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dc.contributor.authorHEIDEMAN, J
dc.contributor.authorGRZYWACZ, R
dc.contributor.authorXU, Z.Y
dc.contributor.authorMADURGA, M
dc.contributor.authorESCHER, J.E
dc.contributor.authorKAWANO, T
dc.contributor.authorALGORA, A
dc.contributor.authorANDREYEV, A.N
dc.contributor.authorBENITO, J
dc.contributor.authorBERRY, T
dc.contributor.authorBORGE, M.J.G
dc.contributor.authorCOSTACHE, C
dc.contributor.authorDE WITTE, H
dc.contributor.authorFIJALKOWSKA, A
dc.contributor.authorFRAILE, L.M
dc.contributor.authorFYNBO, H.O.U
hal.structure.identifierInstitut de Physique Nucléaire d'Orsay [IPNO]
dc.contributor.authorGOTTARDO, A
dc.contributor.authorHALVERSON, C
dc.contributor.authorHARKNESS-BRENNAN, L.J
dc.contributor.authorILLANA, A
dc.contributor.authorJANIAK, Ł
dc.contributor.authorJUDSON, D.S
dc.contributor.authorKING, T.T
dc.contributor.authorKORGUL, A
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorKURTUKIAN-NIETO, T
dc.contributor.authorLAZARUS, I
dc.contributor.authorLICĂ, R
hal.structure.identifierLaboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]
dc.contributor.authorLOZEVA, R
dc.contributor.authorMARGINEAN, N
dc.contributor.authorMARGINEAN, R
dc.contributor.authorMAZZOCCHI, C
dc.contributor.authorMIHAI, C
dc.contributor.authorMIHAI, R.E
dc.contributor.authorMORALES, A.I
dc.contributor.authorPAGE, R.D
dc.contributor.authorPAKARINEN, J
dc.contributor.authorPIERSA-SIŁKOWSKA, M
dc.contributor.authorPODOLYÁK, Zs
dc.contributor.authorSINGH, M
dc.contributor.authorSOTTY, C
dc.contributor.authorSTEPANIUK, M
dc.contributor.authorTENGBLAD, O
dc.contributor.authorTURTURICA, A
dc.contributor.authorVAN DUPPEN, P
dc.contributor.authorVEDIA, V
dc.contributor.authorVIÑALS, S
dc.contributor.authorWARR, N
dc.contributor.authorYOKOYAMA, R
dc.contributor.authorYUAN, C.X
dc.date.accessioned2023-11-20T16:37:54Z
dc.date.available2023-11-20T16:37:54Z
dc.date.issued2023
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/184950
dc.description.abstractEnModels of the <math><mi>β</mi></math>-delayed neutron emission (<math><mrow><mi>β</mi><mi>n</mi></mrow></math>) assume that neutrons are emitted statistically via an intermediate compound nucleus post <math><mi>β</mi></math> decay. Evidence to the contrary was found in an <math><mrow><mmultiscripts><mi>In</mi><mprescripts/><none/><mn>134</mn></mmultiscripts><mi>β</mi></mrow></math>-decay experiment carried out at ISOLDE CERN. Neutron emission probabilities from the unbound states in <math><mmultiscripts><mi>Sn</mi><mprescripts/><none/><mn>134</mn></mmultiscripts></math> to known low-lying, single-particle states in <math><mmultiscripts><mi>Sn</mi><mprescripts/><none/><mn>133</mn></mmultiscripts></math> were measured. The neutron energies were determined using the time-of-flight technique, and the subsequent decay of excited states in <math><mmultiscripts><mi>Sn</mi><mprescripts/><none/><mn>133</mn></mmultiscripts></math> was studied using <math><mi>γ</mi></math>-ray detectors. Individual <math><mrow><mi>β</mi><mi>n</mi></mrow></math> probabilities were determined by correlating the relative intensities and energies of neutrons and <math><mi>γ</mi></math> rays. The experimental data disagree with the predictions of representative statistical models which are based upon the compound nucleus postulate. Our results suggest that violation of the compound nucleus assumption may occur in <math><mi>β</mi></math>-delayed neutron emission. This impacts the neutron-emission probabilities and other properties of nuclei participating in the <math><mi>r</mi></math>-process. A model of neutron emission, which links the observed neutron emission probabilities to nuclear shell effects, is proposed.
dc.language.isoen
dc.title.enEvidence of nonstatistical neutron emission following <math><mi>β</mi></math> decay near doubly magic <math><mmultiscripts><mi>Sn</mi><mprescripts/><none/><mn>132</mn></mmultiscripts></math>
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevC.108.024311
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalPhys.Rev.C
bordeaux.page024311
bordeaux.volume108
bordeaux.hal.laboratoriesCentre d'Études Nucléaires de Bordeaux Gradignan (CENBG)*
bordeaux.issue2
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-04185208
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04185208v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Phys.Rev.C&amp;rft.date=2023&amp;rft.volume=108&amp;rft.issue=2&amp;rft.spage=024311&amp;rft.epage=024311&amp;rft.au=HEIDEMAN,%20J&amp;GRZYWACZ,%20R&amp;XU,%20Z.Y&amp;MADURGA,%20M&amp;ESCHER,%20J.E&amp;rft.genre=article


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