Status of hadronic light-by-light scattering in the muon g - 2

被引：17

作者：

Nyffeler, A. ^{[1
,2
]}

机构：

[1] Harish Chandra Res Inst, Reg Ctr Accelerator Based Particle Phys, Chhatnag Rd, Allahabad 211019, Uttar Pradesh, India

[2] Univ Bern, Albert Einstein Ctr Fundamental Phys, Inst Theoret Phys, CH-3012 Bern, Switzerland

来源：

NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS | 2014年 / 37卷 / 02期

关键词：

D O I：

10.1393/ncc/i2014-11752-0

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We give an update on the status of the hadronic light-by-light scattering contribution to the muon g - 2. We review recent work by various groups, list some of the open problems and give an outlook on how to better control the uncertainty of this contribution. This is necessary in order to fully profit from planned future muon g - 2 experiments to test the Standard Model. Despite some recent developments, we think that the estimate a(mu)(HLbL) = (116 +/- 40) x 10(-11) still gives a fair description of the current situation.

引用

页码：173 / 178

页数：6

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