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An observation of a new class of afterpulses with delay time in the range of 70-200 microseconds in classical vacuum photomultipliers

Autor: Poleshchuk, R. V., Lubsandorzhiev, B. K., Vasiliev, R. V.

We present results of the first observation of afterpulses with extremely long (~120 microseconds) delay time from the main pulse in 8 inch classical vacuum photomultipliers.
Comment: To be published in NIMA

Externí odkaz: http://arxiv.org/abs/1202.6198

Probing New Physics Models of Neutrinoless Double Beta Decay with SuperNEMO

Autor: Arnold, R., Augier, C., Baker, J., Barabash, A. S., Basharina-Freshville, A., Bongrand, M., Brudanin, V., Caffrey, A. J., Cebrián, S., Chapon, A., Chauveau, E., Dafni, Th., Deppisch, F. F., Diaz, J., Durand, D., Egorov, V., Evans, J. J., Flack, R., Fushima, K-I., Irastorza, I. García, Garrido, X., Gómez, H., Guillon, B., Holin, A., Holy, K., Horkley, J. J., Hubert, Ph., Hugon, C., Iguaz, F. J., Ishihara, N., Jackson, C. M., Jullian, S., Kauer, M., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lamhamdi, T., Lang, K., Lutter, G., Luzón, G., Mamedov, F., Marquet, Ch., Mauger, F., Monrabal, F., Nachab, A., Nasteva, I., Nemchenok, I., Nguyen, C. H., Nomachi, M., Nova, F., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Povinec, P. P., Richards, B., Ricol, J. S., Riddle, C. L., Rodríguez, A., Saakyan, R., Sarazin, X., Sedgbeer, J. K., Serra, L., Shitov, Yu., Simard, L., Šimkovic, F., Söldner-Rembold, S., Štekl, I., Sutton, C. S., Tamagawa, Y., Thomas, J., Timkin, V., Tretyak, V., Tretyak, Vl. I., Umatov, V. I., Vanyushin, I. A., Vasiliev, R., Vasiliev, V., Vorobel, V., Waters, D., Yahlali, N., Žukauskas, A.

Publikováno v: Eur.Phys.J.C70:927-943,2010

The possibility to probe new physics scenarios of light Majorana neutrino exchange and right-handed currents at the planned next generation neutrinoless double beta decay experiment SuperNEMO is discussed. Its ability to study different isotopes and

Externí odkaz: http://arxiv.org/abs/1005.1241

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

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

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 deca

Externí odkaz: http://arxiv.org/abs/1004.3779

Photoelectron backscattering in vacuum phototubes

Autor: Lubsandorzhiev, B. K., Vasiliev, R. V., Vyatchin, Y. E., Shaibonov, B. A. J.

Publikováno v: Nucl.Instrum.Meth. A567 (2006) 12-16

In this article we describe results of a photoelectron backscattering effect in vacuum phototubes: classical photomultipliers (PMT) and hybrid phototubes (PH). Late pulses occurring in PMTs are attributed to the photoelectron backscattering and disti

Externí odkaz: http://arxiv.org/abs/physics/0601157