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Improved intensities for the gamma transitions with E-gamma > 3 MeV from Pb-208

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dc.contributor.authorGowoon Kim-
dc.contributor.authorKevin Insik Hahn-
dc.contributor.authorWoon Gu Kang-
dc.contributor.authorYeongduk Kim-
dc.contributor.authorEun Kyoung Lee-
dc.contributor.authorMoo Hyun Lee-
dc.contributor.authorLeonard Douglas-
dc.contributor.authorSu-Yeon Park-
dc.date.accessioned2021-01-22T06:30:05Z-
dc.date.accessioned2021-01-22T06:30:05Z-
dc.date.available2021-01-22T06:30:05Z-
dc.date.available2021-01-22T06:30:05Z-
dc.date.created2021-01-22-
dc.date.issued2020-12-
dc.identifier.issn2469-9985-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/9087-
dc.description.abstractPb-208 is a doubly magic nucleus which has been studied extensively by many experiments and nuclear models. Its properties, such as excitation energies, spins, and parities of the ground and excited states are well known. However, some gamma transitions with E-gamma > 3 MeV from the excited states to the ground state in Pb-208 have never been observed. The intensities of these gamma transitions are important issues for 0 nu beta beta decay searches because these transitions can make non-negligible background signals depending on their intensities. We conducted a measurement to search for the 3197.7, 3475.1, and 3708.4 keV transitions, which are emitted from the second, third, and fourth excited states in Pb-208, respectively. A 2 kg ThO2 sample was measured using a 100% relative efficiency high-purity germanium detector for 39.5 days at Y2L, an underground laboratory in Yangyang, Korea. We improved upper limits for intensities of the 3197.7, 3475.1, and 3708.4 keV gamma transitions as <1.2 x 10(-4)%, <1.4 x 10(-4)%, and <1.2 x 10(-4)%, respectively. These upper limits are at least a factor of 19 better than the previous results.-
dc.language영어-
dc.publisherAMER PHYSICAL SOC-
dc.titleImproved intensities for the gamma transitions with E-gamma > 3 MeV from Pb-208-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000595606200001-
dc.identifier.scopusid2-s2.0-85102476953-
dc.identifier.rimsid74333-
dc.contributor.affiliatedAuthorGowoon Kim-
dc.contributor.affiliatedAuthorKevin Insik Hahn-
dc.contributor.affiliatedAuthorWoon Gu Kang-
dc.contributor.affiliatedAuthorYeongduk Kim-
dc.contributor.affiliatedAuthorEun Kyoung Lee-
dc.contributor.affiliatedAuthorMoo Hyun Lee-
dc.contributor.affiliatedAuthorLeonard Douglas-
dc.contributor.affiliatedAuthorSu-Yeon Park-
dc.identifier.doi10.1103/PhysRevC.102.064306-
dc.identifier.bibliographicCitationPhysical Review c, v.102, no.6, pp.1 - 7-
dc.relation.isPartOfPhysical Review c-
dc.citation.titlePhysical Review c-
dc.citation.volume102-
dc.citation.number6-
dc.citation.startPage1-
dc.citation.endPage7-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalWebOfScienceCategoryPhysics, Nuclear-
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > 1. Journal Papers (저널논문)
Center for Exotic Nuclear Studies(희귀 핵 연구단) > 1. Journal Papers (저널논문)
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