English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/127118
Compartir / Impacto:
Estadísticas
Add this article to your Mendeley library MendeleyBASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Título

Ionization and scintillation response of high-pressure xenon gas to alpha particles

AutorNEXT Collaboration; Álvarez Puerta, Vicente ; Cárcel, Sara ; Cervera Villanueva, Anselmo ; Díaz Medina, José ; Ferrario, Paola ; Gil Ortiz, Alejandro; Gómez Cadenas, Juan José ; Laing, Andrew ; Liubarsky, Igor ; Lorca Galindo, David ; Martín-Albo, Justo ; Martínez Pérez, Alberto ; Monrabal, Francesc ; Muñoz Vidal, Javier; Nebot Guinot, Miquel ; Rodríguez Samaniego, Javier ; Serra, Luis ; Sorel, Michel ; Simón, Ander ; Yahlali, Nadia
Palabras claveCharge transport
Ionization and excitation processes
Fecha de publicaciónmay-2013
EditorInstitute of Physics Publishing
CitaciónJournal of Instrumentation 08: P05025 - 35 (2013)
ResumenHigh-pressure xenon gas is an attractive detection medium for a variety of applications in fundamental and applied physics. In this paper we study the ionization and scintillation detection properties of xenon gas at 10 bar pressure. For this purpose, we use a source of alpha particles in the NEXT-DEMO time projection chamber, the large scale prototype of the NEXT-100 neutrinoless double beta decay experiment, in three different drift electric field configurations. We measure the ionization electron drift velocity and longitudinal diffusion, and compare our results to expectations based on available electron scattering cross sections on pure xenon. In addition, two types of measurements addressing the connection between the ionization and scintillation yields are performed. On the one hand we observe, for the first time in xenon gas, large event-by-event correlated fluctuations between the ionization and scintillation signals, similar to that already observed in liquid xenon. On the other hand, we study the field dependence of the average scintillation and ionization yields. Both types of measurements may shed light on the mechanism of electron-ion recombination in xenon gas for highly-ionizing particles. Finally, by comparing the response of alpha particles and electrons in NEXT-DEMO, we find no evidence for quenching of the primary scintillation light produced by alpha particles in the xenon gas.
Versión del editorhttp://dx.doi.org/10.1088/1748-0221/8/05/P05025
URIhttp://hdl.handle.net/10261/127118
DOI10.1088/1748-0221/8/05/P05025
ISSN1748-0221
E-ISSN1748-0221
Aparece en las colecciones: (IFIC) Artículos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
Ionization.pdf849,23 kBAdobe PDFVista previa
Visualizar/Abrir
Mostrar el registro completo
 

Artículos relacionados:


NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.