Nuclear equation of state from ground and collective excited state properties of nuclei

X Roca-Maza, N Paar - Progress in Particle and Nuclear Physics, 2018 - Elsevier
This contribution reviews the present status on the available constraints to the nuclear
equation of state (EoS) around saturation density from nuclear structure calculations on …

Isovector spin-singlet (T= 1, S= 0) and isoscalar spin-triplet (T= 0, S= 1) pairing interactions and spin-isospin response

H Sagawa, CL Bai, G Colo - Physica Scripta, 2016 - iopscience.iop.org
We review several experimental and theoretical advances that emphasize common aspects
of the study of spin-singlet, T= 1, and spin-triplet, T= 0, pairing correlations in nuclei. We first …

Gamow-Teller excitations at finite temperature: Competition between pairing and temperature effects

E Yüksel, N Paar, G Colò, E Khan, YF Niu - Physical Review C, 2020 - APS
The relativistic and nonrelativistic finite temperature proton-neutron quasiparticle random
phase approximation (FT-PNQRPA) methods are developed to study the interplay of the …

Tensor force effect on pairing correlations for the Gamow–Teller transition in 42Ca, 46Ti, and 18O

E Ha, MK Cheoun, H Sagawa - Progress of Theoretical and …, 2022 - academic.oup.com
We investigate the tensor force (TF) effect on the Gamow–Teller (GT) transition strength
distributions in 42Ca, 46Ti, and 18O, which are known to have strong low-energy GT states …

Gamow-Teller strength distributions in and in the well-deformed nuclei by deformed quasiparticle random-phase approximation

E Ha, MK Cheoun, H Sagawa, G Colò - Physical Review C, 2024 - APS
We investigate the Gamow-Teller (GT) transition strength distributions of strongly deformed
nuclei, Mg 24, 26, as well as of O 18. The calculations are performed within a deformed …

Experimental study of Gamow-Teller transitions via the high-energy-resolution reaction: Identification of the low-energy “super” -Gamow-Teller state

H Fujita, Y Fujita, Y Utsuno, K Yoshida, T Adachi… - Physical Review C, 2019 - APS
Using the high-resolution O 18 (He 3, t) F 18 reaction at 0∘ and at 140 MeV/nucleon,
Gamow-Teller (GT) transitions were studied. A high energy resolution of 31 keV was …

Effects of Residual Tensor and Pairing Forces on the Gamow–Teller states in Magic Nuclei, 48Ca, 90Zr, 132Sn, and 208Pb

E Ha, MK Cheoun, H Sagawa - Progress of Theoretical and …, 2024 - academic.oup.com
We investigate the effects of residual tensor force (TF) and pairing force on the Gamow–
Teller (GT) transitions in four magic nuclei, 48 Ca, 90 Zr, 132 Sn and 208 Pb. The TF is taken …

s-wave resonances for the 18F(p,)15O reaction in novae

D Kahl, PJ Woods, Y Fujita, H Fujita, K Abe… - The European Physical …, 2019 - Springer
The 18 F (p, α α) reaction determines the rate of destruction of 18 F in novae. It represents
the key nuclear physics uncertainty in modelling the calculated flux of annihilation radiation …

Low-energy super Gamow–Teller (LeSGT) and anti-LeSGT transitions: Hindered “allowed decay” of C as an anti-LeSGT transition

Y Fujita, Y Utsuno, H Fujita - The European Physical Journal A, 2020 - Springer
The LS-closed doubly-magic nuclei (DMN)^ 4 _ 2 He _ 2 2 4 He 2,^ 16 _\;\, 8 O _ 8 8 16 O 8,
and^ 40 _ 20 Ca _ 20 20 40 Ca 20 behave as inert cores for Gamow–Teller (GT) excitations …

Constraining the solar neutrino survival probability curve by using , , , , , and nuclear targets

Y Fujita, K Zuber, H Fujita - Physical Review D, 2021 - APS
Precise measurement of the survival probability P ee of solar electron neutrino (ν e) as a
function of its energy [P ee (E ν e)] is one of the key issues in neutrino physics. Current P ee …