Zobrazeno 1 - 10
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pro vyhledávání: '"Terasaki, J"'
Autor:
Terasaki, J.
Publikováno v:
Phys. Rev. C 108, 014301 (2023)
A qualitative difference in the running sum for the nuclear matrix element of the two-neutrino double-$\beta$ decay of $^{136}$Xe was found four years ago between quasiparticle random-phase approximation (QRPA) and shell model calculations. The forme
Externí odkaz:
http://arxiv.org/abs/2304.01719
Autor:
Terasaki, J., Iwata, Y.
Publikováno v:
Eur. Phys. J. Plus 136, 908 (2021), open access
The nuclear matrix element (NME) of the neutrinoless double-$\beta$ ($0\nu\beta\beta$) decay is an essential input for determining the neutrino effective mass, if the half-life of this decay is measured. The reliable calculation of this NME has been
Externí odkaz:
http://arxiv.org/abs/2104.08250
Autor:
Terasaki, J.
Publikováno v:
Phys. Rev. C 102, 044303 (2020), slightly different from this version
A new method has been proposed to determine the strength of the isoscalar proton-neutron pairing interaction applicable to many nuclei. The principle is the equivalence between the double charge change and the double transfer of like-particle pair, a
Externí odkaz:
http://arxiv.org/abs/2003.03542
Autor:
Terasaki, J.
I propose a new method to determine the strength of the isoscalar proton-neutron pairing interaction by a mathematical identity derived in the quasiparticle random-phase approximation. This method is applied for a few nuclei possibly having the neutr
Externí odkaz:
http://arxiv.org/abs/1901.06846
Autor:
Terasaki, J.
Publikováno v:
Nuclear Theory, vol. 37 (2018) p. 3, eds. M. Gaidarov, N. Minkov, Heron Press, Sofia
The neutrinoless double-$\beta$ decay is a hypothetical rare nuclear decay, which can be used for determining the neutrino-mass scale. The scheme to use this decay for determining the neutrino-mass scale is one of few limited methods possible to dete
Externí odkaz:
http://arxiv.org/abs/1901.06841
Autor:
Terasaki, J., Iwata, Y.
Publikováno v:
Phys. Rev. C 100, 034325 (2019)
We have proposed in a series of previous papers 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 dou
Externí odkaz:
http://arxiv.org/abs/1901.05165
Autor:
Terasaki, J.
Publikováno v:
Phys. Rev. C 97, 034304 (2018)
The nuclear matrix elements (NMEs) of the neutrinoless and two-neutrino double-$\beta$ decays of $^{48}$Ca are calculated by the quasiparticle random-phase approximation (QRPA) with emphasis on the consistency examinations of this calculation method.
Externí odkaz:
http://arxiv.org/abs/1710.05572
Publikováno v:
Published in Int. Jour. Mod. Phys. E, 26 (2017) 1750062
It is shown that the random-phase approximation (RPA) method with its nonlinear generalization, which was previously considered as approximation, reproduces the exact solutions of the Lipkin model. The nonlinear RPA is based on an equation nonlinear
Externí odkaz:
http://arxiv.org/abs/1701.08368
Autor:
Terasaki, J.
Publikováno v:
Phys. Rev. C 91, 034318 (2015)
We show that the correlations of the quasiparticle random-phase approximation (QRPA) significantly reduce the nuclear matrix element (NME) of neutrinoless double-beta decay by a new mechanism in the calculation for $^{150}$Nd $\rightarrow$ $^{150}$Sm
Externí odkaz:
http://arxiv.org/abs/1408.1545
Autor:
Terasaki, J.
Publikováno v:
Phys. Rev. C 87 (2013) 024316
The overlap of the excited states in quasiparticle random-phase approximation (QRPA) is calculated in order to simulate the overlap of the intermediate nuclear states of the double-beta decay. Our basic idea is to use the like-particle QRPA with the
Externí odkaz:
http://arxiv.org/abs/1208.3724