Publications (35)
Neutron skin thickness of Sn determined from reaction cross sections of proton scattering
Shingo Tagami, Tomotsugu Wakasa, Masanobu Yahiro
The cross sections of SDR in the Sb isotopes have been measured. Within the model used, the neutron-skin thicknesses deduced fm for $^{116}…
Rotational motion of triaxially deformed nuclei studied by microscopic angular-momentum-projection method II: Chiral doublet band
Mitsuhiro Shimada, Yudai Fujioka, Shingo Tagami +1
In the sequel of the present study, we have investigated the rotational motion of triaxially deformed nucleus by using the microscopic framework of angular-momentum projection. The…
-matrix folding-model approach to reaction cross sections for scattering of Ca isotopes on a C target
Shingo Tagami, Masaomi Tanaka, Maya Takechi +2
We first predict the ground-state properties of Ca isotopes, using the Gogny-D1S Hartree-Fock-Bogoliubov (GHFB) with and without the angular momentum projection (AMP). We find that…
The suggested presence of the tetrahedral-symmetry in the ground-state configuration of the Zr nucleus
Jerzy Dudek, Dominique Curien, David Rouvel +3
We discuss the predictions of the large scale calculations using the realistic realisation of the phenomenological nuclear mean-field theory. Calculations indicate that certain Zir…
Skin values of Pb and Ca determined from reaction cross sections (published in Results in Physics)
Tomotsugu Wakasa, Shingo Tagami, Masanobu Yahiro
The PREX and the CREX group reported their skin values. Using the Love-Franey (LF) -matrix folding model with the neutron and proton densities scaled to the neutron radius $r_{\…
Microscopic study of tetrahedrally symmetric nuclei by an angular-momentum and parity projection method
Shingo Tagami, Yoshifumi R. Shimizu, Jerzy Dudek
We study the properties of the nuclear rotational excitations with hypothetical tetrahedral symmetry by employing the microscopic mean-field and residual-interaction Hamiltonians w…
Efficient method to perform quantum number projection and configuration mixing for most general mean-field states
Shingo Tagami, Yoshifumi R. Shimizu
Combining several techniques, we propose an efficient and numerically reliable method to perform the quantum number projection and configuration mixing for most general mean-field…
Neutron skin thickness for Pb, Tb and effects of deformation on matter radii for Mg, Na, Ar isotopes
Shingo Tagami, Takaykui Myo, Masanobu Yahiro
Data on reaction cross section of proton scattering are available for Pb (natural lead) and Tb. In addition, data on and/or interaction on…
Reaction mechanism in odd-even staggering of reaction cross sections
Satoru Sasabe, Takuma Matsumoto, Shingo Tagami +4
It was recently suggested that the odd-even staggering of reaction cross sections is an evidence of the pair- ing anti-halo effect on projectile radii. We define the dimensionless…
Neutron-skin values and matter and neutron radii determined from reaction cross sections of proton scattering on C, Ca, Ni, Pb
Tomotsugu Wakasa, Shingo Tagami, Jun Matsui +2
Very lately, the PREX and the CREX collaboration present skin values, and $r_…
Matter radii and skins of He from reaction cross section of proton+He scattering based on the Love-Franey -matrix model (published in Results in Physics)
Tomotsugu Wakasa, Maya Takechi, Shingo Tagami +1
For He, Tanihata et al. determined matter radii ~fm from interaction cross sections for He scattering…
Realistic description of the rotational bands in rare earth nuclei by angular-momentum-projected multi-cranked configuration-mixing method
Mitsuhiro Shimada, Shingo Tagami, Yoshifumi R. Shimizu
Recently we have proposed a reliable method to describe the rotational band in a fully microscopic manner. The method has recourse to the configuration-mixing of several cranked me…
Deformation of Ne isotopes in the island-of-inversion region
Takenori Sumi, Kosho Minomo, Shingo Tagami +5
The deformation of Ne isotopes in the island-of-inversion region is determined by the double-folding model with the Melbourne -matrix and the density calculated by the antisymme…
Neutron skin thickness of Pb determined from reaction cross section for proton scattering
Shingo Tagami, Tomotsugu Wakasa, Jun Matsui +2
The reaction cross section is useful to determine the neutron radius as well as the matter radius . The chiral (Kyushu) -matrix folding model for C scat…
Folding-model approach to reaction cross section of He+C scattering at 790 MeV (published in Results in Physics)
Shingo Tagami, Tomotsugu Wakasa, Maya Takechi +2
Tanihata {\it et al.} determined matter radii for He from interaction cross sections of He+C scattering at 790 MeV per n…
Tetrahedral symmetry in Zr nuclei: Calculations of low-energy excitations with Gogny interaction
Shingo Tagami, Yoshifumi R Shimizu, Jerzy Dudek
We report on the results of the calculations of the low energy excitation patterns for three Zirconium isotopes, viz. Zr, Zr and Zr, repo…
Simultaneous analysis of matter radii, transition probabilities, and excitation energies of Mg isotopes by angular-momentum-projected configuration-mixing calculations
Mitsuhiro Shimada, Shin Watanabe, Shingo Tagami +3
We perform simultaneous analysis of (1) matter radii, (2) transition probabilities, and (3) excitation energies, and , for …
Reaction cross section of proton scattering consistent with PREX-II (published in Results in Physics)
Tomotsugu Wakasa, Shingo Tagami, Jun Matsui +2
Background: The neutron skin thickness of PREX-II is presented in Phys. Rev. Lett. {\bf 126}, 172502 (2021). The reaction cross section is useful to…
Slope parameters determined from CREX and PREX2 (published in Results in Physics)
Shingo Tagami, Tomotsugu Wakasa, Masanobu Yahiro
[Background] Very lately, the CREX group presents a skin value ~fm. Meanwhil…
Neutron skin thickness of Pb, Sn, and Ca determined from reaction cross sections of He scattering
Masayuki Matsuzaki, Shingo Tagami, Masanobu Yahiro
[Background] We constructed the Kyushu chiral -matrix and confirmed its reliability at ~MeV and ~MeV…
Determination of matter radius and neutron-skin thickness of Ni from reaction cross section of proton scattering on Ni targets (published in Results in Physics)
Shingo Tagami, Tomotsugu Wakasa, Masanobu Yahiro
In our previous work, we determined matter radii and neutron-skin thickness from reaction cross sections of…
First order Coriolis-coupling for rotational spectrum of a tetrahedrally-deformed core plus one-particle system
Shingo Tagami, Yoshifumi R. Shimizu, Jerzy Dudek
The possible existence of shape-coexisting nuclear configurations with tetrahedral symmetry is receiving an increasing attention due to unprecedented nuclear structure properties,…
Angular momentum projected multi-cranked configuration mixing for reliable calculation of high-spin rotational bands
Mitsuhiro Shimada, Shingo Tagami, Yoshifumi R. Shimizu
By employing the angular momentum projection technique we propose a method to reliably calculate the quantum spectrum of nuclear collective rotation. The method utilizes several cr…
Skin values and matter radii of Pb and Ni based on reaction cross section of He scattering (published in Results in Physics)
Shingo Tagami, Tomotsugu Wakasa, Masanobu Yahiro
The PREX group reported a new skin value, . Using the chiral (Kyushu) -matrix folding model with the proton and neutro…
Neutron skin in Ca determined from p+Ca and Ca+C scattering
Shingo Tagami, Tomotsugu Wakasa, Maya Takechi +2
In our previous paper, we determined ~fm from for p+Pb scattering, using the Kyushu (chiral) -matrix folding…
Neutron skin determined from reaction cross section of proton+Ca scattering
Shingo Tagami, Maya Takechi, Jun Matsui +2
{\bf Background:} Using the chiral (Kyushu) -matrix folding model with the densities calculated with GHFB+AMP, we determined fm from the central values…
Determination of symmetry energy from experimental and observational constraints; prediction on CREX
Shingo Tagami, Nobutoshi Yasutake, Mitsunori Fukuda +2
Taking as an experimental constraint and as an observational (astrophys…
Neutron skin of Ca consistent with experimental data on skins
Shingo Tagami, Jun Matsui, Maya Takechi +1
[Background]: In our previous paper, we predicted , , , for Ca after determining the neutron dripline, using the Gog…
Ground-state properties of neutron-rich Mg isotopes
Shin Watanabe, Kosho Minomo, Mitsuhiro Shimada +9
We analyze recently-measured total reaction cross sections for 24-38Mg isotopes incident on 12C targets at 240 MeV/nucleon by using the folding model and antisymmetrized molecular…
C+C scattering as the reference system for reaction cross section
Shingo Tagami, Tomotsugu Wakasa, Masanobu Yahiro
In our previous paper, we tested the chiral (Kyushu) folding model for C+C scattering, since the profile function in the Glauber mode is constructed for the system. W…
Neutron skin thickness for Pb from total cross sections of neutron scattering at 14.137 MeV and neutron skin thickness for Ca, O, N, C isotopes from reaction and interaction cross sections
Shingo Tagami, Takayuki Myo, Masanobu Yahiro
Foster {\it et al.} measured total neutron cross sections of n+Pb scattering at MeV. Carlson {\it et al.} measured for +Ca scatt…
Importance of multicranked configuration mixing for angular-momentum-projection calculations: Study of superdeformed rotational bands in Dy and Hg
Masaki Ushitani, Shingo Tagami, Yoshifumi R. Shimizu
Recently we have investigated an effective method of multicranked configuration-mixing for angular-momentum-projection calculation, where several cranked mean-field states are coup…
Rotational motion of triaxially deformed nuclei studied by microscopic angular-momentum-projection method I: Nuclear wobbling motion
Mitsuhiro Shimada, Yudai Fujioka, Shingo Tagami +1
Rotation of triaxially deformed nucleus has been an interesting subject in the study of nuclear structure. In the present series of work, we investigate wobbling motion and chiral…
Infinitesimal cranking for triaxial angular-momentum-projected configuration-mixing calculation and its application to the gamma vibrational band
Shingo Tagami, Yoshifumi R. Shimizu
Inclusion of time-odd components into the wave function is important for reliable description of rotational motion by the angular-momentum-projection method; the cranking procedure…
Determination of matter radius and neutron skin of Ni from reaction cross section of proton+Ni scattering based on chiral -matrix model
Shingo Tagami, Maya Takechi, Jun Matsui +2
Background: Using the chiral (Kyushu) -matrix folding model with the densities calculated with Gogny-HFB (GHFB) with the angular momentum projection (AMP), we determined the cen…