (1994)


23. I Ahmad, SM Austin, BB Back, D Bazin, RR Betts, FP Calaprice, KC Chan, AA Chishti, RW Dunford, JD Fox, SJ Freedman, M Freer, SB Gazes, JS Greenberg, AL Hallin, T Happ, NI Kaloskamis, E Kashy, W Kutschera, J Last, CJ Lister, M Liu, MR Maier, DJ Mercer, D Mikolas, PAA Perera, MD Rhein, DE Roa, JP Schiffer, TA Trainor, P Wilt, JS Winfield, M Wolanski, FLH Wolfs, AH Wuosmaa, G Xu, AR Young and JE Yurkon, The Atlas Positron Experiment-APEX, Proceedings of the 10^th Winter Wkshp on Nuclear Dynamics (Snowbird, 1994), ed. by J Harris, A Mignerey and W Bauer (World Scientific, Singapore) 47 (1994)


24. FLH Wolfs, CA White, DC Bryan, CG Freeman, DM Herrick, KL Kurz, DH Mathews, PAA Perera and MT Zanni, Breakup of 87 MeV ¹¹B, Phys. Rev.C49, pp. 2538 (1994)


25. MR Maier, PAA Perera, M Robertson and FLH Wolfs, The Sixteen Channel APEX Constant Fraction Discriminator, Nucl. Instrum. Methods A337, pp. 526 (1994)


26. SB Gazes, PAA Perera and FLH Wolfs, FERA Readout System for APEX, Nucl. Instrum. Methods A337, pp. 174 (1993)


27. FLH Wolfs, DC Bryan, KL Kurz, DM Herrick, PAA Perera and CA White, Segmented Focal-Plane Detector for Light and Heavy Ions, Nucl. Instrum. Methods A317, pp. 221 (1992)