131 citations · 620 across the 27 of their papers we have counts for
27 papers
New concept for pairing anti-halo effect as a localized wave packet of quasi-particle
K. Hagino, H. Sagawa
The pairing anti-halo effect is a phenomenon that a pairing correlation suppresses a divergence of nuclear radius, which happens for single-particle states with orbital angular mom…
Beyond-mean-field approach to low-lying spectra of hypernuclei
K. Hagino, H. Mei, J. M. Yao +1
Taking the hypernucleus C as an example, we illustrate the miscroscopic particle-rotor model for low-lying spectra of hypernuclei. This approach is based on the beyond-…
Enhancement factor for two-neutron transfer reactions with a schematic coupled-channels model
K. Hagino, G. Scamps
Probabilities for two-neutron transfer reactions, , are often discussed in comparison with the square of the corresponding probabilities for one-neutron transfer proces…
Triaxially deformed relativistic point-coupling model for hypernuclei: a quantitative analysis of hyperon impurity effect on nuclear collective properties
W. X. Xue, J. M. Yao, K. Hagino +3
The impurity effect of hyperon on atomic nuclei has received a renewed interest in nuclear physics since the first experimental observation of appreciable reduction of transit…
Two-nucleon Correlations in the Decay of Unbound Nuclei beyond the Drip Lines
K. Hagino, H. Sagawa
We discuss the two-neutron emission decay of O nucleus from a viewpoint of dineutron correlations between the valence neutrons. We first discuss how the dineutron correlatio…
Three-body model calculations for N=Z odd-odd nuclei with T=0 and T=1 pairing correlations
Y. Tanimura, H. Sagawa, K. Hagino
We study the interplay between the isoscalar (T=0) and isovector (T=1) pairing correlations in N=Z odd-odd nuclei from 14N to 58Cu by using three-body model calculations. The stron…
Reaction cross sections of hypernuclei and the shrinkage effect
T. Akaishi, K. Hagino
We calculate the reaction cross sections for and on a target at using the Glauber theory. To this end, we assume…
Competition between =1 and =0 pairing in -shell nuclei with
H. Sagawa, Y. Tanimura, K. Hagino
The pairing correlation energy for two-nucleon configurations with the spin-parity and isospin of , =1 and , =0 are calculated with =1 and =0 pairing…
Role of T=0 pairing in Gamow-Teller states in N=Z nuclei
C. L. Bai, H. Sagawa, M. Sasano +5
Gamow-Teller (GT) states in N=Z nuclei with the mass number A from 48 to 64 are studied by using Hartree-Fock-Bogoliubov + quasi-particle random phase approximation (HFB+QRPA) with…
Pairing correlations in exotic nuclei
H. Sagawa, K. Hagino
The BCS and HFB theories which can accommodate the pairing correlations in the ground states of atomic nuclei are presented. As an application of the pairing theories, we investiga…
Impurity effect of Lambda particle on the structure of 18F and 19F_Lambda
Y. Tanimura, K. Hagino, H. Sagawa
We perform three-body model calculations for a -shell hypernucleus F () and its core nucleus F (), employing a density-dep…
Exotic nuclei far from the stability line
K. Hagino, I. Tanihata, H. Sagawa
The recent availability of radioactive beams has opened up a new era in nuclear physics. The interactions and structure of exotic nuclei close to the drip lines have been studied e…
Reaction cross sections of the deformed halo nucleus 31Ne
Y. Urata, K. Hagino, H. Sagawa
Using the Glauber theory, we calculate reaction cross sections for the deformed halo nucleus Ne. To this end, we assume that the Ne nucleus takes the Ne + …
Odd-even staggering of reaction cross sections for 22,23,24O isotopes
K. Hagino, H. Sagawa
The interaction cross sections of O nuclei at 900 MeV/nucleon have been measured recently by Kanungo {\it et al.}. We show that the odd-even staggering parameter of inter…
Pairing correlations and odd-even staggering in reaction cross sections of weakly bound nuclei
K. Hagino, H. Sagawa
We investigate the odd-even staggering (OES) in reaction cross sections of weakly bound nuclei with a Glauber theory, taking into account the pairing correlation with the Hartree-F…
Impurity effect of hyperon on shape-coexistence nucleus S in the energy functional based collective Hamiltonian
H. Mei, Z. P. Li, J. M. Yao +1
The non-relativistic Skyrme energy density functional (EDF) based collective Hamiltonian, that takes into account dynamical correlations related to the restoration of broken symmet…
Hyperon effects in covariant density functional theory with recent astrophysical observations
W. H. Long, B. Y. Sun, K. Hagino +1
Motivated by recent observational data, the equations of state with the inclusion of strangeness-bearing -hyperons and the corresponding properties of neutron stars are studied,…
Effect of proton-proton Coulomb repulsion on soft dipole excitations of light proton-rich nuclei
T. Oishi, K. Hagino, H. Sagawa
We perform three-body model calculations for soft dipole excitations of the proton-rich Borromean nucleus Ne. To this end, we assume that Ne takes the O+p+p st…
Unveiling pairing anti-halo effect in odd-even staggering in reaction cross sections of weakly bound nuclei
K. Hagino, H. Sagawa
We investigate the spatial extension of weakly bound Ne and C isotopes by taking into account the pairing correlation with the Hartree-Fock-Bogoliubov (HFB) method and a 3-body mod…
Two-neutron halo nuclei in one dimension: dineutron correlation and breakup reaction
K. Hagino, A. Vitturi, F. Perez-Bernal +1
We propose a simple schematic model for two-neutron halo nuclei. In this model, the two valence neutrons move in a one-dimensional mean field, interacting with each other via a den…
Cluster Model For Reactions Induced By Weakly Bound And/Or Exotic Halo Nuclei With Medium-Mass Targets
C. Beck, N. Rowley, P. Papka +14
An experimental overview of reactions induced by the stable, but weakly-bound nuclei 6Li, 7Li and 9Be, and by the exotic, halo nuclei 6He, 8He, 8B, and 11Be on medium-mass targets,…
Effect of pairing correlations on incompressibility and symmetry energy in nuclear matter and finite nuclei
E. Khan, J. Margueron, G. Colo +2
The role of superfluidity in the incompressibility and in the symmetry energy is studied in nuclear matter and finite nuclei. Several pairing interactions are used: surface, mixed…
Reaction mechanisms for weakly-bound, stable nuclei and unstable, halo nuclei on medium-mass targets
C. Beck, N. Rowley, P. Papka +13
An experimental overview of reactions induced by the stable, but weakly-bound nuclei 6Li, 7Li and 9Be, and by the exotic, halo nuclei 6He, 8B, 11Be and 17F on medium-mass targets,…
-decay half-lives at finite temperatures for N=82 isotones
F. Minato, K. Hagino
Using the finite temperature quasi-particle random phase approximation (FTQRPA) on the basis of finite temperature Skyrme-Hartree-Fock + BCS method, we study -decay half-lives…