QCD MASS INEQUALITIES IN THE HEAVY QUARK LIMIT

被引:11
作者
GURALNIK, Z [1 ]
MANOHAR, AV [1 ]
机构
[1] CERN,DIV TH,CH-1211 GENEVA 23,SWITZERLAND
基金
美国国家科学基金会;
关键词
D O I
10.1016/0370-2693(93)90642-U
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
QCD inequalities are derived for the masses of mesons and baryons containing a single heavy quark using the heavy quark effective field theory. A rigorous lower bound is obtained for the LAMBDABAR parameters of the heavy quark effective theory that parameterize 1/m corrections, LAMBDABAR greater-than-or-equal-to 237 MeV for mesons, and LAMBDABAR greater-than-or-equal-to 657 MeV for baryons. The inequalities on LAMBDABAR imply the inequalities m(c) < 1627 MeV and m(b) < 5068 MeV for the mass parameters of the heavy quark effective field theory.
引用
收藏
页码:103 / 107
页数:5
相关论文
共 21 条
[11]   CURRENT-MASS RATIOS OF THE LIGHT QUARKS [J].
KAPLAN, DB ;
MANOHAR, AV .
PHYSICAL REVIEW LETTERS, 1986, 56 (19) :2004-2007
[12]   EFFECTS OF SUBLEADING OPERATORS IN THE HEAVY QUARK EFFECTIVE THEORY [J].
LUKE, ME .
PHYSICS LETTERS B, 1990, 252 (03) :447-455
[13]   SOME RIGOROUS RESULTS FOR ELECTROMAGNETIC-MASS SPLITTINGS IN QCD [J].
NUSSINOV, S .
PHYSICS LETTERS B, 1984, 139 (03) :203-207
[14]  
PRESKILL J, UNPUB CALTECH LECTUR
[15]   RESTRICTIONS ON SYMMETRY-BREAKING IN VECTOR-LIKE GAUGE-THEORIES [J].
VAFA, C ;
WITTEN, E .
NUCLEAR PHYSICS B, 1984, 234 (01) :173-188
[16]  
VOLOSHIN MB, 1987, SOV J NUCL PHYS+, V45, P292
[17]  
VOLOSHIN MB, 1988, SOV J NUCL PHYS+, V47, P511
[18]  
Weinberg S., 1977, T NY ACAD SCI 2, V38, P185, DOI [DOI 10.1111/J.2164-0947.1977.TB02958.X, 10.1111/j.2164-0947.1977.tb02958]
[19]   MASS INEQUALITIES FOR QUANTUM CHROMODYNAMICS [J].
WEINGARTEN, D .
PHYSICAL REVIEW LETTERS, 1983, 51 (20) :1830-1833
[20]   SOME INEQUALITIES AMONG HADRON MASSES [J].
WITTEN, E .
PHYSICAL REVIEW LETTERS, 1983, 51 (26) :2351-2354