The MTV experiment: A test of time reversal symmetry using polarized 8Li

J. Murata; H. Baba; J. A. Behr; Y. Hirayama; T. Iguri; M. Ikeda; T. Kato; H. Kawamura; R. Kishi; C. D.P. Levy; Y. Nakaya; K. Ninomiya; N. Ogawa; J. Onishi; R. Openshaw; M. Pearson; E. Seitaibashi; S. Tanaka; R. Tanuma; Y. Totsuka; T. Toyoda

doi:10.1007/978-94-007-7963-1_21

The MTV experiment: A test of time reversal symmetry using polarized ⁸Li

J. Murata, H. Baba, J. A. Behr, Y. Hirayama, T. Iguri, M. Ikeda, T. Kato, H. Kawamura, R. Kishi, C. D.P. Levy, Y. Nakaya, K. Ninomiya, N. Ogawa, J. Onishi, R. Openshaw, M. Pearson, E. Seitaibashi, S. Tanaka, R. Tanuma, Y. TotsukaT. Toyoda

Creative Interdisciplinary Research Division

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

The MTV (Mott Polarimetry for T-Violation Experiment) experiment at TRIUMF-ISAC (Isotope Separator and ACcelerator), which aims to achieve the highest precision test of time reversal symmetry in polarized nuclear beta decay by measuring a triple correlation (R-correlation), is motivated by the search for a new physics beyond the Standard Model. In this experiment, the existence of non-zero transverse electron polarization is examined utilizing the analyzing power of Mott scattering from a thin metal foil. Backward scattering electron tracks are measured using a multi-wire drift chamber for the first time. The MTV experiment was commissioned at ISAC in 2009 using an 80%polarized 8Li beam at 107 pps, resulting in 0.1%statistical precision on the R-parameter in the first physics run performed in 2010. Next generation cylindrical drift chamber (CDC) is now being installed for the future run.

Original language	English
Title of host publication	ISAC and ARIEL
Subtitle of host publication	The TRIUMF Radioactive Beam Facilities and the Scientific Program
Publisher	Springer Netherlands
Pages	193-196
Number of pages	4
ISBN (Electronic)	9789400779631
ISBN (Print)	9789400779624
DOIs	https://doi.org/10.1007/978-94-007-7963-1_21
Publication status	Published - 2014 Jan 1

Keywords

Electron polarimeter
Test of standard model
Time reversal symmetry

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1007/978-94-007-7963-1_21

Cite this

Murata, J., Baba, H., Behr, J. A., Hirayama, Y., Iguri, T., Ikeda, M., Kato, T., Kawamura, H., Kishi, R., Levy, C. D. P., Nakaya, Y., Ninomiya, K., Ogawa, N., Onishi, J., Openshaw, R., Pearson, M., Seitaibashi, E., Tanaka, S., Tanuma, R., ... Toyoda, T. (2014). The MTV experiment: A test of time reversal symmetry using polarized ⁸Li. In ISAC and ARIEL: The TRIUMF Radioactive Beam Facilities and the Scientific Program (pp. 193-196). Springer Netherlands. https://doi.org/10.1007/978-94-007-7963-1_21

Murata, J, Baba, H, Behr, JA, Hirayama, Y, Iguri, T, Ikeda, M, Kato, T, Kawamura, H, Kishi, R, Levy, CDP, Nakaya, Y, Ninomiya, K, Ogawa, N, Onishi, J, Openshaw, R, Pearson, M, Seitaibashi, E, Tanaka, S, Tanuma, R, Totsuka, Y & Toyoda, T 2014, The MTV experiment: A test of time reversal symmetry using polarized ⁸Li. in ISAC and ARIEL: The TRIUMF Radioactive Beam Facilities and the Scientific Program. Springer Netherlands, pp. 193-196. https://doi.org/10.1007/978-94-007-7963-1_21

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abstract = "The MTV (Mott Polarimetry for T-Violation Experiment) experiment at TRIUMF-ISAC (Isotope Separator and ACcelerator), which aims to achieve the highest precision test of time reversal symmetry in polarized nuclear beta decay by measuring a triple correlation (R-correlation), is motivated by the search for a new physics beyond the Standard Model. In this experiment, the existence of non-zero transverse electron polarization is examined utilizing the analyzing power of Mott scattering from a thin metal foil. Backward scattering electron tracks are measured using a multi-wire drift chamber for the first time. The MTV experiment was commissioned at ISAC in 2009 using an 80%polarized 8Li beam at 107 pps, resulting in 0.1%statistical precision on the R-parameter in the first physics run performed in 2010. Next generation cylindrical drift chamber (CDC) is now being installed for the future run.",

keywords = "Electron polarimeter, Test of standard model, Time reversal symmetry",

author = "J. Murata and H. Baba and Behr, {J. A.} and Y. Hirayama and T. Iguri and M. Ikeda and T. Kato and H. Kawamura and R. Kishi and Levy, {C. D.P.} and Y. Nakaya and K. Ninomiya and N. Ogawa and J. Onishi and R. Openshaw and M. Pearson and E. Seitaibashi and S. Tanaka and R. Tanuma and Y. Totsuka and T. Toyoda",

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AU - Iguri, T.

AU - Ikeda, M.

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AU - Ninomiya, K.

AU - Ogawa, N.

AU - Onishi, J.

AU - Openshaw, R.

AU - Pearson, M.

AU - Seitaibashi, E.

AU - Tanaka, S.

AU - Tanuma, R.

AU - Totsuka, Y.

AU - Toyoda, T.

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