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Gamow-Teller Beta-decay of deformed nuclei with 62 = Z = 70near the proton drip-line
Kristianstad University, Faculty of Natural Science, Avdelningen för datavetenskap. Lunds universitet.ORCID iD: 0000-0002-9792-0676
1998 (English)In: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. 57, no 6Article in journal (Refereed) Published
Abstract [en]

The distribution of the Gamow–Teller (GT) β+ strength is estimated for both oblate and prolate Hartree–Fock (HF) local minima for even-even nuclei with 62 ≤ Z ≤ 70 near the proton drip line, using the quasiparticle Tamm–Dancoff approximation (TDA) based on a deformed HF + BCS calculation with Skyrme interaction. The prolate local minima and the oblate local minima lie energetically close for these nuclei. Almost all the GT strength lies below the ground state of the mother nuclei in this region. The GT strength distribution is not sensitive to deformation. For the isotones N = 74 and N = 76 close to the proton drip line the total GT strength is always larger for the prolate shape than the oblate shape. Approaching the proton drip line the total GT strength increases.

Place, publisher, year, edition, pages
1998. Vol. 57, no 6
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:hkr:diva-21148DOI: 10.1088/0031-8949/57/6/002OAI: oai:DiVA.org:hkr-21148DiVA, id: diva2:1462795
Available from: 2020-08-31 Created: 2020-08-31 Last updated: 2020-09-03Bibliographically approved

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