T. Motoba

activity

19972020

most citedEvidence of Xi hypernuclear production in the ^{12}C(K^-,K^+)^{12}_{Xi}Be reaction

237 citations · 902 across the 20 of their papers we have counts for

collaborators

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18 papers · 1 filter

nucl-th2020★ 15 cited

Low-lying level structure of $Λ$ hypernuclei and spin dependence of $Λ N$ interaction with antisymmetrized molecular dynamics

Masahiro Isaka, Yasuo Yamamoto, Toshio Motoba

$Λ N$ spin-spin and spin-orbit splittings in low-lying excitation spectra are investigated for $p$ -shell $Λ$ hypernuclei on the basis of the microscopic structure calculation within…

nucl-th2018★ 3 cited

Relativistic Mean-Field and Beyond Approaches for Deformed Hypernuclei

J. M. Yao, H. Mei, K. Hagino +1

We report the recent progress in relativistic mean-field (RMF) and beyond approaches for the low-energy structure of deformed hypernuclei. We show that the $Λ$ hyperon with orbital…

nucl-th2018★ 22 cited

Disappearance of nuclear deformation in hypernuclei: a perspective from a beyond-mean-field study

H. Mei, K. Hagino, J. M. Yao +1

The previous mean-field calculation [Myaing Thi Win and K. Hagino, Phys. Rev. C{\bf 78}, 054311 (2008)] has shown that the oblate deformation in $^{28, 30, 32}$ Si disappears when a $…

nucl-th2018

Energy spectra in $p$ -shell $Λ$ hypernuclei and $_{Λ}^{19} F$ and spin-dependent $Λ N$ interactions

Yoshiko Kanada-En'yo, Masahiro Isaka, Toshio Motoba

Energy spectra of $0 s$ -orbit $Λ$ states in $p$ -shell $Λ$ hypernuclei ( $_{Λ}^{A} Z$ ) and those in $_{Λ}^{19} F$ are studied with the microscopic cluster model and antisymmetrized…

nucl-th2017★ 6 cited

Transition from vibrational to rotational characters in low-lying states of hypernuclei

H. Mei, K. Hagino, J. M. Yao +1

In order to clarify the nature of hypernuclear low-lying states, we carry out a comprehensive study for the structure of $_{Λ}^{144 - 154}$ Sm-hypernuclei, which exhibit a tra…

nucl-th2016★ 13 cited

Low-energy hypernuclear spectra with microscopic particle-rotor model with relativistic point coupling hyperon-nucleon interaction

H. Mei, K. Hagino, J. M. Yao +1

We extend the microscopic particle-rotor model for hypernuclear low-lying states by including the derivative and tensor coupling terms in the point-coupling nucleon- $Λ$ particle ($…

nucl-th2015

Beyond-mean-field approach to low-lying spectra of $Λ$ hypernuclei

K. Hagino, H. Mei, J. M. Yao +1

Taking the hypernucleus $_{Λ}^{13}$ C as an example, we illustrate the miscroscopic particle-rotor model for low-lying spectra of hypernuclei. This approach is based on the beyond-…

nucl-th2015★ 24 cited

Resonant states of neutron-rich $Λ$ hypernucleus $_{Λ}^{7}$ He

E. Hiyama, M. Isaka, M. Kamimura +2

The structure of neutron-rich $Λ$ hypernucleus, $_{Λ}^{7}$ He is studied within the framework of an $α + Λ + n + n$ four-body cluster model. We predict second $3/ 2^{+}$ and $5/ 2^{+}$ states, corr…

nucl-th2015

Microscopic study of low-lying spectra of $Λ$ hypernuclei based on a beyond-mean-field approach with covariant energy density functional

H. Mei, K. Hagino, J. M. Yao +1

We present a detailed formalism of the microscopic particle-rotor model for hypernuclear low-lying states based on a covariant density functional theory. In this method, the hypern…

nucl-th2014★ 32 cited

Microscopic particle-rotor model for low-lying spectrum of Lambda hypernuclei

H. Mei, K. Hagino, J. M. Yao +1

We propose a novel method for low-lying states of hypernuclei based on the particle-rotor model, in which hypernuclear states are constructed by coupling the hyperon to low-lying s…

nucl-th2010★ 78 cited

Five-body cluster structure of double- $Λ$ hypernucleus $_{ΛΛ}^{11}$ Be

E. Hiyama, M. Kamimura, Y. Yamamoto +1

Energy levels of the double $Λ$ hypernucleus, $_{ΛΛ}^{11}$ Be are calculated within the framework of an $α α n ΛΛ$ five-body model. Interactions between constituent particles are dete…

nucl-th2009★ 73 cited

Structure of A=7 iso-triplet $Λ$ hypernuclei studied with he four-body model

E. Hiyama, Y. Yamamoto, T. Motoba +1

The structure of the T=1 iso-triplet hypernuclei, $_{Λ}^{7}$ He, $_{Λ}^{7}$ Li and $_{Λ}^{7}$ Be within the framework of an $α + Λ + N + N$ four-body cluster model is studied. Interactions between the…

nucl-th2008★ 51 cited

Light $Ξ$ hypernuclei in four-body cluster models

E. Hiyama, Y. Yamamoto, T. Motoba +2

Detailed structure calculations in $_{Ξ^{-}}^{12}$ Be, $_{Ξ^{-}}^{5}$ H, $_{Ξ^{-}}^{9}$ Li, $_{Ξ^{-}}^{7}$ H and $_{Ξ^{-}}^{10}$ Li are performed within the framework of the microsc…

nucl-th2007

Photo- and electro-production of medium mass Lambda-hypernuclei

P. Bydzovsky, M. Sotona, T. Motoba +3

The characteristic and selective nature of the electro-magnetic production of Lambda-hypernuclei in exciting states is demonstrated assuming the medium-mass targets 28Si, 40Ca, and…

nucl-th2002★ 156 cited

Four-body cluster structure of $A = 7 - 10$ double- $Λ$ hypernuclei

E. Hiyama, M. Kamimura, T. Motoba +1

Energy levels of the double- $Λ$ hypernuclei $_{Λ}$ $_{Λ}^{7}$ He, $_{Λ}$ $_{Λ}^{7}$ Li, $_{Λ}$ $_{Λ}^{8}$ Li, $_{Λ}$ $_{Λ}^{9}$ Li, $_{Λ}$ $_{Λ}^{9}$ Be and $_{Λ}$ $_{Λ}^{10}$ Be are predicted on the basis of…

nucl-th2001★ 13 cited

$Ξ^{-}$ emission probabilities at $(K^{-}, K^{+})$ reaction points and the $Ξ N$ interaction

Y. Yamamoto, T. Tamagawa, T. Fukuda +1

$Ξ^{-}$ escaping and scattering probabilities in the $(K^{-}, K^{+})$ reaction with nuclear targets is investigated on the basis of the eikonal approximation. Calculations are performed u…

nucl-th2001★ 77 cited

`` $Λ - Σ$ conversion in $_{Λ}^{4}$ He and $_{Λ}^{4}$ H based on four-body calculation

E. Hiyama, M. Kamimura, T. Motoba +2

Precise four-body calculations for $_{Λ}^{4}$ He and $_{Λ}^{4}$ H have been performed in the framework of the variational method with Jacobian-coordinate Gaussian-basis functions. All the re…

nucl-th1997★ 48 cited

Non-mesonic Weak Decays of Light Hypernuclei in the Direct Quark and the One-Pion Exchange Mechanisms

T. Inoue, M. Oka, T. Motoba +1

Contributions of the direct quark mechanism are studied in the nonmesonic weak decays of light hypernuclei. The $Λ N \to N N$ transition is described by the one pion exchange mechani…

Low-lying level structure of Λ hypernuclei and spin dependence of ΛN interaction with antisymmetrized molecular dynamics

Relativistic Mean-Field and Beyond Approaches for Deformed Hypernuclei

Disappearance of nuclear deformation in hypernuclei: a perspective from a beyond-mean-field study

Energy spectra in p-shell Λ hypernuclei and Λ19​F and spin-dependent ΛN interactions

Transition from vibrational to rotational characters in low-lying states of hypernuclei

Low-energy hypernuclear spectra with microscopic particle-rotor model with relativistic point coupling hyperon-nucleon interaction

Beyond-mean-field approach to low-lying spectra of Λ hypernuclei

Resonant states of neutron-rich Λ hypernucleus Λ7​He

Microscopic study of low-lying spectra of Λ hypernuclei based on a beyond-mean-field approach with covariant energy density functional

Microscopic particle-rotor model for low-lying spectrum of Lambda hypernuclei

Five-body cluster structure of double-Λ hypernucleus ΛΛ11​Be

Structure of A=7 iso-triplet Λ hypernuclei studied with he four-body model

Light Ξ hypernuclei in four-body cluster models

Photo- and electro-production of medium mass Lambda-hypernuclei

Four-body cluster structure of A=7−10 double-Λ hypernuclei

Ξ− emission probabilities at (K−,K+) reaction points and the ΞN interaction

`` Λ−Σ conversion in Λ4​He and Λ4​H based on four-body calculation

Non-mesonic Weak Decays of Light Hypernuclei in the Direct Quark and the One-Pion Exchange Mechanisms

Low-lying level structure of $Λ$ hypernuclei and spin dependence of $Λ N$ interaction with antisymmetrized molecular dynamics

Energy spectra in $p$ -shell $Λ$ hypernuclei and $_{Λ}^{19} F$ and spin-dependent $Λ N$ interactions

Beyond-mean-field approach to low-lying spectra of $Λ$ hypernuclei

Resonant states of neutron-rich $Λ$ hypernucleus $_{Λ}^{7}$ He

Microscopic study of low-lying spectra of $Λ$ hypernuclei based on a beyond-mean-field approach with covariant energy density functional

Five-body cluster structure of double- $Λ$ hypernucleus $_{ΛΛ}^{11}$ Be

Structure of A=7 iso-triplet $Λ$ hypernuclei studied with he four-body model

Light $Ξ$ hypernuclei in four-body cluster models

Four-body cluster structure of $A = 7 - 10$ double- $Λ$ hypernuclei

$Ξ^{-}$ emission probabilities at $(K^{-}, K^{+})$ reaction points and the $Ξ N$ interaction

`` $Λ - Σ$ conversion in $_{Λ}^{4}$ He and $_{Λ}^{4}$ H based on four-body calculation