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Related papers: Strangeness -2 and -3 Baryons in a Constituent Qua…

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We derive strangeness -2 baryon-baryon interactions from a chiral constituent quark model including the full set of scalar mesons. The model has been tuned in the strangeness 0 and -1 two-baryon systems, providing parameter free predictions…

High Energy Physics - Phenomenology · Physics 2014-11-21 A. Valcarce , H. Garcilazo , T. F. Carames

In this paper we investigate an SU(3) extension of the chiral quark-meson model. The spectra of baryons with strangeness, charm and bottom are considered within a "rigid oscillator" version of this model. The similarity between the quark…

High Energy Physics - Phenomenology · Physics 2009-10-31 V. B. Kopeliovich , M. S. Sriram

A family of simply solvable covariant quark models for the baryons is presented. With optimal parameter choices the models reproduce the empirical spectra of the baryons in all flavor sectors to an accuracy of a few percent. Complete…

High Energy Physics - Phenomenology · Physics 2011-01-27 F. Coester , K. Dannbom , D. O. Riska

Hadron spectroscopy is an important tool towards the study of internal quark dynamics in a composite system. The present article focuses on the study of resonance spectra of strange baryons with S=-2, -3. The non-relativistic approach…

High Energy Physics - Phenomenology · Physics 2024-04-30 Chandni Menapara , Ajay Kumar Rai

Mass spectra of strange baryons are calculated in the framework of the relativistic quark model based on the quasipotential approach. Baryons are treated as the relativistic quark-diquark bound systems. It is assumed that two quarks with…

High Energy Physics - Phenomenology · Physics 2016-10-28 R. N. Faustov , V. O. Galkin

We investigate the structure of the SU(3) octet and decuplet baryons employing a constituent quark model designed for the study of the baryon-baryon interaction and successfully applied to the meson spectra. The model considers through the…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. Valcarce , H. Garcilazo , J. Vijande

We describe the relativistic interacting quark-diquark model formalism and its application to the calculation of strange and nonstrange baryon spectra. The results are compared to the existing experimental data. We also discuss the…

High Energy Physics - Phenomenology · Physics 2018-01-03 M. De Sanctis , J. Ferretti , R. Magaña Vsevolodovna , P. Saracco , E. Santopinto

The recent Investigations in the chiral quark model show that kaon productions of nucleon play an important role in understanding the structure of baryons. The evidences of a third $S_{11}$ resonance in the second resonance region and two…

Nuclear Theory · Physics 2009-10-30 Zhenping Li

The structures of $N\Omega_{(2,1/2)}$ and $\Delta\Omega_{(3,3/2)}$ with strangeness $s=-3$ are dynamically studied in both the chiral SU(3) quark model and the extended chiral SU(3) quark model by solving a resonating group method (RGM)…

Nuclear Theory · Physics 2007-05-23 Dai Lian-Rong , Zhang Dan , Li Chun-Ran , Tong Lei

Strangeness contents of baryons are calculated within rigid rotator model for arbitrary number of colors $N_c$. The problem of extrapolation to realistic value $N_c=3$ is noted, based on explicit calculations and comparison of rigid rotator…

High Energy Physics - Phenomenology · Physics 2009-11-11 Vladimir B. Kopeliovich , Andrei M. Shunderuk

We present a chiral constituent quark model for light and strange baryons providing a unified description of their ground states and excitation spectra. The model relies on constituent quarks and Goldstone bosons arising as effective…

High Energy Physics - Phenomenology · Physics 2009-10-30 L. Ya. Glozman , W. Plessas , K. Varga , R. F. Wagenbrunn

The strange quark plays a unique role in QCD, reflecting its intermediate mass between the light and heavy quarks. In recent years, remarkable progress has been made in the spectroscopy of baryons with strangeness. Many new features of the…

High Energy Physics - Phenomenology · Physics 2021-07-14 Tetsuo Hyodo , Masayuki Niiyama

Single- and double- heavy baryons are studied in the constituent quark model. The model Hamiltonian is chosen as a standard one with two exceptions : (1) The color-Coulomb term depend on quark masses, and (2) an antisymmetric $LS$ force is…

High Energy Physics - Phenomenology · Physics 2016-01-06 Tetsuya Yoshida , Emiko Hiyama , Atsushi Hosaka , Makoto Oka , Katsunori Sadato

We extract, from a quark model potential that reproduces the number and ordering of nonstrange baryonic resonances up to 2.3 GeV, the quantum numbers for the dominant configurations in the ground and first non-radial excited states. From…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. Gonzalez , J. Vijande , A. Valcarce , H. Garcilazo

We review the application of non-relativistic constituent quark models to study one, two and three non-strange baryon systems. We present results for the baryon spectra, potentials and observables of the NN, N$\Delta$, $\Delta\Delta$ and…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Valcarce , H. Garcilazo , F. Fernandez , P. Gonzalez

Constituent quark models provide a reasonable description of the baryon mass spectra. However, even in the light- and strange-flavor sectors several intriguing shortcomings remain. Especially with regard to strong decays of baryon…

Nuclear Theory · Physics 2008-11-26 T. Melde , W. Plessas

We treat baryons as bound states of scalar or axialvector diquarks and a constituent quark which interact through quark exchange. We obtain fully four-dimensional wave functions for both octet and decuplet baryons as solutions of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Alkofer , S. Ahlig , C. Fischer , M. Oettel , H. Reinhardt

This paper reviews different aspects of hadronic systems with strange quarks. It reviews production, spectroscopy and decay of baryons and hypernuclei with emphasis on recent results obtained in this field. It includes a comparison of…

High Energy Physics - Phenomenology · Physics 2009-10-31 Stephan Paul

The precision reached by recent lattice QCD results allows for the first time to investigate whether the measured hadronic spectrum is missing some additional strange states, which are predicted by the Quark Model but have not yet been…

The $q\bar q$ spectrum is studied in a generalized constituent quark model constrained in the study of the $NN$ phenomenology and the baryon spectrum. An overall good fit to the available experimental data is obtained. A detailed analysis…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Vijande , F. Fernandez , A. Valcarce
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