THE K-STAR POLE MODEL OF K-]PI-PI DECAYS AND FINAL-STATE INTERACTIONS

被引:3
作者
TROFIMENKOFF, NN
机构
[1] Heritage College, Hull
关键词
D O I
10.1016/0370-2693(90)91334-8
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
It is shown that final-state interactions can enhance (suppress) substantially the ΔI = 1 2 (ΔI = 3 2) K → ππ parity-violating decay amplitude calculated from the K* vector meson pole model. This enhancement (suppression) combined with short-distance QCD corrections to the effective weak interaction almost brings the K* pole model into agreement with experiment. © 1990.
引用
收藏
页码:212 / 216
页数:5
相关论文
共 19 条
[1]  
ALEKSEYEVA EA, 1982, ZH EKSP TEOR FIZ+, V82, P1007
[2]  
Barton G., 1965, DISPERSION TECHNIQUE
[3]  
BELKOV AA, 1988, SOV J NUCL PHYS+, V47, P328
[4]   TOWARDS AN EXPLANATION OF THE DELTA-T=1/2 RULE FOR K-]2-PI DECAYS [J].
BELKOV, AA ;
BOHM, G ;
EBERT, D ;
LANYOV, AV .
PHYSICS LETTERS B, 1989, 220 (03) :459-463
[5]  
BELKOV AA, 1988, YAD FIZ, V47, P516
[6]   ANALYSIS OF DELTA-S=1 NON-LEPTONIC WEAK DECAYS AND THE DELTA-I=1-2 RULE [J].
DONOGHUE, JF ;
GOLOWICH, E ;
PONCE, WA ;
HOLSTEIN, BR .
PHYSICAL REVIEW D, 1980, 21 (01) :186-202
[7]   POTENTIAL CONTRIBUTION TO THE DELTA-I= 1/2 RULE IN K-]PI-PI [J].
ISGUR, N ;
MALTMAN, K ;
WEINSTEIN, J ;
BARNES, T .
PHYSICAL REVIEW LETTERS, 1990, 64 (02) :161-164
[8]   LOW-ENERGY HADRON PHYSICS FROM EFFECTIVE CHIRAL LAGRANGIANS WITH VECTOR-MESONS [J].
MEISSNER, UG .
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1988, 161 (5-6) :213-362
[9]   A MODEL OF PARITY-VIOLATING NONLEPTONIC DECAYS [J].
NISHIJIMA, K ;
SATO, H .
PROGRESS OF THEORETICAL PHYSICS, 1970, 43 (05) :1316-+
[10]  
Nishijima K., 1963, FUNDAMENTAL PARTICLE