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First result from the MTV experiment at TRIUMF searching T-violation in nuclear beta decay |
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| Authors: | Y. Totsuka H. Baba J. A. Behr T. Iguri M. Ikeda T. Kato H. Kawamura R. Kishi C. D. P. Levy Y. Nakaya K. Ninomiya H. Nishio J. Onishi R. Openshaw M. Pearson E. Seitaibashi S. Tanaka R. Tanuma T. Toyoda K. Watanabe J. Murata |
| Affiliation: | 1. Department of Physics, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Tokyo, 171-8501, Japan 2. Nishina Center, RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan 3. TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, V6T 2A3, Canada 4. CYRIC, Tohoku University, 6-3 Aoba, Sendai, Miyagi, 980-8578, Japan |
| Abstract: | The MTV experiment (Mott Polarimetry for T-Violation Experiment) is running from 2009 at TRIUMF, which aims to search a large non-standard T-Violation in polarized nuclear beta decay. Existence of transverse polarization of electrons emitted from polarized 8Li nuclei, which are produced at TRIUMF-ISAC and stopped inside an aluminum stopper, is investigated. We utilize a Mott polarimeter consists of a planer drift chamber, measuring backward scattering left-right asymmetry from a thin lead analyzer foil. In this paper, preliminary results from the first physics run performed in 2010 are described. |
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