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Related papers: The Skyrme Model for Baryons

200 papers

We study the baryonic sector of QCD with quarks in the two index symmetric or antisymmetric representation. The minimal gauge invariant state that carries baryon number cannot be identified with the Skyrmion of the low energy chiral…

High Energy Physics - Theory · Physics 2008-11-26 Stefano Bolognesi

We calculate the complete order $1/N$ corrections to baryon masses in the rigid rotator approach to the 3-flavor Skyrme model.

High Energy Physics - Phenomenology · Physics 2013-11-13 Karl M. Westerberg , Igor R. Klebanov

We introduce a novel Skyrme-like conserved current in the effective theory of pions and vector mesons based on the idea of hidden local symmetry. The associated charge is equivalent to the skyrmion charge for any smooth configuration. In…

High Energy Physics - Theory · Physics 2020-07-22 Avner Karasik

We analyze the vector meson formulation of the BPS Skyrme model in (3+1) dimensions, where the term of sixth power in first derivatives characteristic for the original, integrable BPS Skyrme model (the topological or baryon current squared)…

High Energy Physics - Theory · Physics 2013-05-30 C. Adam , C. Naya , J. Sanchez-Guillen , A. Wereszczynski

A lagrangian which describes interactions between a soliton and a background field is derived for sigma models whose target is a symmetric space. The background field modifies the usual moduli space approximation to soliton dynamics in two…

High Energy Physics - Theory · Physics 2016-12-22 Derek Harland

We develop and test a spectral-density analysis method, based on the introduction of smeared energy kernels, to extract physical information from two-point correlation functions computed numerically in lattice field theory. We apply it to a…

Consistent SU(6) and SU(8) spin-flavor extensions of the SU(3) flavor Weinberg-Tomozawa (WT) meson-baryon chiral Lagrangian are constructed, which incorporate vector meson degrees of freedom. In the charmless sector, the on-shell…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Nieves , C. Garcia-Recio , L. L. Salcedo , V. Magas , A. Ramos , T. Mizutani , H. Toki

We present the lattice formulation of effective Lagrangians in which chiral symmetry is realized nonlinearly on the fermion fields. In this framework both the Wilson term removing unphysical doubler fermions and the fermion mass term do not…

High Energy Physics - Lattice · Physics 2009-11-10 S. Chandrasekharan , M. Pepe , F. D. Steffen , U. -J. Wiese

In our continuing effort to understand hadronic matter at high density, we have developed a unified field theoretic formalism for dense skyrmion matter using a single Lagrangian to describe simultaneously both matter and meson fluctuations…

High Energy Physics - Phenomenology · Physics 2009-11-10 Byung-Yoon Park , Mannque Rho , Vicente Vento

By bosonization of an extended NJL model we derive an effective meson theory which describes the interplay between chiral symmetry and heavy quark dynamics. This effective theory is worked out in the low-energy regime using the gradient…

High Energy Physics - Phenomenology · Physics 2009-10-28 D. Ebert , T. Feldmann , R. Friedrich , H. Reinhardt

The present review gives a survey of recent developments and applications of the Nambu--Jona-Lasinio model with $N_f=2$ and $N_f=3$ quark flavors for the structure of baryons. The model is an effective chiral quark theory which incorporates…

High Energy Physics - Phenomenology · Physics 2009-10-28 Chr. V. Christov , A. Blotz , H. -C. Kim , P. Pobylitsa , T. Watabe , Th. Meissner , E. Ruiz Arriola , K. Goeke

The three flavor soliton approach for baryons is utilized to discuss effects of flavor symmetry breaking in the baryon wave--functions on axial current matrix elements. The flavor content of the singlet axial current matrix elements, that…

High Energy Physics - Phenomenology · Physics 2007-05-23 Herbert Weigel

We describe a new exact relation for large $N_c$ QCD for the long-distance behavior of baryon form factors in the chiral limit. This model-independent relation is used to test the consistency of the structure of several baryon models. All…

High Energy Physics - Phenomenology · Physics 2009-09-02 Aleksey Cherman , Thomas D. Cohen , Marina Nielsen

In the framework of the path integral approach we develop the velocity component formalism for spin-1/2 and -3/2 baryons coupled with pseudoscalar mesons in the limit of heavy baryons. Starting from the most general chiral meson-baryon…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Bel'kov , M. Dillig

We study the effects of light scalar mesons on the skyrmion properties by constructing and examining a mesonic model including pion, rho meson, and omega meson fields as well as two-quark and four-quark scalar meson fields. In our model,…

High Energy Physics - Phenomenology · Physics 2015-10-28 Bing-Ran He , Yong-Liang Ma , Masayasu Harada

We consider the analytical properties of the single-soliton solution in a Skyrmion-type Lagrangian that incorporates the scaling properties of quantum chromodynamics (QCD) through the coupling of the chiral field to a scalar field…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. A. Ponciano , C. A. Garcia Canal

Hyperon pairs bound in deuteron like states are obtained within the SU(3) Skyrme model in agreement with general expectations from boson exchange models. The central binding from the flavor symmetry breaking terms increases with the…

Nuclear Theory · Physics 2009-09-25 B. Schwesinger , F. G. Scholtz , H. B. Geyer

We find that, when the dilaton is implemented as a (pseudo-)Nambu-Goldstone boson using a conformal compensator or "conformon" in a hidden gauge symmetric Lagrangian written to $O(p^4)$ from which baryons arise as solitons, namely,…

High Energy Physics - Phenomenology · Physics 2014-08-27 Yong-Liang Ma , Masayasu Harada , Hyun Kyu Lee , Yongseok Oh , Byung-Yoon Park , Mannque Rho

In chiral soliton models for baryons the computation of hadronic decay widths of baryon resonances is a long standing problem. For the three flavor Skyrme model I present a solution to this problem that satisfies large--$N_C$ consistency…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. Weigel

We introduce an effective lagrangian including negative and positive parity heavy mesons containing a heavy quark, light pseudoscalars, and light vector resonances, with their allowed interactions, using heavy quark spin-flavour symmetry,…

High Energy Physics - Phenomenology · Physics 2009-10-22 R. Casalbuoni , A. Deandrea , N. Di Bartolomeo F. Feruglio , R. Gatto , G. Nardulli
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