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Related papers: The Hyperon-Nucleon Interaction Potential in the B…

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The three-nucleon bound state problem is studied employing a nucleon-nucleon potential obtained from a basic quark-quark interaction in a five-channel Faddeev calculation. The obtained triton binding energy is comparable to those predicted…

High Energy Physics - Phenomenology · Physics 2016-08-16 B. Juliá-Díaz , J. Haidenbauer , A. Valcarce , F. Fernández

We present a phenomenological constraint on a pseudovector light boson beyond the Standard Model, which can induce a long-range spin-dependent interaction $\alpha^{\prime\prime}({\bf s}_1\cdot{\bf s}_2)\,{\rm e}^{-\lambda r}/r$. In the…

High Energy Physics - Phenomenology · Physics 2014-11-04 S. G. Karshenboim

In nuclear physics, triton and helium-3 nucleus can be understood as three-body hadronic molecules. Analogous to the loosely bound structures for the triton and helium-3 nucleus, whether there is a bound state formed by three hadrons leaves…

High Energy Physics - Phenomenology · Physics 2020-05-13 Li Ma

Changes of baryon properties in nuclear matter are investigated within the framework of an in-medium modified SU(3) Skyrme model. Introducing the medium functionals in the SU(2) sector and considering the alteration of kaon properties in…

Nuclear Theory · Physics 2018-11-06 Ki-Hoon Hong , Ulugbek Yakhshiev , Hyun-Chul Kim

We investigate the properties of $\Lambda$ hyperon in $\Lambda$-hypernuclei using an effective nuclear density functional theory which is based on the low-energy effective field theory. It expands the energy density in the power of Fermi…

Nuclear Theory · Physics 2022-09-14 Soonchul Choi , Emiko Hiyama , Chang Ho Hyun , Myung-Ki Cheoun

The self--energy of the strange baryon $\Lambda$ in $^{17}$O is calculated using a microscopic many--body approach which accounts for correlations beyond the mean--field or Hartree--Fock approximation. The non-locality and energy-dependence…

Nuclear Theory · Physics 2009-10-30 M Hjorth-Jensen , A Polls , A Ramos , H Muether

We study the nucleon-nucleon (NN) problem as a six-quark system in a nonrelativistic chiral constituent quark model where the Hamiltonian contains a linear confinement and a pseudoscalar meson (Goldstone boson) exchange interaction between…

Nuclear Theory · Physics 2009-10-31 D. Bartz , Fl. Stancu

It is shown how the recent shell-model determination of Lambda-N spin dependent interaction terms in Lambda hypernuclei allows for a reliable deduction of Lambda-Lambda separation energies in Lambda-Lambda hypernuclei across the nuclear p…

Nuclear Theory · Physics 2015-05-27 A. Gal , D. J. Millener

Nearly a recent century of work is divided to Nucleon-Nucleon (NN) interaction issue. We review some overall perspectives of NN interaction with a brief discussion about deuteron, general structure and symmetries of NN Lagrangian as well as…

Nuclear Theory · Physics 2014-08-29 M. Naghdi

We develop a chiral SU(3) RMF model for octet baryons, as an extension of the recently developed chiral SU(2) RMF model with logarithmic sigma potential. For Sigma-meson coupling, strong repulsion(SR) and weak repulsion(WR) cases are…

Nuclear Theory · Physics 2008-11-26 Kohsuke Tsubakihara , Hideki Maekawa , Akira Ohnishi

The SU(2) Skyrme model is reviewed. The model, which considers hadron as soliton (Skyrmion), is used for investigating the nucleon mass and delta mass. Keywords: Skyrme model, soliton, hadron, nucleon mass, delta mass.

High Energy Physics - Phenomenology · Physics 2014-11-21 Miftachul Hadi , Hans Jacobus Wospakrik

The one-boson exchange potential model for $\Lambda_cN$ is constructed and the possibility of $\Lambda_cN$ bound states is examined. We consider an effective Lagrangian for the charmed baryons, $\Lambda_c$, $\Sigma_c$, and $\Sigma_c^*$,…

High Energy Physics - Phenomenology · Physics 2012-01-17 Yan-Rui Liu , Makoto Oka

In this work, we study a continuous quantum system of a mixture of bosons and fermions with the supersymmetry SU(m|n). The particles are confined in a harmonic well and interact with each other through the 1/r2 interaction. The ground state…

Condensed Matter · Physics 2015-06-25 C. A. Piguet , D. F. Wang , C. Gruber

The quark-model baryon-baryon interaction fss2, proposed by the Kyoto-Niigata group, is a unified model for the complete baryon octet (B_8=N, Lambda, Sigma and Xi), which is formulated in a framework of the (3q)-(3q) resonating-group method…

Nuclear Theory · Physics 2009-11-10 Y. Fujiwara , C. Nakamoto , Y. Suzuki , M. Kohno , K. Miyagawa

The three-nucleon bound state problem is studied employing nucleon-nucleon potentials derived from a basic quark-quark interaction. We analyze the effects of the nonlocalities generated by the quark model. The calculated triton binding…

Nuclear Theory · Physics 2016-08-16 B. Juliá-Díaz , F. Fernández , A. Valcarce , J. Haidenbauer

We consider the interaction of two skyrmions in the framework of the sudden approximation. The widely used product ansatz is investigated. Its failure in reproducing an attractive central potential is associated with terms that violate…

Nuclear Theory · Physics 2009-11-06 Isabela P. Cavalcante , Manoel R. Robilotta

s- and p-wave $\Lambda$ single-particle enrgies are obtained for a variety of $\Lambda$ hypernuclei from the relevant self-energy constructed within the framework of a perturbative many-body approach. Results are presented for present…

Nuclear Theory · Physics 2007-05-23 I. Vidaña , A. Polls , A. Ramos , M. Hjorth-Jensen

The Nucleon-Nucleon interaction in the singlet ($^1 S_0$) and triplet ($^3 S_1$) channels have been studied in the framework of Relativistic Harmonic Model using the Resonating Group Method in Born-Oppenheimer approximation. The full…

Nuclear Theory · Physics 2019-01-10 V K Nilakanthan , V C Shastry , S Raghavendra , K B Vijaya Kumar

Inclusive $K^+$ and exclusive $K^+Y$ photoproduction on the deuteron are investigated theoretically. Modern hyperon-nucleon forces and a recently updated kaon photoproduction operator for the $\gamma +N\to K^++Y$ process are used. Sizable…

Nuclear Theory · Physics 2009-10-31 H. Yamamura , K. Miyagawa , T. Mart , C. Bennhold , W. Gloeckle

We obtain the rotational spectrum of strange multibaryon states by performing the SU(3) collective coordinate quantization of the static multi-Skyrmions. These background configurations are given in terms of rational maps, which are very…

High Energy Physics - Phenomenology · Physics 2010-11-19 Carlos L. Schat , Norberto N. Scoccola