Higher-order proton structure corrections to the Lamb shift in muonic hydrogen

被引：108
|
作者：
Carlson, Carl E. [1 ,2 ]
Vanderhaeghen, Marc [3 ]
机构：
[1] Johannes Gutenberg Univ Mainz, Helmholtz Inst Mainz, D-55099 Mainz, Germany
[2] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA
[3] Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany
来源：
PHYSICAL REVIEW A | 2011年 / 84卷 / 02期
基金：
美国国家科学基金会;
关键词：
SIZE;
D O I：
10.1103/PhysRevA.84.020102
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The recent conundrum with the proton charge radius inspires reconsideration of the corrections that enter into determinations of the proton size. We study the two-photon proton-structure corrections, with special consideration of the nonpole subtraction term in the dispersion relation and using fits to modern data to evaluate the energy contributions. We find that individual contributions change more than the total and present results with error estimates.
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页数：4
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