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Within a chiral quark sigma model in which quarks interact via the exchange of sigma and pi-mesons, hadron properties are investigated. This model of the nucleon and delta is based on the idea that strong QCD forces on very short distances…

General Physics · Physics 2011-10-20 M. Rashdan , T. Ali , S. El-Kholy , M. Abu-Shady

New Broer-Kaup type systems of hydrodynamic equations are derived from the derivative reaction-diffusion systems arising in SL(2,R) Kaup-Newell hierarchy, represented in the non-Madelung hydrodynamic form. A relation with the problem of…

Exactly Solvable and Integrable Systems · Physics 2015-03-17 Jyh-Hao Lee , Oktay K. Pashaev

Using a chiral unitary approach for the meson--baryon interactions, we show that two octets of J^{\pi}=1/2^- baryon states, which are degenerate in the limit of exact SU(3) symmetry, and a singlet are generated dynamically. The SU(3)…

Nuclear Theory · Physics 2009-11-10 D. Jido , J. A. Oller , E. Oset , A. Ramos , U. -G. Meißner

We discuss baryon resonances which are dynamically generated in hadron dynamics based on chiral coupled channels approach. With the dynamical description of the baryon resonance, we discuss the origin of the resonance pole, finding that for…

Nuclear Theory · Physics 2012-04-23 Dasiuke Jido

Magnetic moments of baryons are studied within the chiral quark soliton model with special emphasis on the decuplet of baryons. The model is used to identify all symmetry breaking terms proportional to $m_{\rm s}$. Sum rules for the…

High Energy Physics - Phenomenology · Physics 2010-11-19 Hyun-Chul Kim , Michał Praszałowicz , Klaus Goeke

We study the unstable modes of the baryon number two hedgehog of the Skyrme model on a three dimensional spatial lattice. An expansion of the Skyrme Lagrangian around the hedgehog configuration provides the equations of motion for the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Thomas Waindzoch , Jochen Wambach

The possible candidates of $S-$wave dibaryons with various strange numbers are studied under the chiral SU(3) quark model. It is shown that there are three types of baryon-baryon bound states. The states of the first type are called…

Nuclear Theory · Physics 2011-07-19 Q. B. Li , P. N. Shen , Z. Y. Zhang , Y. W. Yu

A hybrid model for baryons based on a dynamical interplay between relativistic three--quark bound states and soliton configurations of mesons is constructed. The Bethe-Salpeter equation for diquarks and the Faddeev equation for…

Nuclear Theory · Physics 2008-11-26 U. Zückert , R. Alkofer , H. Weigel , H. Reinhardt

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

We briefly describe chiral soliton model description of baryons and predictions for exotic antidecuplet. We discuss successful phenomenology which triggered experimental searches and problems which arise in the formal limit of large Nc.

High Energy Physics - Phenomenology · Physics 2007-05-23 Michal Praszalowicz

Mesonic fluctuations around the chiral solitons are investigated in the SU(3) chiral quark soliton model. Since the soliton takes the non-hedgehog shape for the hyperons and the hedgehog one for the non-hedgehog baryons in our approach, the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Satoru Akiyama , Yasuhiko Futami

The Chiral Dilaton Model, where baryons arise as non-topological solitons built from the interaction of quarks and chiral mesons, shows in the high density low temperature regime a two phase scenario in the nuclear matter phase diagram.…

Nuclear Theory · Physics 2015-06-17 Valentina Mantovani Sarti , Vicente Vento

We perform the first study of baryons in holographic QCD with $D4/D8/\bar{D8}$ multi-$D$ brane system in type IIA superstring theory. The baryon is described as a chiral soliton solution in the four-dimensional meson effective action…

High Energy Physics - Theory · Physics 2010-05-12 Kanabu Nawa , Hideo Suganuma , Toru Kojo

The characteristic predictions of chiral soliton models - the Skyrme model and its extentions - are discussed. The chiral soliton models prediction of dibaryon states with masses below NN-pion threshold is in qualitative agreement with…

High Energy Physics - Phenomenology · Physics 2009-11-07 Vladimir Kopeliovich

The implications of chiral symmetry for the quark model are discussed. In particular its connection with the meson-baryon approach is outlined. It is stressed that in the closure approximation, where the intermediate baryon states are used…

High Energy Physics - Phenomenology · Physics 2009-10-31 L. Ya. Glozman

The description of baryons as chiral solitons of the Nambu--Jona--Lasinio (NJL) model is reviewed. A motivation for the soliton description of baryons is provided from large $N_C$ QCD. Rigorous results on the spontaneous breaking of chiral…

High Energy Physics - Phenomenology · Physics 2016-09-01 R. Alkofer , H. Reinhardt , H. Weigel

Exotic baryons have been predicted in the context of the chiral soliton model. These states have been identified with strangeness +1 resonances reported in a number of experiments. In this talk it is pointed out that the technique used to…

Mathematical Physics · Physics 2017-08-23 Thomas D. Cohen

We develop a manifestly Lorentz covariant chiral quark model for the study of baryons as bound states of constituent quarks dressed by a cloud of pseudoscalar mesons. The approach is based on a non-linear chirally symmetric Lagrangian,…

High Energy Physics - Phenomenology · Physics 2009-11-11 Amand Faessler , Th. Gutsche , V. E. Lyubovitskij , K. Pumsa-ard

A generalized Lagrangian for the description of hadronic matter based on the linear $SU(3)_L \times SU(3)_R$ $\sigma$-model is proposed. Besides the baryon octet, the spin-0 and spin-1 nonets, a gluon condensate associated with broken scale…

Nuclear Theory · Physics 2009-10-30 P. Papazoglou , S. Schramm , J. Schaffner-Bielich , H. Stöcker , W. Greiner

The ground state configurations of the solution to Skyrme's topological soliton model for systems with baryon number larger than 1 are well approximated with rational map ans\"atze, without individual baryon coordinates. Here canonical…

Nuclear Theory · Physics 2009-11-10 A. Acus , J. Matuzas , E. Norvaisas , D. O. Riska