The interplay of soft and hard contributions in the electromagnetic pion form factor

被引：1
作者：
Schweiger, W [1 ]
机构：
[1] Karl Franzens Univ Graz, Inst Theoret Phys, A-8010 Graz, Austria
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2002年 / 108卷
关键词：
D O I：
10.1016/S0920-5632(02)01336-1
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We consider various relativistic models for the valence Fock-state wave function of the pion, These models axe obtained from simple instant-form wave functions by applying a Melosh rotation to the spin part and by imposing physical constraints on the parameters. We discuss how the soft and the hard (perturbative) parts of the electromagnetic form factor are affected by the choice of the model and by the Melosh rotation.
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页码：242 / 244
页数：3
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