How to reconcile the Rosenbluth and the polarization transfer methods in the measurement of the proton form factors

被引：309

作者：

Guichon, PAM ^{[1
]}

Vanderhaeghen, M

机构：

[1] CEA Saclay, DAPNIA, SPhN, F-91191 Gif Sur Yvette, France

[2] Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.91.142303

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The apparent discrepancy between the Rosenbluth and the polarization transfer methods for the ratio of the electric to magnetic proton form factors can be explained by a two-photon exchange correction which does not destroy the linearity of the Rosenbluth plot. Though intrinsically small, of the order of a few percent of the cross section, this correction is accidentally amplified in the case of the Rosenbluth method.

引用

页数：4

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