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Near-intrinsic energy resolution for 30-662 keV gamma rays in a high pressure xenon electroluminescent TPC

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Near-intrinsic energy resolution for 30-662 keV gamma rays in a high pressure xenon electroluminescent TPC

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dc.contributor.author	Álvarez Puerta, Vicente
dc.contributor.author	Cárcel García, Sara
dc.contributor.author	Cervera Villanueva, Anselmo
dc.contributor.author	Díaz Medina, José
dc.contributor.author	Ferrario, Paola
dc.contributor.author	Gómez Cadenas, Juan José
dc.contributor.author	Liubarsky, Igor
dc.contributor.author	Lorca Galindo, David
dc.contributor.author	Martín-Albo Simón, Justo
dc.contributor.author	Martínez Pérez, Alberto
dc.contributor.author	Monrabal Capilla, Francesc
dc.contributor.author	Muñoz Vidal, J.
dc.contributor.author	Nebot Guinot, Miquel
dc.contributor.author	Rodríguez Samaniego, Javier
dc.contributor.author	Serra Díaz-Cano, Luis
dc.contributor.author	Simón Estévez, Ander
dc.contributor.author	Sorel, Michel
dc.contributor.author	Yahlali Haddou, Nadia
dc.date.accessioned	2013-11-18T09:50:42Z
dc.date.available	2013-11-18T09:50:42Z
dc.date.issued	2013
dc.identifier.citation	Alvarez Puerta, Vicente Cárcel García, Sara Cervera Villanueva, Anselmo Díaz Medina, José Ferrario, Paola Gómez Cadenas, Juan Josçe Liubarsky, Igor Lorca Galindo, David Martín-Albo Simón, Justo Martínez Pérez, Alberto Monrabal Capilla, Francesc Muñoz Vidal, J. Nebot Guinot, Miquel Rodriguez Samaniego, Javier Serra Diaz-Cano, Luis Simón Estevez, Ander Sorel, Michel Yahlali Haddou, Nadia 2013 Near-intrinsic energy resolution for 30-662 keV gamma rays in a high pressure xenon electroluminescent TPC Nuclear Instruments & Methods in Physics Research Section A-Accelerators Spectrometers Detectors and Associated Equipment 708 101 114
dc.identifier.uri	http://hdl.handle.net/10550/31099
dc.description.abstract	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 2,459 keV hypothetical neutrino-less double beta decay peak are realizable. This energy resolution is a factor 7 to 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.
dc.relation.ispartof	Nuclear Instruments & Methods in Physics Research Section A-Accelerators Spectrometers Detectors and Associated Equipment, 2013, vol. 708, p. 101-114
dc.subject	Física
dc.title	Near-intrinsic energy resolution for 30-662 keV gamma rays in a high pressure xenon electroluminescent TPC
dc.type	journal article	es_ES
dc.date.updated	2013-11-18T09:50:42Z
dc.identifier.doi	10.1016/j.nima.2012.12.123
dc.identifier.idgrec	082884
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1016/j.nima.2012.12.123