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A method to stabilise the performance of negatively fed KM3NeT photomultipliers

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A method to stabilise the performance of negatively fed KM3NeT photomultipliers

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dc.contributor.author Adrián Martínez, Silvia es_ES
dc.contributor.author Ardid Ramírez, Miguel es_ES
dc.contributor.author Llorens Alvarez, Carlos David es_ES
dc.contributor.author Martínez Mora, Juan Antonio es_ES
dc.contributor.author Saldaña-Coscollar, María es_ES
dc.contributor.author Ageron, M. es_ES
dc.contributor.author Aiello, S. es_ES
dc.contributor.author Albert, A. es_ES
dc.contributor.author Ameli, F. es_ES
dc.contributor.author Anassontzis, E.G. es_ES
dc.contributor.author Andre, M. es_ES
dc.contributor.author Androulakis, G. es_ES
dc.contributor.author Anghinolfi, M. es_ES
dc.contributor.author Anton, G. es_ES
dc.contributor.author Avgitas, T. es_ES
dc.date.accessioned 2017-09-15T15:42:39Z
dc.date.available 2017-09-15T15:42:39Z
dc.date.issued 2016-12
dc.identifier.issn 1748-0221
dc.identifier.uri http://hdl.handle.net/10251/87373
dc.description.abstract [EN] The KM3NeT research infrastructure, currently under construction in the Mediterranean Sea, will host neutrino telescopes for the identification of neutrino sources in the Universe and for studies of the neutrino mass hierarchy. These telescopes will house hundreds of thousands of photomultiplier tubes that will have to be operated in a stable and reliable fashion. In this context, the stability of the dark counts has been investigated for photomultiplier tubes with negative high voltage on the photocathode and held in insulating support structures made of 3D printed nylon material. Small gaps between the rigid support structure and the photomultiplier tubes in the presence of electric fields can lead to discharges that produce dark count rates that are highly variable. A solution was found by applying the same insulating varnish as used for the high voltage bases directly to the outside of the photomultiplier tubes. This transparent conformal coating provides a convenient and inexpensive method of insulation. es_ES
dc.description.sponsorship The authors acknowledge the financial support of the funding agencies: Centre National de la Recherche Scientifique (CNRS), Commission Europeenne (FEDER fund and Marie Curie Program), Institut Universitaire de France (IUF), IdEx program and UnivEarthS Labex program at Sorbonne Paris Cite (ANR-10-LABX-0023 and ANR-11-IDEX-0005-02), France; The General Secretariat of Research and Technology (GSRT), Greece; Istituto Nazionale di Fisica Nucleare (INFN), Ministero dell'Istruzione, dell'Universita e della Ricerca (MIUR), Italy; Agence de l'Oriental and CNRST, Morocco; Stichting voor Fundamenteel Onderzoek der Materie (FOM), Nederlandse organisatie voorWetenschappelijk Onderzoek (NWO), the Netherlands; National Authority for Scientific Research (ANCS), Romania; Plan Estatal de Investigacion (refs. FPA2015-65150-C3-1-P, -2-P and -3-P, (MINECO/FEDER)), Severo Ochoa Centre of Excellence and MultiDark Consolider (MINECO), and Prometeo and Grisolia programs (Generalitat Valenciana), Spain.
dc.language Inglés es_ES
dc.publisher IOP Publishing es_ES
dc.relation.ispartof Journal of Instrumentation es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Instrument optimisation es_ES
dc.subject Large detector systems for particle and astroparticle physics es_ES
dc.subject Neutrino detectors es_ES
dc.subject Photon detectors for UV, visible and IR photons (gas) (gas-photocathodes, solid-photocathode es_ES
dc.subject.classification FISICA APLICADA es_ES
dc.title A method to stabilise the performance of negatively fed KM3NeT photomultipliers es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1088/1748-0221/11/12/P12014
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//FPA2015-65150-C3-1-P/ES/PARTICIPACION DEL IFIC EN ANTARES, KM3NET-ARCA%2FORCA Y PDG/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/ANR//ANR-11-IDEX-0005/FR/Université Sorbonne Paris Cité/USPC/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/ANR//ANR-10-LABX-0023/FR/Earth - Planets - Universe: observation, modeling, transfer/UnivEarthS/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//FPA2015-65150-C3-2-P/ES/PARTICIPACION DE LA UPV EN ANTARES Y KM3NET-ARCA%2FORCA/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//FPA2015-65150-C3-3-P/ES/PARTICIPACION DE LA UGR EN ANTARES, KM3NET-ARCA%2FORCA Y PDG/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Investigación para la Gestión Integral de Zonas Costeras - Institut d'Investigació per a la Gestió Integral de Zones Costaneres es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Politécnica Superior de Gandia - Escola Politècnica Superior de Gandia es_ES
dc.description.bibliographicCitation Adrián Martínez, S.; Ardid Ramírez, M.; Llorens Alvarez, CD.; Martínez Mora, JA.; Saldaña-Coscollar, M.; Ageron, M.; Aiello, S.... (2016). A method to stabilise the performance of negatively fed KM3NeT photomultipliers. Journal of Instrumentation. 11:1-8. https://doi.org/10.1088/1748-0221/11/12/P12014 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1088/1748-0221/11/12/P12014 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 8 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 11 es_ES
dc.relation.senia 328213 es_ES
dc.contributor.funder Centre National de la Recherche Scientifique, Francia
dc.contributor.funder European Commission
dc.contributor.funder Agence Nationale de la Recherche, Francia
dc.contributor.funder Ministerio de Economía y Competitividad
dc.contributor.funder Generalitat Valenciana
dc.contributor.funder Institut Universitaire de France
dc.contributor.funder General Secretariat for Research and Technology, Grecia
dc.contributor.funder Instituto Nazionale di Fisica Nucleare
dc.contributor.funder Ministero dell'Istruzione dell'Università e della Ricerca, Italia
dc.contributor.funder Netherlands Organization for Scientific Research
dc.contributor.funder National Authority for Scientific Research, Rumanía


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