Polynomiality of helicity generalized parton distributions in the chiral quark-soliton model

被引：17
|
作者：
Schweitzer, P [1 ]
Colli, M
Boffi, S
机构：
[1] Univ Pavia, Dipartimento Fis Nucl & Teor, I-27100 Pavia, Italy
[2] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy
来源：
PHYSICAL REVIEW D | 2003年 / 67卷 / 11期
关键词：
D O I：
10.1103/PhysRevD.67.114022
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The polynomiality condition, i.e., the property that Mellin moments of generalized parton distributions are even polynomials in the skewedness parameter xi, is a demanding check of consistency for model approaches. We demonstrate that the helicity generalized parton distributions in the chiral quark-soliton model satisfy the polynomiality property. The proof contributes to the demonstration that the description of generalized parton distributions in the model is consistent.
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页数：9
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