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相关论文: $A$--Dependence of $\Lambda\Lambda$ Bond Energies …

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The light double $\Lambda$ hypernuclei, ${}_{\Lambda\Lambda}^{\ \ 4}$H and ${}_{\Lambda\Lambda}^{\ \ 6}$He, are studied as three-body $\Lambda\Lambda d$ and $\Lambda\Lambda\alpha$ cluster systems in halo/cluster effective field theory at…

核理论 · 物理学 2016-05-02 Shung-Ichi Ando

Variational Monte-Carlo calculations are carried out for ${_{\Lambda\Lambda}^4}H$ to explore on the possibility of its existence, using realistic NN, NNN, and phenomenological {\Lambda}N and {\Lambda}NN interactions. We also perform…

核理论 · 物理学 2025-02-27 Bhupali Sharma

We extend the relativistic point coupling model to single-$\Lambda$ hypernuclei. For this purpose, we add $N$-$\Lambda$ effective contact couplings to the model Lagrangian, and determine the parameters by fitting to the experimental data…

核理论 · 物理学 2015-06-03 Y. Tanimura , K. Hagino

A rigorous formalism for determining the electric dipole polarizability of a three-hadron bound complex in the case that the system has only one bound (ground) state has been elaborated. On its basis, by applying a model wave function that…

核理论 · 物理学 2008-11-18 V. F. Kharchenko , A. V. Kharchenko

We investigate short range correlations in nuclear and hypernuclear matter. Self-energies due to short range correlations and their influence on the nucleon and $\Lambda$-hyperon spectral functions are described in an approach accounting…

核理论 · 物理学 2008-11-26 P. Konrad , H. Lenske

Binding energies of ^{3}H, ^{4}He, and ^{16}O are calculated, using low-momentum nucleon-nucleon interactions (V_{low-k}) for a wide range of the cutoff momentum \Lambda. In addition, single-particle energies in nuclei around ^{16}O are…

核理论 · 物理学 2017-08-23 S. Fujii , H. Kamada , R. Okamoto , K. Suzuki

The large charge symmetry breaking (CSB) implied by the $\Lambda$ binding energy difference $\Delta B^{4}_{\Lambda}(0^+_{\rm g.s.})\equiv B_{\Lambda}(_{\Lambda}^4$He)$-$$B_{\Lambda}(_{\Lambda}^4$H) = 0.35$\pm$0.06 MeV of the $A=4$ mirror…

核理论 · 物理学 2015-04-21 Avraham Gal

Nucleus-nucleus interaction potentials in heavy-ion fusion reactions are extracted from the microscopic time-dependent Hartree-Fock theory. When the center-of-mass energy is much higher than the Coulomb barrier energy, extracted potentials…

核理论 · 物理学 2009-11-13 Kouhei Washiyama , Denis Lacroix

The binding energies of neutron rich strangeness $S=-1$ hypernuclei are estimated in the chiral soliton approach using the bound state rigid oscillator version of the SU(3) quantization model. Additional binding of strange hypernuclei in…

核理论 · 物理学 2015-06-04 Vladimir B. Kopeliovich

The relativistic mean-field theory with Green's function method is extended to study $\Lambda$ hypernuclei. Taking hypernucleus $^{61}_{\Lambda}$Ca as an example, the single-particle resonant states for $\Lambda$ hyperons are investigated…

核理论 · 物理学 2017-06-07 Su-Hong Ren , Ting-Ting Sun , Wei Zhang

The three-body force is indispensable in nuclear energy density functionals which leads to a density dependent two-body term in the Hartree-Fock approach. Usually a single factional power of density dependency has been adopted. We consider…

核理论 · 物理学 2016-02-17 Xueyu Xiong , Junchen Pei , Wenjun Chen

In this paper, we presented the ground state energies calculated for some single and double cascade hyperon(${\Xi}^{-}$) hypernuclei. For hypernuclei of the type $_{\Xi}^{A_c+1}$X we applied $\Xi+^A_c$X two-body model and for hypernuclei of…

核理论 · 物理学 2020-12-04 Md. A. Khan , M. Alam , M. Hasan , S. H. Mondal

We examine the $\Lambda$-${}^4\mathrm{He}$ ($\alpha$) and $\Xi \alpha$ momentum correlation in high-energy collisions to further elucidate the properties of the hyperon-nucleon interactions. For the $\Lambda\alpha$ system, we compare…

核理论 · 物理学 2025-01-20 Asanosuke Jinno , Yuki Kamiya , Tetsuo Hyodo , Akira Ohnishi

Charge symmetry breaking (CSB) in the $\Lambda$-nucleon strong interaction generates a charge dependence of $\Lambda$ separation energies in mirror hypernuclei, which in the case of the $A=4$ mirror hypernuclei $0^+$ ground states is…

核理论 · 物理学 2016-08-05 Daniel Gazda , Avraham Gal

We calculate self-consistent single-nucleon and single-Lambda potentials in hyperonic matter for different Lambda concentrations. The predictions include relativistic Dirac effects as reported previously in a calculation of the Lambda…

核理论 · 物理学 2008-04-24 Francesca Sammarruca

The bound state of \nuclide[6][\Lambda\Lambda]{He} is studied as a three-body ($\Lambda\Lambda\alpha$) system in a cluster effective field theory at leading order (LO). We find that the system exhibits the limit cycle which is associated…

核理论 · 物理学 2016-04-20 S. -I. Ando , Y. Oh

The ground state and first intrinsic excited state of superheavy nuclei with Z=120 and N=160-204 are investigated using both non-relativistic Skyrme-Hartree-Fock and the axially deformed Relativistic Mean Field formalisms. We employ a…

核理论 · 物理学 2012-10-04 Shakeb Ahamad , M. Bhuyan , S. K. Patra

The structure of heavy hyperhydrogen $^6_{\Lambda}$H is studied within the framework of a $tnn\Lambda$ four-body cluster model. Interactions among the constituent subunits are determined so as to reproduce reasonably well the observed…

核理论 · 物理学 2015-06-15 E. Hiyama , S. Ohnishi , M. Kamimura , Y. Yamamoto

Rearrangement effects in light hypernuclei are investigated in the framework of the Brueckner theory. We can estimate without detailed numerical calculations that the energy of the $\alpha$-core is reduced by more than 2.5 MeV when the…

核理论 · 物理学 2009-11-10 M. Kohno , Y. Fujiwara , Y. Akaishi

The structure of neutron-rich $\Lambda$ hypernucleus, $^7_{\Lambda}$He is studied within the framework of an $\alpha +\Lambda +n+n$ four-body cluster model. We predict second $3/2^+$ and $5/2^+$ states, corresponding to a $0s$ $\Lambda$…

核理论 · 物理学 2015-06-11 E. Hiyama , M. Isaka , M. Kamimura , T. Myo , T. Motoba