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The nylon balloon for xenon loaded liquid scintillator in KamLAND-Zen 800 neutrinoless double-beta decay search experiment

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dc.contributor.authorGando, Y.
dc.contributor.authorGando, A.
dc.contributor.authorHachiya, T.
dc.contributor.authorKozlov, A.
dc.contributor.authorКозлов, Александр Анатольевич
dc.date.accessioned2024-11-29T19:56:50Z
dc.date.available2024-11-29T19:56:50Z
dc.date.issued2021
dc.description.abstract© 2021 IOP Publishing Ltd and Sissa Medialab.The KamLAND-Zen 800 experiment is searching for the neutrinoless double-beta decay of 136Xe by using 136Xe-loaded liquid scintillator. The liquid scintillator is enclosed inside a balloon made of thin, transparent, low-radioactivity film that we call Inner Balloon (IB). The IB, apart from guaranteeing the liquid containment, also allows to minimize the background from cosmogenic muon-spallation products and 8B solar neutrinos. Indeed these events could contribute to the total counts in the region of interest around the Q-value of the double-beta decay of 136Xe. In this paper, we present an overview of the IB and describe the various steps of its commissioning minimizing the radioactive contaminations, from the material selection, to the fabrication of the balloon and its installation inside the KamLAND detector. Finally, we show the impact of the IB on the KamLAND background as measured by the KamLAND detector itself.
dc.identifier.citationThe nylon balloon for xenon loaded liquid scintillator in KamLAND-Zen 800 neutrinoless double-beta decay search experiment / Gando, Y. [et al.] // Journal of Instrumentation. - 2021. - 16. - № 8. - 10.1088/1748-0221/16/08/P08023
dc.identifier.doi10.1088/1748-0221/16/08/P08023
dc.identifier.urihttps://www.doi.org/10.1088/1748-0221/16/08/P08023
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85113445269&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000706929300006
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/24642
dc.relation.ispartofJournal of Instrumentation
dc.titleThe nylon balloon for xenon loaded liquid scintillator in KamLAND-Zen 800 neutrinoless double-beta decay search experiment
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue8
oaire.citation.volume16
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