Item
|
Álvarez Puerta, Vicente
Cervera Villanueva, Anselmo Borges, F. I.G. Cárcel García, Sara Castel, J. Cebrián, S. Cervera Villanueva, Anselmo Condel, C.A.N. Dafni, T. Dias, T.H.V.T. Díaz Medina, José Egorov, M. Esteve, R. Evtoukhovitch, P. Fernandes, L.M. P. Ferrario, Paola Ferreira, A.L. Freitas, E.D.C. Gehman, V.M. Gil, A. Goldschmidt, A. Gómez, H. Gómez Cadenas, Juan José González-Díaz, D. Gutiérrez, R.M. Hauptman, J. Hernando Morata, J.A. Herrera, D.C. Iguaz, F.J. Irastorza, I.G. Jinete, M.A. Labarga, L. Liubarsky, Igor Lopes, J.A.M. Lorca Galindo, David Losada, M. Luzón, G. Marí, A. Martín-Albo Simón, Justo Martínez Pérez, Alberto Miller, T. Moiseenko, A. Monrabal Capilla, Francesc Monteiro, C.M.B. Mora, F.J. Moutinho, L.M. Muñoz Vidal, J. Natal Da Luz, H. Navarro, G. Nebot Guinot, Miquel Nygren, D. Oliveira, C.A.B. Palma, R. Pérez, J. Pérez Aparicio, J.L. Renner, J. Ripoll Masferrer, Lluís Rodríguez, A. Rodríguez Samaniego, Javier Santos, F. P. Dos Santos, J. M.F. Segui, L. Serra Díaz-Cano, Luis Shuman, D. Simón Estévez, Ander Sofka, C. Sorel, Michel Toledo, J.F. Tomás, A. Torrent, J. Tsamalaidze, Z. Vázquez, D. Veloso, J.F.C.A. Villar, J.A. Webb, R.C. White, J.T. Yahlali Haddou, Nadia |
|
| We present the design, data and results from the NEXT prototype for Double Beta and Dark Matter (NEXT-DBDM) detector, a high-pressure gaseous natural xenon electroluminescent time projection chamber (TPC) that was built at the Lawrence Berkeley National Laboratory. It is a prototype of the planned NEXT-100 136Xe neutrino-less double beta decay (0νββ) experiment with the main objectives of demonstrating near-intrinsic energy resolution at energies up to 662 keV and of optimizing the NEXT-100 detector design and operating parameters. Energy resolutions of ∼1% FWHM for 662 keV gamma rays were obtained at 10 and 15 atm and ∼5% FWHM for 30 keV fluorescence xenon X-rays. These results demonstrate that 0.5% FWHM resolutions for the 2459 keV hypothetical neutrino-less double beta decay peak are realizable. This energy resolution is a factor 7-20 better than that of the current leading 0νββ experiments using liquid xenon and thus represents a significant advancement. We present also first results from a track imaging system consisting of 64 silicon photo-multipliers recently installed in NEXT-DBDM that, along with the excellent energy resolution, demonstrates the key functionalities required for the NEXT-100 0νββ search | |
| http://hdl.handle.net/2072/299586 | |
| eng | |
| Elsevier | |
| Tots els drets reservats | |
|
Electroluminiscència
Electroluminescence Energia nuclear Nuclear energy |
|
| Near-intrinsic energy resolution for 30-662 keV gamma rays in a high pressure xenon electroluminescent TPC | |
| info:eu-repo/semantics/article | |
| Recercat |
