Hard exclusive production of tensor mesons

被引：21
|
作者：
Braun, VM [1 ]
Kivel, N [1 ]
机构：
[1] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany
来源：
PHYSICS LETTERS B | 2001年 / 501卷 / 1-2期
关键词：
D O I：
10.1016/S0370-2693(01)00095-8
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We point out that hard exclusive production of tensor mesons f(2)(1270) with helicity lambda = +/-2 is dominated by the gluon component in the meson wave function and can be used to determine gluon admixture in tenser mesons in a theoretically clean manner. We present a detailed analysis of the tenser meson distribution amplitudes and calculate the transition form factor gamma + gamma* --> f(2)(1270) for one real and one virtual photon. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码：48 / 53
页数：6
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