New limits on the couplings of light pseudoscalars from equivalence principle experiments

被引：26

作者：

Fischbach, E ^{[1
]}

Krause, DE

机构：

[1] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA

[2] Wabash Coll, Dept Phys, Crawfordsville, IN 47933 USA

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.82.4753

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The exchange of light pseudoscalar quanta between fermions leads to long-range spin-dependent forces in order g(2), where g is the pseudoscalar-fermion coupling constant. We demonstrate that laboratory bounds on the Yukawa couplings of pseudoscalars to nucleons can be significantly improved using results from recent equivalence principle experiments, which are sensitive to the spin-independent long-range forces that arise in order g(4) from two-pseudoscalar exchange.

引用

页码：4753 / 4756

页数：4

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