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Spectroscopic factor and proton formation probability for the d3/2 proton emitter 151mLu
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2017 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 770, 83-87 p.Article in journal (Refereed) Published
Abstract [en]

The quenching of the experimental spectroscopic factor for proton emission from the short-lived d3/2 isomeric state in 151mLu 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 Jyväskylä. The proton-decay energy and half-life of this isomer were measured to be 1295(5) keV and 15.4(8) μs, 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 151mLu.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 770, 83-87 p.
Keyword [en]
A=151, Proton emitter, Proton formation probability, Recoil-decay tagging, Spectroscopic factor, WKB approximation
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-209526DOI: 10.1016/j.physletb.2017.04.034Scopus ID: 2-s2.0-85018751567OAI: oai:DiVA.org:kth-209526DiVA: diva2:1112613
Funder
Swedish Research Council, 621-2012-3805, 621-2013-4323
Note

QC 20170620

Available from: 2017-06-20 Created: 2017-06-20 Last updated: 2017-06-20Bibliographically approved

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