χc1 and χc2 decay angular distributions at the Fermilab Tevatron -: art. no. 114002

被引：20
|
作者：
Kniehl, BA
Kramer, G
Palisoc, CP
机构：
[1] Univ Hamburg, Inst Theoret Phys 2, D-22761 Hamburg, Germany
[2] Univ Philippines, Natl Inst Phys, Quezon City 1101, Philippines
来源：
PHYSICAL REVIEW D | 2003年 / 68卷 / 11期
关键词：
D O I：
10.1103/PhysRevD.68.114002
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider the hadroproduction of chi(c1) and chi(c2) mesons and their subsequent radiative decays to J/psi mesons and photons in the factorization formalism of nonrelativistic quantum chromodynamics, and study the decay angular distributions, by means of helicity density matrices, in view of their sensitivity to color-octet processes. We present numerical results appropriate for the Fermilab Tevatron.
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页数：11
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