Theta induced electric dipole moment of the neutron via QCD sum rules
Theta induced electric dipole moment of the neutron via QCD sum rules
复制标题
通过 QCD 求和规则 Theta 感应中子的电偶极矩
DOI:
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发表时间:
1999
期刊:
影响因子:
--
通讯作者:
A. Ritz
中科院分区:
文献类型:
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作者:
M. Pospelov;A. Ritz
Using the QCD sum rule approach, we calculate the electric dipole moment of the neutron induced by a vacuum theta--angle to approximately 40-50% precision, d_n = 2.4 x 10^{-16} heta e.cm. Combined with the new experimental bound, this translates into the limit | heta|< 3 x 10^{-10}.