Muonium production target for the muon g-2/EDM experiment at J-PARC

被引：1

作者：

Kanda, Sohtaro ^{[1
]}

机构：

[1] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 113, Japan

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2014年 / 253卷

关键词：

muon; muonium; production target; anomalous magnetic moment; electric dipole moment; CP violation;

D O I：

10.1016/j.nuclphysbps.2014.09.054

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

There is more than three standard-deviations discrepancy between measurement and theoretical prediction of the muon anomalous magnetic moment. We are going to measure the precision value of muon g-2 and search for physics beyond standard model. In addition, we can search for muon EDM which violates CP symmetry. CP violation in charged lepton sector is currently not found. We are developing the "Ultra Cold Muon Beam" instead of tertiary muon beam with electric focusing. Ultra cold muon is realized by laser ionization of muonium (bound state of a muon and an electron) from the production target. Increase of muonium yield is essential for our experimental goal; 0.1ppm statistical precision. Muonium production experiment at J-PARC MLF MUSE is planned in 2012 autumn. In this paper, we discuss the development of muonium production target and positron detector for the study.

引用

页码：212 / 213

页数：2

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