PARTIAL-WAVE ANALYSIS OF DM2 COLLABORATION DATA IN THE ETA(1430) ENERGY-RANGE

被引:64
作者
AUGUSTIN, JE
COSME, G
COUCHOT, F
FULDA, F
GROSDIDIER, G
JEANMARIE, B
LEPELTIER, V
SZKLARZ, G
BISELLO, D
BUSETTO, G
CASTRO, A
PESCARA, L
SARTORI, P
STANCO, L
AJALTOUNI, Z
FALVARD, A
JOUSSET, J
MICHEL, B
MONTRET, JC
机构
[1] UNIV PADUA,DIPARTIMENTO FIS,I-35131 PADUA,ITALY
[2] UNIV PARIS 11,F-91405 ORSAY,FRANCE
[3] IST NAZL FIS NUCL,PADUA,ITALY
[4] CNRS,INST NATL PHYS NUCL & PHYS PARTICULES,PHYS CORPUSCULAIRE LAB,F-63170 CLERMONT FERRAND,FRANCE
[5] UNIV CLERMONT FERRAND,F-63170 CLERMONT FERRAND,FRANCE
来源
PHYSICAL REVIEW D | 1992年 / 46卷 / 05期
关键词
D O I
10.1103/PhysRevD.46.1951
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A partial-wave analysis (PWA) of the J/psi-->gamma-K(S)0K+/-pi-/+, gamma-K+/-K-/+pi-0 decays in the iota/eta(1430) mass range shows a clear pseudoscalar dominance, with two dynamical components both above 1400 MeV/c2 which proceed via a0(980)pi and K*(892)K dynamics, respectively. In addition, a significant contribution from the 1++ K*(892)K wave is contained in the higher part of the mass spectrum. In the PWA of the J/psi-->gamma-eta-pi+-pi-channel a resonant a0-pi production is observed but slightly below 1400 MeV/C2.
引用
收藏
页码:1951 / 1958
页数:8
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