SPIN CONTENT OF THE NUCLEON IN A NONTOPOLOGICAL CHIRAL SOLITON MODEL

被引：3
|
作者：
HOSAKA, A
SCHAFER, T
KALMBACH, U
机构：
[1] UNIV REGENSBURG,INST THEORET PHYS,W-8400 REGENSBURG,GERMANY
[2] UNIV GIESSEN,INST THEORET PHYS,W-6300 GIESSEN,GERMANY
来源：
ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI | 1990年 / 337卷 / 04期
关键词：
12.35.Ht;
D O I：
10.1007/BF01294982
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：
The spin content of the proton is investigated by studying the flavor singlet axial structure of the nucleon in a non-topological chiral soliton model. In order to construct a nucleon state we used the generator coordinate projection method as well as a coherent state for the meson wave function. Using a standard set of parameters we found the value gA0 ≃ 0.44 for the flavor singlet axial vector coupling constant. This result is not far from that of a typical valence quark model. © 1990 Springer-Verlag.
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页码：447 / 450
页数：4
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