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Search for time reversal violation in neutron decay: a measurement of the transverse polarization of electrons

Abstract : A non-zero value of the R-correlation coefficient due to the e - polarization component, perpendicular to the plane spanned by the spin of the decaying neutron and the electron momentum, would signal a violation of time reversal symmetry and thus physics beyond the Standard Model. The value of the N-correlation coefficient, given by the transverse e - polarization component within that plane, is expected to be finite. The measurement of N serves as an important systematic check of the apparatus for the R-measurement. The first phase of data taking has been completed. Preliminary results from a limited data sample show no deviations from the Standard Model predictions.
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http://hal.in2p3.fr/in2p3-00122921
Contributor : Sandrine Guesnon <>
Submitted on : Friday, January 5, 2007 - 4:10:53 PM
Last modification on : Tuesday, February 19, 2019 - 9:42:02 AM

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K. Bodek, A. Kaczmarek, St. Kistryn, M. Kuzniak, J. Pulut, et al.. Search for time reversal violation in neutron decay: a measurement of the transverse polarization of electrons. 7th International Conference on Particles and Nuclei (PANIC05), Oct 2005, Santa Fe, United States. pp.805-807, ⟨10.1063/1.2220388⟩. ⟨in2p3-00122921⟩

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