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

preprint2010arXivOpen access

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. D iaz 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. Holy J. J. Horkey 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. Lemi ere 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. Soldner-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. V ala I. A. Vanyushin R. Vasiliev V. Vorobel Ts. Vylov D. Waters N. Yahlali A. Žukauskas

hep-ex physics.ins-det

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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 $\rm ^{207}Bi$ 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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Spectral modeling of scintillator for the NEMO-3 and SuperNEMO detectors

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