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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 |
| Institution: | 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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