New manifestation of atomic parity violation in cesium: a chiral optical gain induced by linearly polarized 6S-7S excitation

We have detected, by using stimulated emission, an atomic parity violation (APV) in the form of a chiral optical gain of a cesium vapor on the 7S-6P(3/2) transition, consecutive to linearly polarized 6S-7S excitation. We demonstrate the validity of this detection method of APV, by presenting a 9% ac...

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Published inPhysical review letters Vol. 90; no. 14; p. 143001
Main Authors Guéna, J, Chauvat, D, Jacquier, Ph, Jahier, E, Lintz, M, Sanguinetti, S, Wasan, A, Bouchiat, M A, Papoyan, A V, Sarkisyan, D
Format Journal Article
LanguageEnglish
Published United States 11.04.2003
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Summary:We have detected, by using stimulated emission, an atomic parity violation (APV) in the form of a chiral optical gain of a cesium vapor on the 7S-6P(3/2) transition, consecutive to linearly polarized 6S-7S excitation. We demonstrate the validity of this detection method of APV, by presenting a 9% accurate measurement of expected sign and magnitude. We stress several advantages of this new approach which fully exploits the cylindrical symmetry of the setup. Future measurements at the percent level will provide an important cross-check of an existing more precise result obtained by a different method.
ISSN:0031-9007
DOI:10.1103/PhysRevLett.90.143001