Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures

NEXT Collaboration; Álvarez Puerta, Vicente; Benlloch Rodríguez, José María; Botas, A.; Cárcel, Sara; Carrión, J. V.; Díaz Medina, José; Felkai, Ryan; Kekic, Marija; Laing, Andrew; López-March, Neus; Martínez Pérez, Alberto; Martinez-Lema, G.; Musti, M.; Muñoz Vidal, Javier; Nebot Guinot, Miquel; Novella, Pau; Palmeiro, Brais; Querol, Marc; Renner, Joshua; Rodríguez Samaniego, Javier; Romo Luque, Carmen; Simón, Ander; Sorel, Michel; Yahlali, Nadia

Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures

We report new measurements of the drift velocity and longitudinal diffusion coefficients of electrons in pure xenon gas and in xenon-helium gas mixtures at 1-9 bar and electric field strengths of 50-300 V/cm. In pure xenon we find excellent agreement with world data at all E/P, for both drift veloci...

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Autores:	NEXT Collaboration, Álvarez Puerta, Vicente, Benlloch Rodríguez, José María, Botas, A., Cárcel, Sara, Carrión, J. V., Díaz Medina, José, Felkai, Ryan, Kekic, Marija, Laing, Andrew, López-March, Neus, Martínez Pérez, Alberto, Martinez-Lema, G., Musti, M., Muñoz Vidal, Javier, Nebot Guinot, Miquel, Novella, Pau, Palmeiro, Brais, Querol, Marc, Renner, Joshua, Rodríguez Samaniego, Javier, Romo Luque, Carmen, Simón, Ander, Sorel, Michel, Yahlali, Nadia
Tipo de recurso:	artículo
Estado:	Versión enviada para evaluación y publicación
Fecha de publicación:	2019
País:	España
Institución:	Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:	DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:	oai:digital.csic.es:10261/208418
Acceso en línea:	http://hdl.handle.net/10261/208418
Access Level:	acceso abierto

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spelling	Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixturesNEXT CollaborationÁlvarez Puerta, VicenteBenlloch Rodríguez, José MaríaBotas, A.Cárcel, SaraCarrión, J. V. Díaz Medina, JoséFelkai, RyanKekic, MarijaLaing, AndrewLópez-March, NeusMartínez Pérez, AlbertoMartinez-Lema, G.Musti, M.Muñoz Vidal, JavierNebot Guinot, MiquelNovella, PauPalmeiro, BraisQuerol, MarcRenner, JoshuaRodríguez Samaniego, JavierRomo Luque, CarmenSimón, AnderSorel, MichelSimón, AnderYahlali, NadiaWe report new measurements of the drift velocity and longitudinal diffusion coefficients of electrons in pure xenon gas and in xenon-helium gas mixtures at 1-9 bar and electric field strengths of 50-300 V/cm. In pure xenon we find excellent agreement with world data at all E/P, for both drift velocity and diffusion coefficients. However, a larger value of the longitudinal diffusion coefficient than theoretical predictions is found at low E/P in pure xenon, below the range of reduced fields usually probed by TPC experiments. A similar effect is observed in xenon-helium gas mixtures at somewhat larger E/P. Drift velocities in xenon-helium mixtures are found to be theoretically well predicted. Although longitudinal diffusion in xenon-helium mixtures is found to be larger than anticipated, extrapolation based on the measured longitudinal diffusion coefficients suggest that the use of helium additives to reduce transverse diffusion in xenon gas remains a promising prospect.IOP PublishingMinisterio de Economía y Competitividad (España)Ministerio de Ciencia, Innovación y Universidades (España)European CommissionGeneralitat ValencianaConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2020202020192020info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Preprintinfo:eu-repo/semantics/submittedVersionhttp://hdl.handle.net/10261/208418reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/EC/H2020/674896info:eu-repo/grantAgreement/EC/FP7/339787info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/FIS2014-53371-C4-1-Rinfo:eu-repo/grantAgreement/EC/H2020/690575info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/SEV-2014-0398http://dx.doi.org/10.1088/1748-0221/14/08/P08009Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2084182026-05-22T06:33:51Z
dc.title.none.fl_str_mv	Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures
title	Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures
spellingShingle	Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures NEXT Collaboration
title_short	Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures
title_full	Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures
title_fullStr	Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures
title_full_unstemmed	Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures
title_sort	Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures
dc.creator.none.fl_str_mv	NEXT Collaboration Álvarez Puerta, Vicente Benlloch Rodríguez, José María Botas, A. Cárcel, Sara Carrión, J. V. Díaz Medina, José Felkai, Ryan Kekic, Marija Laing, Andrew López-March, Neus Martínez Pérez, Alberto Martinez-Lema, G. Musti, M. Muñoz Vidal, Javier Nebot Guinot, Miquel Novella, Pau Palmeiro, Brais Querol, Marc Renner, Joshua Rodríguez Samaniego, Javier Romo Luque, Carmen Simón, Ander Sorel, Michel Simón, Ander Yahlali, Nadia
author	NEXT Collaboration
author_facet	NEXT Collaboration Álvarez Puerta, Vicente Benlloch Rodríguez, José María Botas, A. Cárcel, Sara Carrión, J. V. Díaz Medina, José Felkai, Ryan Kekic, Marija Laing, Andrew López-March, Neus Martínez Pérez, Alberto Martinez-Lema, G. Musti, M. Muñoz Vidal, Javier Nebot Guinot, Miquel Novella, Pau Palmeiro, Brais Querol, Marc Renner, Joshua Rodríguez Samaniego, Javier Romo Luque, Carmen Simón, Ander Sorel, Michel Yahlali, Nadia
author_role	author
author2	Álvarez Puerta, Vicente Benlloch Rodríguez, José María Botas, A. Cárcel, Sara Carrión, J. V. Díaz Medina, José Felkai, Ryan Kekic, Marija Laing, Andrew López-March, Neus Martínez Pérez, Alberto Martinez-Lema, G. Musti, M. Muñoz Vidal, Javier Nebot Guinot, Miquel Novella, Pau Palmeiro, Brais Querol, Marc Renner, Joshua Rodríguez Samaniego, Javier Romo Luque, Carmen Simón, Ander Sorel, Michel Yahlali, Nadia
author2_role	author author author author author author author author author author author author author author author author author author author author author author author author
dc.contributor.none.fl_str_mv	Ministerio de Economía y Competitividad (España) Ministerio de Ciencia, Innovación y Universidades (España) European Commission Generalitat Valenciana Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
description	We report new measurements of the drift velocity and longitudinal diffusion coefficients of electrons in pure xenon gas and in xenon-helium gas mixtures at 1-9 bar and electric field strengths of 50-300 V/cm. In pure xenon we find excellent agreement with world data at all E/P, for both drift velocity and diffusion coefficients. However, a larger value of the longitudinal diffusion coefficient than theoretical predictions is found at low E/P in pure xenon, below the range of reduced fields usually probed by TPC experiments. A similar effect is observed in xenon-helium gas mixtures at somewhat larger E/P. Drift velocities in xenon-helium mixtures are found to be theoretically well predicted. Although longitudinal diffusion in xenon-helium mixtures is found to be larger than anticipated, extrapolation based on the measured longitudinal diffusion coefficients suggest that the use of helium additives to reduce transverse diffusion in xenon gas remains a promising prospect.
publishDate	2019
dc.date.none.fl_str_mv	2019 2020 2020 2020
dc.type.none.fl_str_mv	info:eu-repo/semantics/article http://purl.org/coar/resource_type/c_6501 Preprint info:eu-repo/semantics/submittedVersion
format	article
status_str	submittedVersion
dc.identifier.none.fl_str_mv	http://hdl.handle.net/10261/208418
url	http://hdl.handle.net/10261/208418
dc.language.none.fl_str_mv	Inglés
language_invalid_str_mv	Inglés
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dc.rights.none.fl_str_mv	info:eu-repo/semantics/openAccess
eu_rights_str_mv	openAccess
dc.publisher.none.fl_str_mv	IOP Publishing
publisher.none.fl_str_mv	IOP Publishing
dc.source.none.fl_str_mv	reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str	Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str	DIGITAL.CSIC. Repositorio Institucional del CSIC
collection	DIGITAL.CSIC. Repositorio Institucional del CSIC
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Electron drift and longitudinal diffusion in high pressure xenon-helium gas mixtures

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