6533b826fe1ef96bd12851df

RESEARCH PRODUCT

Spectroscopic factor and proton formation probability for the d3/2 proton emitter 151Lu

D. T. JossI. J. CullenW.q. ZhangSarah EeckhaudtT. ShizumaA. KishadaHong-fei ZhangJan SarénS. F. AshleySakari JuutinenP. JonesL. BiancoRauno JulinSusan RigbyS. KhanIain DarbyM. NymanN. J. ThompsonPaul GreenleesChong QiF. WangTuomas GrahnW. GelletlyMegumi NiikuraPhilip M WalkerS. J. SteerCatherine ScholeyS. PietriA. B. GarnsworthyD. G. JenkinsJuha UusitaloZhi LiuZhi LiuJuha SorriRobert PageM. B. Gómez-hornillosSteffen KetelhutJanne PakarinenBao-hua SunSteven WilliamsMatti LeinoPanu RahkilaJ. ThomsonZsolt PodolyakG. A. JonesL. H. Zhu

subject

Nuclear and High Energy PhysicsWork (thermodynamics)Nuclear TheoryProton3106Proton decayFOS: Physical sciencesProton energy01 natural sciencesproton emitterWKB approximationNuclear Theory (nucl-th)Nuclear physicsA=1510103 physical sciencesrecoil-decay taggingddc:530WKB approximationNuclear Experiment (nucl-ex)spectroscopic factorProton emissionNuclear Experiment010306 general physicsNuclear ExperimentCommon emitterPhysicsQuenching (fluorescence)ta114010308 nuclear & particles physicsSpectroscopic factorProton emitterproton formation probabilitylcsh:QC1-999Proton formation probability3. Good healthRecoil-decay taggingAtomic physicslcsh:Physics

description

The quenching of the experimental spectroscopic factor for proton emission from the short-lived $d_{3/2}$ isomeric state in $^{151m}$Lu was a long-standing problem. In the present work, proton emission from this isomer has been reinvestigated in an experiment at the Accelerator Laboratory of the University of Jyv\"{a}skyl\"{a}. The proton-decay energy and half-life of this isomer were measured to be 1295(5) keV and 15.4(8) $\mu$s, respectively, in agreement with another recent study. These new experimental data can resolve the discrepancy in the spectroscopic factor calculated using the spherical WKB approximation. Using the R-matrix approach it is found that the proton formation probability indicates no significant hindrance for the proton decay of $^{151m}$Lu.

yearjournalcountryeditionlanguage
2017-07-10Physics Letters B
https://doi.org/10.1016/j.physletb.2017.04.034