Zobrazeno 1 - 10
of 275
pro vyhledávání: '"Sagawa, Hiroyuki"'
The magnetic dipole ($M$1) resonances of even-even $^{112-120, 124}$Sn isotopes are investigated in the framework of the self-consistent Skyrme Hartree-Fock (HF) + BCS and Quasiparticle Random Phase Approximation (QRPA). The Skyrme energy density fun
Externí odkaz:
http://arxiv.org/abs/2312.13624
Autor:
Naito, Tomoya, Colò, Gianluca, Hatsuda, Tetsuo, Liang, Haozhao, Roca-Maza, Xavier, Sagawa, Hiroyuki
Publikováno v:
Il Nuovo Cimento C 47, 52 (2024)
We summarize the recent progress on the determination of the charge symmetry breaking term of nuclear energy density functionals. We point out that the strength of the term determined theoretically is remarkably smaller than that determined phenomeno
Externí odkaz:
http://arxiv.org/abs/2309.17060
Publikováno v:
Phys. Rev. C 109, L011302 (2024)
An approach is proposed to link the charge symmetry breaking (CSB) nuclear interaction and the low-energy constants in quantum chromodynamics (QCD) by matching the CSB effect in nuclear matter. The resulting CSB interaction is applied to study the Ok
Externí odkaz:
http://arxiv.org/abs/2305.17481
Publikováno v:
Phys. Rev. C 107, 064302 (2023)
Both the Coulomb interaction and isospin symmetry breaking (ISB) parts of the nuclear interaction break the isospin symmetry in atomic nuclei. Effects of these two kinds of interaction on properties of atomic nuclei, especially, the mass difference o
Externí odkaz:
http://arxiv.org/abs/2302.08421
Autor:
Sagawa, Hiroyuki
The Telescope Array (TA) is the largest hybrid cosmic ray detector in the Northern Hemisphere, which observes primary particles in the energy range from 2 PeV to 100 EeV. The main TA detector consists of 507 plastic scintillation counters on a 1.2-km
Externí odkaz:
http://arxiv.org/abs/2209.03591
Publikováno v:
Phys. Rev. C 107, 054307 (2023)
Isotope dependences of charge radii, i.e., isotope shifts, calculated by the Skyrme Hartree-Fock, the relativistic mean-field, and the relativistic Hartree-Fock calculations are compared against the experimental data of magic and semimagic nuclei. It
Externí odkaz:
http://arxiv.org/abs/2209.02857
Autor:
Xu, Jun-Yao, Li, Zheng-Zheng, Sun, Bao-Hua, Niu, Yi-Fei, Roca-Maza, Xavier, Sagawa, Hiroyuki, Tanihata, Isao
Publikováno v:
Physics Letter B 833 (2022)137333
The nuclear symmetry energy plays a key role in determining the equation of state (EoS) of dense, neutron-rich matter, which connects the atomic nuclei with the hot and dense matter in universe, thus has been the subject of intense investigations in
Externí odkaz:
http://arxiv.org/abs/2205.05276
Publikováno v:
Phys. Rev. C 106, L061306 (2022)
Isospin symmetry breaking (ISB) effects in the charge radius difference $\Delta R_{\rm ch}$ of mirror nuclei are studied using the test example of ${}^{48}$Ca and ${}^{48}$Ni. This choice allows for a transparent study of ISB contributions since pari
Externí odkaz:
http://arxiv.org/abs/2202.05035
We study the energy spectra of $\Xi$ hypernuclei $^{15}_{\Xi}$C and $^{12}_{\Xi}$Be with a relativistic mean field (RMF) model with meson exchange $\Xi N$ interactions. The RMF parameters are optimized to reproduce the average energy of KINKA and IRR
Externí odkaz:
http://arxiv.org/abs/2202.04276
Publikováno v:
Phys. Rev. C 105, L021304 (2022)
We propose a new approach to determine the strength of the charge symmetry breaking (CSB) term in the framework of nuclear density functional theory. It is shown that once ab initio calculations are available including accurate description of isospin
Externí odkaz:
http://arxiv.org/abs/2107.14436