Chiral symmetry and excited baryons

被引:18
作者
Nefediev, A. V. [1 ]
Ribeiro, J. E. F. T. [2 ]
Szczepaniak, A. P. [3 ,4 ]
机构
[1] Inst Theoret & Expt Phys, Moscow 117218, Russia
[2] Univ Tecn Lisboa, Inst Super Tecn, Ctr Fis Interaccoes Fundamentais, Dept Fes, P-1096 Lisbon, Portugal
[3] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA
[4] Indiana Univ, Ctr Nucl Theory, Bloomington, IN 47405 USA
基金
俄罗斯基础研究基金会;
关键词
D O I
10.1134/S0021364008060015
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
An approach to baryons in the framework of the microscopic generalized Nambu-Jona-Lasinio chiral potential quark model is considered and quite general arguments are given in favor of the effective restoration of the chiral symmetry in excited baryons.
引用
收藏
页码:271 / 275
页数:5
相关论文
共 26 条
[1]   INSTABILITY OF THE CHIRAL-INVARIANT VACUUM FOR A CONFINING POTENTIAL [J].
AMER, A ;
LEYAOUANC, A ;
OLIVER, L ;
PENE, O ;
RAYNAL, JC .
PHYSICAL REVIEW LETTERS, 1983, 50 (02) :87-90
[2]   K-N S-CHANNEL I=1, 0 PHASE-SHIFTS AS A DIRECT MEASURE OF CHIRAL CONDENSATION [J].
BICUDO, P ;
RIBEIRO, J ;
RODRIGUES, J .
PHYSICAL REVIEW C, 1995, 52 (04) :2144-2157
[3]   Chiral symmetry breaking solutions for QCD in the truncated Coulomb gauge [J].
Bicudo, PJA ;
Nefediev, AV .
PHYSICAL REVIEW D, 2003, 68 (06)
[4]   Vacuum replicas in two-dimensional QCD [J].
Bicudo, PJA ;
Nefediev, AV .
PHYSICS LETTERS B, 2003, 573 (1-4) :131-137
[5]   Vacuum replicas in QCD [J].
Bicudo, PJA ;
Ribeiro, JEFT ;
Nefediev, AV .
PHYSICAL REVIEW D, 2002, 65 (08) :850261-8502613
[6]   CURRENT-QUARK MODEL IN A P-3(0) CONDENSED VACUUM [J].
BICUDO, PJD ;
RIBEIRO, JEFT .
PHYSICAL REVIEW D, 1990, 42 (05) :1611-1624
[7]   NUCLEAR-MATTER MAY ENHANCE CHIRAL-SYMMETRY BREAKING [J].
BICUDO, PJD .
PHYSICAL REVIEW LETTERS, 1994, 72 (11) :1600-1603
[8]   New perspective on the scalar meson puzzle, from spontaneous chiral symmetry breaking beyond BCS [J].
Bicudo, PJD .
PHYSICAL REVIEW C, 1999, 60 (03) :17
[9]  
BICUDO PJD, 1990, PHYS REV D, V42, P1635, DOI [10.1103/physrevd.42.1635, 10.1103/PhysRevD.42.1635]
[10]   Chiral multiplets versus parity doublets in highly excited baryons [J].
Cohen, TD ;
Glozman, LY .
PHYSICAL REVIEW D, 2002, 65 (01)