73 citations · 176 across the 23 of their papers we have counts for
22 papers · 1 filter
-decay half-lives as an indicator of shape-phase transition in neutron-rich Zr isotopes with particle-vibration coupling effect
Kenichi Yoshida, Yifei Niu, Futoshi Minato
[Background] -decay half-life is sensitive to the shell structure near the Fermi levels. Nuclear deformation thus impacts the -decay properties. [Purpose] A first-order shape…
Postfission properties of uranium isotopes: A hybrid method with Langevin dynamics and the Hauser-Feshbach statistical model
Shyoya Tanaka, Nobuya Nishimura, Futoshi Minato +1
Background: Precise understanding of nuclear fission is crucial for experimental and theoretical nuclear physics, astrophysics, and industrial applications; however, the complete p…
Ground state correlations on ground state densities and total binding energies of 40Ca, 48Ca and 208Pb
F. Minato, H. Sagawa, S. Yoshida
Neutron and proton densities of doubly-closed shell nuclei 40Ca, 48Ca and 208Pb are studied based on a Hartree-Fock model with SAMi, SAMi-J27 and SAMi-T energy density functionals…
Nuclear Many-Body Effect on Particle Emissions Following Muon Capture on Si and Ca
Futoshi Minato, Tomoya Naito, Osamu Iwamoto
Muon captures on nuclei have provided us with plenty of knowledge of nuclear properties. Recently, this reaction attracts attention in electronics, because it is argued that charge…
Calculation of -decay half-lives with Skyrme Hartree-Fock-Bogoliubov+-QRPA and isoscalar pairing strengths optimized by a Bayesian method
Futoshi Minato, Z. M. Niu, Haozhao Liang
For radioactive nuclear data, decay is one of the most important information and is applied to various fields. However, some of the -decay data are not available due to expe…
-Delayed Neutron and Fission Calculations with Relativistic QRPA and Statistical Model
Futoshi Minato, Tomislav Marketin, Nils Paar
A role of β-delayed neutron emission and fission in r-process nucleosynthesis attracts a high interest. Although the number of study on them covering r-process nuclei is increasing…
Theoretical study of isotope productions by muon capture reaction on
Maureen Ciccarelli, Futoshi Minato, Tomoya Naito
The isotope , the generator of used for diagnostic imaging, is supplied by extracting from fission fragments of highly enriched uranium in r…
Statistical properties of thermal neutron capture cross section calculated with randomly generated resonance parameters
N. Furutachi, F. Minato, O. Iwamoto
We investigated the probability distribution of the thermal neutron capture cross section () deduced stochastically with the resonance parameters randomly sampled from Wign…
Phenomenological level density model with hybrid parameterization of deformed and spherical state densities
Naota Furutachi, Futoshi Minato, Osamu Iwamoto
A phenomenological level density model that has different level density parameter sets for the state densities of the deformed and the spherical states, and the optimization of the…
Neutron Energy Dependence of Delayed Neutron Yields and its Assessments
Futoshi Minato
Incident neutron energy dependence of delayed neutron yields of uranium and plutonium isotopes is investigated. A summation calculation of decay and fission yield data is employed,…
Spin-Isospin Properties of Odd-Odd Nuclei from a Core+ Three-Body Model including Core Excitations
Futoshi Minato, Yusuke Tanimura
For odd-odd nuclei, a three-body model assuming two valence particles and an inert core can provide an understanding of pairing correlations in the ground state and spin-isos…
Theoretical investigation of two-particle two-hole effect on spin-isospin excitations through charge-exchange reactions
Tokuro Fukui, Futoshi Minato
Coherent one-particle one-hole (1p1h) excitations have given us effective insights into general nuclear excitations. However, the two-particle two-hole (2p2h) excitation beyond 1p1…
Interference Effect Between Neutron Direct and Resonance Capture Reactions For Neutron-Rich Nuclei
Futoshi Minato, Tokuro Fukui
Interference effect of neutron capture cross section between the compound and direct processes is investigated. The compound process is calculated by resonance parameters and the d…
Proton-neutron random phase approximation studied by the Lipkin-Meshkov-Glick model in the SU(2) SU(2)
Futoshi Minato
We study the proton-neutron RPA with an extended Lipikin-Meshkov-Glick model. We pay attention to the effect of correlated ground state and the case in which neutron and proton num…
Estimation of 2p2h effect on Gamow-Teller transition with Second Tamm-Dancoff-Approximation
Futoshi Minato
Two-particle two-hole (2p2h) effect on the Gamow-Teller (GT) transition for neutron-rich nuclei is studied by the second Tamm-Dancoff approximation (STDA) with the Skyrme interacti…
Sum rule approach to a soft dipole mode in hypernuclei
F. Minato, K. Hagino
Applying the sum rule approach, we investigate the energy of a soft dipole motion in hypernuclei, which results from a dipole oscillation of a hyperon against the core nucl…
Impact of tensor force on β-decay of magic and semi-magic nuclei
F. Minato, C. L. Bai
Effect of the tensor force on ?-decay is studied in the framework of the proton-neutron random-phase-approximation (RPA) with the Skyrme force. The investigation is performed fo…
Application of random phase approximation to vibrational excitations of double- hypernuclei
F. Minato, K. Hagino
Using the Hartree-Fock plus random-phase-approximation (HF+RPA), we study the impurity effect of hyperon on the collective vibrational excitations of double- hypernuclei. To…
Test of finite temperature RPA on a Lipkin model
K. Hagino, F. Minato
We investigate the applicability of finite temperature random phase approximation (RPA) using a solvable Lipkin model. We show that the finite temperature RPA reproduces reasonably…
Thermal effects on the Fission Barrier of neutron-rich nuclei
Futoshi Minato, Kouichi Hagino
We discuss the fission barrier height of neutron-rich nuclei in a r-process site at highly excited state, which is resulted from the beta-decay or the neutron-capture processes. We…
Fission barriers in neutron-proton isospin plane for heavy neutron-rich nuclei
F. Minato, K. Hagino
We discuss the sensitivity of fission barrier for heavy neutron-rich nuclei to fission paths in the two dimensional neutron-proton quadrupole plane. To this end, we use the constra…
Effect of electronic environment on neutrino-nucleus reactions at r-process sites
F. Minato, K. Hagino, N. Takigawa +2
We discuss effects of the electron plasma on charged-current neutrino-nucleus reaction, in a core-collapse supernova environment. We first discuss the electron screenin…