EXILL - a high-efficiency, high-resolution setup for gamma-spectroscopy at an intense cold neutron beam facility

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dc.authorid0000-0003-4001-0150
dc.authorid0000-0002-0345-7271
dc.authorid0000-0001-8532-8504
dc.authorid0000-0003-1771-2656
dc.authorid0000-0003-2479-1380
dc.authorid0000-0002-7620-8882
dc.contributor.authorJentschel, M.
dc.contributor.authorBlanc, A.
dc.contributor.authorde France, G.
dc.contributor.authorKoster, U.
dc.contributor.authorLeoni, S.
dc.contributor.authorMutti, P.
dc.contributor.authorBack, T.
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2017
dc.departmentNiğde ÖHÜ
dc.description.abstractIn the EXILL campaign a highly efficient array of high purity germanium (HPGe) detectors was operated at the cold neutron beam facility PF1B of the Institut Laue-Langevin (ILL) to carry out nuclear structure studies, via measurements of gamma-rays following neutron-induced capture and fission reactions. The setup consisted of a collimation system producing a pencil beam with a thermal capture equivalent flux of about 10(8) ns(-1)cm(2) at the target position and negligible neutron halo. The targetwas surrounded by an array of eight to ten anti-Compton shielded EXOGAMClover detectors, four to six anti-Compton shielded large coaxial GASP detectors and two standard Clover detectors. For a part of the campaign the array was combined with 16 LaBr3:(Ce) detectors from the FATIMA collaboration. The detectorswere arranged in an array of rhombicuboctahedron geometry, providing the possibility to carry out very precise angular correlation and directional-polarization correlation measurements. The triggerless acquisition system allowed a signal collection rate of up to 6 x 10(5) Hz. The data allowed to set multi-fold coincidences to obtain decay schemes and in combination with the FATIMA array of LaBr3:(Ce) detectors to analyze half-lives of excited levels in the pico-to microsecond range. Precise energy and efficiency calibrations of EXILL were performed using standard calibration sources of Ba-133, Co-60 and Eu-152 as well as data from the reactions Al-27(n, gamma)Al-28 and Cl-35(n,gamma)Cl-36 in the energy range from 30 keV up to 10MeV.
dc.description.sponsorshipU.S. DOE grant [DE-FG02-91ER40609]; NUPNET; German BMBF [O5P12PKNUF, 05P15RDFN1, 05P12RDNUP]; German DFG contract [KR 1796/2-1]; Polish National Science Centre [DEC-2013/09/B/ST2/03485]
dc.description.sponsorshipThis work has been partly supported by the Polish National Science Centre under contract DEC-2013/09/B/ST2/03485, the U.S. DOE grant No. DE-FG02-91ER40609, the NUPNET and the German BMBF under contracts O5P12PKNUF, 05P15RDFN1 and 05P12RDNUP and the German DFG contract KR 1796/2-1.
dc.identifier.doi10.1088/1748-0221/12/11/P11003
dc.identifier.issn1748-0221
dc.identifier.scopus2-s2.0-85038559062
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://dx.doi.org/10.1088/1748-0221/12/11/P11003
dc.identifier.urihttps://hdl.handle.net/11480/3485
dc.identifier.volume12
dc.identifier.wosWOS:000414625700003
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherIOP PUBLISHING LTD
dc.relation.ispartofJOURNAL OF INSTRUMENTATION
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectInstrumentation for neutron sources
dc.subjectGamma detectors (scintillators, CZT, HPG, HgI etc)
dc.subjectSpectrometers
dc.titleEXILL - a high-efficiency, high-resolution setup for gamma-spectroscopy at an intense cold neutron beam facility
dc.typeArticle

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