Results 31 to 40 of about 182,622 (338)

Chiral symmetry restoration in excited hadrons, quantum fluctuations, and quasiclassics

, 2005
In this paper, we discuss the transition to the semiclassical regime in excited hadrons, and consequently, the restoration of chiral symmetry for these states.
A. V. Nefediev, G. ’t Hooft, G. S. Bali, J. E. F. T. Ribeiro, J. S. Bell, L. Ya. Glozman, L. Ya. Glozman, L. Ya. Glozman, T.-P. Cheng, Yu. A. Simonov, Yu. A. Simonov, Yu. S. Kalashnikova, Yu. S. Kalashnikova, Yu. S. Kalashnikova, Yu. S. Kalashnikova   +14 more
core   +1 more source

Spontaneous symmetry breaking and chiral symmetry [PDF]

AIP Conference Proceedings, 2000
In this introductory lecture, some basic features of the spontaneous symmetry breaking are discussed. More specifically, $ $-model, non-linear realization, and some examples of spontaneous symmetry breaking in the non-relativistic system are discussed in details. The approach here is more pedagogical than rigorous and the purpose is to get some simple
openaire   +2 more sources

Chiral symmetry restoration at finite temperature in a model with manifest confinement

Physics Letters B
Multiple lattice evidences support the existence of a confining but chirally symmetric regime of QCD above the chiral symmetry restoration crossover at Tch≃155 MeV.
L.Ya. Glozman, A.V. Nefediev, R. Wagenbrunn   +2 more
doaj   +1 more source

On the Bose symmetry and the left- and right-chiral anomalies

European Physical Journal C: Particles and Fields, 2018
It is generally assumed that in order to preserve Bose symmetry in the left- (or right-chiral) current it is necessary to equally distribute the chiral anomaly between the vectorial and the axial Ward identities, requiring the use of counterterms to ...
J. S. Porto, A. R. Vieira, A. L. Cherchiglia, Marcos Sampaio, Brigitte Hiller   +4 more
doaj   +1 more source

Nambu–Jona-Lasinio model in a parallel electromagnetic field

Physics Letters B, 2018
We explore the features of the UA(1) and chiral symmetry breaking of the Nambu–Jona-Lasinio model without the Kobayashi–Maskawa–'t Hooft determinant term in the presence of a parallel electromagnetic field. We show that the electromagnetic chiral anomaly
Lingxiao Wang, Gaoqing Cao, Xu-Guang Huang, Pengfei Zhuang   +3 more
doaj   +1 more source

Interplay between nuclear chiral and reflection symmetry breakings revealed by the lifetime measurements in 76Br

Physics Letters B, 2022
Nearly degenerate positive-parity doublet bands and several E1 transitions between positive- and negative-parity bands have been identified in 76Br. These experimental observations are interpreted as the coexistence of chirality and octupole correlations,
W.Z. Xu, S.Y. Wang, C. Liu, X.G. Wu, R.J. Guo, B. Qi, J. Zhao, A. Rohilla, H. Jia, G.S. Li, Y. Zheng, C.B. Li, X.C. Han, L. Mu, X. Xiao, S. Wang, D.P. Sun, Z.Q. Li, Y.M. Zhang, C.L. Wang, Y. Li   +20 more
doaj   +1 more source

Can Chiral Symmetry Explain the Small Pentaquark Width?

, 2005
It is shown that the decay amplitude for the Jaffe-Wilczek type pentaquarks is not suppressed by chiral symmetry. On the other hand, pentaquarks of positive or negative parity built up of an antiquark and two chirally different diquarks in an $S$-state ...
Beane, Berthold Stech, Dmitri Melikhov, Dosch, Ioffe, Jaffe, Melikhov, Mikhailov, Sibirtsev   +8 more
core   +2 more sources

Baryon Chiral Perturbation Theory in the 1/N Expansion [PDF]

, 2002
The chiral Lagrangian for baryons is formulated in an expansion in 1/N_c. The chiral Lagrangian implements the contracted spin-flavor symmetry of large-N_c baryons as well as nonet symmetry of the leading planar diagrams. Large-N_c consistency conditions
Jenkins, E.
core   +3 more sources

Chiral Symmetry

, 2012
The exact classical solution of the equation of the motion for the Nambu-Goldstone fermion of the nonlinear representation of supersymmetry and its physical significance are discussed, which gives a new insight into the chiral symmetry of the standard model for the low energy particle physics.
Shima, Kazunari, Tsuda, Motomu, Okano, Takeshi   +2 more
openaire   +2 more sources

Chiral symmetry breaking in a uniform external magnetic field II. Symmetry restoration at high temperatures and chemical potentials

, 1997
Chiral symmetry is dynamically broken in quenched, ladder QED at weak gauge couplings when an external magnetic field is present. In this paper, we show that chiral symmetry is restored above a critical chemical potential and the corresponding phase ...
C. N. Leung, C. N. Leung, D. K. Hong, D.-S. Lee, D.-S. Lee, J. Kapusta, V. P. Gusynin, V. P. Gusynin, V. P. Gusynin, Y. J. Ng, Y. J. Ng   +10 more
core   +1 more source