Relativistic treatment of pion wave functions in the annihilation (p)over-barp→π-π+ -: art. no. 034001

被引：8
|
作者：
El-Bennich, B [1 ]
Kloet, WM [1 ]
机构：
[1] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA
来源：
PHYSICAL REVIEW C | 2004年 / 70卷 / 03期
关键词：
D O I：
10.1103/PhysRevC.70.034001
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Quark model intrinsic wave functions of highly energetic pions in the reaction (p) over barp-->pi(-)pi(+) are subjected to a relativistic treatment. The annihilation is described in a constituent quark model with A2 and R2 flavor-flux topology, and the annihilated quark-antiquark pairs are in P-3(0) and S-3(1) states. We study the effects of pure Lorentz transformations on the antiquark and quark spatial wave functions and their respective spinors in the pion. The modified quark geometry of the pion has considerable impact on the angular dependence of the annihilation mechanisms.
引用
收藏
页码：0340011 / 03400110
页数：10
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