Search for the electric dipole moment of the electron using metastable PbO

被引：0

作者：

DeMille, D ^{[1
]}

Bay, F ^{[1
]}

Bickman, S ^{[1
]}

Kawall, D ^{[1
]}

Hunter, L ^{[1
]}

Krause, D ^{[1
]}

Maxwell, S ^{[1
]}

Ulmer, K ^{[1
]}

机构：

[1] Yale Univ, Dept Phys, New Haven, CT 06520 USA

来源：

ART AND SYMMETRY IN EXPERIMENTAL PHYSICS: FESTSCHRIFT FOR EUGENE D. COMMINS | 2001年 / 596卷

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The metastable excited state a(1)[(3)Sigma(+)] of PbO is proposed as a candidate system in which to search for an electron electric dipole moment (EDM). It is shown that the sensitivity to an electron EDM (d(e)) could reach 10(-31) e.cm-an improvement of >10(4) over the current limit. Observation of an electron EDM would provide definitive evidence for physics beyond the standard model, and many currently favored theories predict |d(e)| > 10(-31). The sensitivity of the proposed technique arises from a combination of several unique properties of PbO, which simultaneously provide a large EDM enhancement factor, narrow magnetic resonance lines, and high counting rates, The structure of the nearly degenerate Omega-doublet system in PbO permits the use of unique and powerful techniques for the rejection of systematic effects.

引用

页码：72 / 83

页数：12

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