High accuracy polarization and density measurement of a solid state polarized target

被引：0
|
作者：
Rohlof, C [1 ]
Dutz, H [1 ]
机构：
[1] Univ Bonn, D-53115 Bonn, Germany
来源：
GDH 2002: PROCEEDINGS OF THE SECOND INTERNATIONAL SYMPOSIUM ON THE GERASIMOV-DRELL-HEARN SUM RULE AND THE SPIN STRUCTURE OF THE NUCLEON | 2003年
关键词：
D O I：
10.1142/9789812705167_0025
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 difference of the total photo absorption cross section in the helicity state 3/2 and 1/2 of the proton has been measured at the Bonn Electron Stretcher Accelerator ELSA. For this reason a polarized target basing on the frozen spin technique has been built. Since the value of the nucleon polarization and the effective density of the butanol target contribute directly to the result of the GDH-integral both quantities have to be determined with high accuracy.
引用
收藏
页码：201 / 205
页数：5
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