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Isoscalar pairing interaction for the quasiparticle random-phase approximation approach to double-β and β decays

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21670%2F19%3A00336690" target="_blank" >RIV/68407700:21670/19:00336690 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1103/PhysRevC.100.034325" target="_blank" >https://doi.org/10.1103/PhysRevC.100.034325</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevC.100.034325" target="_blank" >10.1103/PhysRevC.100.034325</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Isoscalar pairing interaction for the quasiparticle random-phase approximation approach to double-β and β decays

  • Original language description

    We have proposed in a series of previous articles a method to determine the effective axial-vector current coupling and the strength of the isoscalar proton-neutron pairing interaction for calculating the nuclear matrix elements of the neutrinoless double-β (0νββ) decay by the quasiparticle random-phase approximation (QRPA). The combination of these two parameters has had an uncertainty in the QRPA approach, but now this uncertainty is removed by introducing a mathematical identity derived under the closure approximation to the nuclear matrix element of the 0νββ decay. In this article, we apply our method to the 0νββ decays of 136Xe and 130Te and show the nuclear matrix elements and reduced half-lives. Our calculation is tested first by a self-check method using the two-neutrino double-β decay, and this test ensures the application of our method to 136Xe. It turns out, however, that our method is not successful in 130Te. Further tests are made for our calculation, and satisfactory results are obtained for 136Xe.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10304 - Nuclear physics

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    PHYSICAL REVIEW C

  • ISSN

    2469-9985

  • e-ISSN

    2469-9993

  • Volume of the periodical

    100

  • Issue of the periodical within the volume

    September

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

    "034325-1"-"034325-11"

  • UT code for WoS article

    000488260200001

  • EID of the result in the Scopus database