The hadronic light-by-light contribution to the muon anomalous magnetic moment: Where do we stand?

被引：98

作者：

Bijnens, Johan ^{[1
]}

Prades, Joaquim ^{[2
]}

机构：

[1] Lund Univ, Dept Theoret Phys, S-22362 Lund, Sweden

[2] CERN, Dept Phys, Theory Unit, CH-1211 Geneva, Switzerland

来源：

MODERN PHYSICS LETTERS A | 2007年 / 22卷 / 11期

关键词：

muon; anomalous magnetic moment;

D O I：

10.1142/S0217732307022992

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We review the status of the hadronic light-by-light contribution to the muon anomalous magnetic moment and critically compare recent calculations. We also study in detail which momentum regions the pi(0) exchange main contribution originates. We also argue that a(mu)(light-by-light) = (11 +/- 4) x 10(-10) encompasses the present understanding of this contribution and comment on some directions to improve on that.

引用

页码：767 / 782

页数：16

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