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Muon capture rates: Evaluation within the quasiparticle random phase approximation

Šimkovic, Fedor and Dvornický, Rastislav and Vogel, Petr (2020) Muon capture rates: Evaluation within the quasiparticle random phase approximation. Physical Review C, 102 (3). Art. No. 034301. ISSN 2469-9985.

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The quasiparticle random phase approximation is used in evaluation of the total muon capture rates for final nuclei participating in double-β decay. Several variants of the method are used, depending on the size of the single-particle model space used, or treatment of the initial bound muon wave function. The resulting capture rates are all reasonably close to each other. In particular, the variant that appears to be most realistic results in rates that are in good agreement with the experimental values. There is no necessity for an empirical quenching of the axial current coupling constant g_A. Its standard value g_A = 1.27 seems to be adequate.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Šimkovic, Fedor0000-0003-2414-0414
Dvornický, Rastislav0000-0002-4401-1188
Vogel, Petr0000-0003-0587-5466
Additional Information:© 2020 American Physical Society. Received 5 June 2020; revised 22 July 2020; accepted 17 August 2020; published 1 September 2020. This work was supported by the VEGA Grant Agency of the Slovak Republic under Contract No. 1/0607/20 and by the Ministry of Education, Youth and Sports of the Czech Republic under the INAFYM Grant No. CZ.02.1.01/0.0/0.0/16_019/0000766. The work of P.V. is supported by the Physics Department, California Institute of Technology.
Funding AgencyGrant Number
Ministry of Education, Youth and Sports (Czech Republic)CZ.02.1.01/0.0/0.0/16_019/0000766
Issue or Number:3
Record Number:CaltechAUTHORS:20200909-154306700
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:105306
Deposited By: Tony Diaz
Deposited On:09 Sep 2020 23:06
Last Modified:09 Sep 2020 23:06

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