학술논문
NEXT, a HPGXe TPC for neutrinoless double beta decay searches
Document Type
Working Paper
Author
The NEXT Collaboration; Granena, F.; Lux, T.; Nova, F.; Rico, J.; Sanchez, F.; Nygren, D. R.; Barata, J. A. S.; Borges, F. I. G. M.; Conde, C. A. N.; Dias, T. H. V. T.; Fernandes, L. M. P.; Freitas, E. D. C.; Lopes, J. A. M.; Monteiro, C. M. B.; Santos, J. M. F. dos; Santos, F. P.; Tavora, L. M. N.; Veloso, J. F. C. A.; Calvo, E.; Gil-Botella, I.; Novella, P.; Palomares, C.; Verdugo, A.; Giomataris, I.; Ferrer-Ribas, E.; Hernando-Morata, J. A.; Martinez, D.; Cid, X.; Ball, M.; Carcel, S.; Cervera, A.; Diaz, J.; Gil, A.; Gomez-Cadenas, J. J.; Martin-Albo, J.; Monrabal, F.; Munoz-Vidal, J.; Serra, L.; Sorel, M.; Yahlali, N.; Bosch, R. Esteve; Lerche, C. W.; Martinez, J. D.; Mora, F. J.; Sebastia, A.; Tarazona, A.; Toledo, J. F.; Lazaro, M.; Perez, J. L.; Ripoll, L.; Carmona, J. M.; Cebrian, S.; Dafni, T.; Galan, J.; Gomez, H.; Iguaz, F. J.; Irastorza, I. G.; Luzon, G.; Morales, J.; Rodriguez, A.; Ruz, J.; Tomas, A.; Villar, J. A.
Source
Subject
Language
Abstract
We propose a novel detection concept for neutrinoless double-beta decay searches. This concept is based on a Time Projection Chamber (TPC) filled with high-pressure gaseous xenon, and with separated-function capabilities for calorimetry and tracking. Thanks to its excellent energy resolution, together with its powerful background rejection provided by the distinct double-beta decay topological signature, the design discussed in this Letter Of Intent promises to be competitive and possibly out-perform existing proposals for next-generation neutrinoless double-beta decay experiments. We discuss the detection principles, design specifications, physics potential and R&D plans to construct a detector with 100 kg fiducial mass in the double-beta decay emitting isotope Xe(136), to be installed in the Canfranc Underground Laboratory.
Comment: Letter of Intent to the LSC Scientific Committee 115 pages
Comment: Letter of Intent to the LSC Scientific Committee 115 pages