RESONANT SUBSTRUCTURE IN KAPPD-PI+PI+PI- DECAYS OF DO MESONS

被引:8
作者
ADLER, J
BAI, Z
BLAYLOCK, GT
BOLTON, T
BRIENT, JC
BROWDER, TE
BROWN, JS
BUNNELL, KO
BURCHELL, M
BURNETT, TH
CASSELL, RE
COFFMAN, D
COOK, V
COWARD, DH
DEJONGH, F
DORFAN, DE
DRINKARD, J
DUBOIS, GP
EIGEN, G
EINSWEILER, KF
EISENSTEIN, BI
FREESE, T
GATTO, C
GLADDING, G
GRAB, C
HAUSER, J
HEUSCH, CA
HITLIN, DG
IZEN, JM
KIM, PC
KOPKE, L
LABS, J
LI, A
LOCKMAN, WS
MALLIK, U
MATTHEWS, CG
MINCER, AI
MIR, R
MOCKETT, PM
NEMATI, B
ODIAN, A
PARRISH, L
PARTRIDGE, R
PITMAN, D
PLAETZER, SA
RICHMAN, ID
SADROZINSKI, HFW
SCARLATELLA, M
SCHALK, TL
SCHINDLER, RH
机构
[1] UNIV CALIF SANTA CRUZ,SANTA CRUZ,CA 95064
[2] UNIV ILLINOIS,URBANA,IL 61801
[3] UNIV IOWA,IOWA CITY,IA 52242
[4] UNIV WASHINGTON,SEATTLE,WA 98195
[5] STANFORD UNIV,STANFORD LINEAR ACCELERATOR CTR,STANFORD,CA 94309
关键词
D O I
10.1103/PhysRevLett.64.2615
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We determine the resonant substructure of D0K decays using a five-dimensional maximum-likelihood technique to extract the relative fractions and phases of the amplitudes contributing to this final state. We find that two-body decay modes account for at least 76% of all decays. We obtain branching ratios for several decay modes including B(D0K-a1+) =(9.0±0.9±1. 7)%, B(D0K»0*0)=(1.9±0.3±0.7)%, and B(D0K1(1270)) =(1.8±0.5 ±0.8)%. For the decay mode D0K»0*0, the K» *0 and 0 are found to be polarized with their spins oriented in the direction of their motion as seen from the D0 frame. © 1990 The American Physical Society.
引用
收藏
页码:2615 / 2618
页数:4
相关论文
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