Spectral modeling of scintillator for the NEMO-3 and SuperNEMO detectors

J. Argyriades,R. Arnold,C. Augier,J. Baker,A.S. Barabash,M. Bongrand,G. Broudin-Bay,V.B. Brudanin,A.J. Caffrey,S. Cebrián,A. Chapon,E. Chauveau, Th. Dafni,Z. Daraktchieva,J. Díaz,D. Durand,V.G. Egorov,J.J. Evans,N. Fatemi-Ghomi,R. Flack,A. Basharina-Freshville,K.-I. Fushimi,X. Garrido,H. Gómez,B. Guillon,A. Holin,K. Holý,J.J. Horkley,Ph. Hubert,C. Hugon,F.J. Iguaz,I.G. Irastorza,N. Ishihara,C.M. Jackson,S. Jullian,S. Kanamaru,M. Kauer,O.I. Kochetov,S.I. Konovalov,V.E. Kovalenko,D. Lalanne,K. Lang,Y. Lemière,G. Lutter,G. Luzón,F. Mamedov,Ch. Marquet,J. Martin-Albo,F. Mauger,F. Monrabal,A. Nachab,I. Nasteva,I.B. Nemchenok, C.H. Nguyen,F. Nova,P. Novella,H. Ohsumi,R.B. Pahlka,F. Perrot,F. Piquemal,P.P. Povinec,B. Richards,J.S. Ricol,C.L. Riddle,A. Rodriguez,R. Saakyan,X. Sarazin,J.K. Sedgbeer,L. Serra,L. Simard,F. Šimkovic,Yu.A. Shitov,A.A. Smolnikov,S. Söldner-Rembold,I. Štekl,Y. Sugaya,C.S. Sutton,G. Szklarz,Y. Tamagawa,J. Thomas,R. Thompson,V.V. Timkin,V.I. Tretyak,Vl.I. Tretyak,V.I. Umatov,L. Vála,I.A. Vanyushin,R. Vasiliev,V. Vorobel,Ts. Vylov,D. Waters,N. Yahlali,A. Žukauskas

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2011）

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摘要

We have constructed a GEANT4-based detailed software model of photon transport in plastic scintillator blocks and have used it to study the NEMO-3 and SuperNEMO calorimeters employed in experiments designed to search for neutrinoless double beta decay. We compare our simulations to measurements using conversion electrons from a calibration source of 207Bi and show that the agreement is improved if wavelength-dependent properties of the calorimeter are taken into account. In this article, we briefly describe our modeling approach and results of our studies.

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关键词

Scintillation,Photomultiplier,Plastic scintillators,Optical photon transport,GEANT 4,Double beta decay

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