Ítem
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Álvarez Puerta, Vicente
Bandac, I. Bettini, Alessandro Borges, Filipa I.G.M. Cárcel García, Sara Castel, J. Cebrián, Susana Cervera Villanueva, Anselmo Conde, Carlos A.N. Dafni, Theopisti Dias, T.H.V.T Díaz Medina, José Egorov, M. Esteve, Raúl Evtoukhovitch, P. Fernandes, L.M.P. Ferrario, Paola Ferreira, Antonio Luis Freitas, Elisabete D.C. Gehman, Victor M. Gil Ortiz, Alejandro Goldschmidt, Azriel Gómez, H. Gómez Cadenas, Juan José González-Díaz, Diego Gutiérrez, Rafael María Hauptman, John M. Hernando Morata, J.A. Herrera, D.C. Iguaz, F.J. Irastorza, Igor Garcia Jinete, M.A. Labarga, Luis A. Laing, Andrew Liubarsky, Igor Lopes, J.A.M. Lorca Galindo, David Losada, Marta Luzón, Gloria Marí, A. Martín-Albo Simón, Justo Martínez Pérez, Alberto Miller, Tom P. Moiseenko, A. Monrabal Capilla, Francesc Monteiro, Cristina M.B. Mora, Francisco José Moutinho, L.M. Muñoz Vidal, J. Natal da Luz, H. Navarro, G. Nebot Guinot, Miquel Nygren, David R. Oliveira, Carlos A.B. Ortiz de Solórzano, A. Palma, R. Pérez, Javier Martin Pérez Aparicio, J.L. Renner, Joshua Ripoll Masferrer, Lluís Rodríguez, Ángel Y. Rodríguez Samaniego, Javier Santos, Filomena P. dos Santos, Joaquim M.F. Seguí, Laura Serra Díaz-Cano, Luis Shuman, Derek B. Simón Estévez, Ander Sofka, C. Sorel, Michel Toledo, J.F. Tomás, A. Torrent Collell, Jordi Tsamalaidze, Zviadi Vázquez, D. Veloso, João F.C.A. Villar, José Ángel Webb, R.C. White, James T. Yahlali Haddou, Nadia |
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| 22 gener 2013 | |
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The ``Neutrino Experiment with a Xenon Time-Projection Chamber’’ (NEXT) is intended to investigate the neutrinoless double beta decay of 136Xe, which requires a severe suppression of potential backgrounds. An extensive screening and material selection process is underway for NEXT since the control of the radiopurity levels of the materials to be used in the experimental set-up is a must for rare event searches. First measurements based on Glow Discharge Mass Spectrometry and gamma-ray spectroscopy using ultra-low background germanium detectors at the Laboratorio Subterr'aneo de Canfranc (Spain) are described here. Activity results for natural radioactive chains and other common radionuclides are summarized, being the values obtained for some materials like copper and stainless steel very competitive. The implications of these results for the NEXT experiment are also discussed We deeply acknowledge LSC directorate and staff for their strong support for performing the measurements at the LSC Radiopurity Service. The NEXT Collaboration acknowledges funding support from the following agencies and institutions: the Spanish Ministerio de Economía y Competitividad under grants CONSOLIDER-Ingenio 2010 CSD2008-0037 (CUP), Consolider-Ingenio 2010 CSD2007- 00042 (CPAN), and under contracts ref. FPA2008-03456, FPA2009-13697-C04- 04; FCT(Lisbon) and FEDER under grant PTDC/FIS/103860/2008; the European Commission under the European Research Council T-REX Starting Grant ref. ERC-2009-StG-240054 of the IDEAS program of the 7th EU Framework Program; Director, Office of Science, Office of Basic Energy Sciences, of the US Department of Energy under contract no. DE-AC02-05CH11231. Part of these grants are funded by the European Regional Development Fund (ERDF/FEDER). J. Renner (LBNL) acknowledges the support of a US DOE NNSA Stewardship Science Graduate Fellowship under contract no. DE-FC52-08NA28752. F. I. acknowledges the support from the Eurotalents program |
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| application/pdf | |
| http://hdl.handle.net/10256/17043 | |
| eng | |
| Institute of Physics (IOP) | |
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info:eu-repo/semantics/altIdentifier/doi/10.1088/1748-0221/8/01/T01002 info:eu-repo/semantics/altIdentifier/issn/1748-0221 |
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| Tots els drets reservats | |
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Detectors de radiació
Nuclear counters Cambres d’ionització Ionization chambers |
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| Radiopurity control in the NEXT-100 double beta decay experiment: procedures and initial measurements | |
| info:eu-repo/semantics/article | |
| DUGiDocs |
