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Journal Articles

A New approach for measuring the muon anomalous magnetic moment and electric dipole moment

Abe, Mitsushi*; Bae, S.*; Beer, G.*; Bunce, G.*; Choi, H.*; Choi, S.*; Chung, M.*; da Silva, W.*; Eidelman, S.*; Finger, M.*; et al.

Progress of Theoretical and Experimental Physics (Internet), 2019(5), p.053C02_1 - 053C02_22, 2019/05

 Times Cited Count:200 Percentile:99.40(Physics, Multidisciplinary)

This paper introduces a new approach to measure the muon magnetic moment anomaly $$a_{mu}=(g-2)/2$$ and the muon electric dipole moment (EDM) $$d_{mu}$$ at the J-PARC muon facility. The goal of our experiment is to measure $$a_{mu}$$ and $$d_{mu}$$ using an independent method with a factor of 10 lower muon momentum, and a factor of 20 smaller diameter storage-ring solenoid compared with previous and ongoing muon g-2 experiments with unprecedented quality of the storage magnetic field. Additional significant differences from the present experimental method include a factor of 1000 smaller transverse emittance of the muon beam (reaccelerated thermal muon beam), its efficient vertical injection into the solenoid, and tracking each decay positron from muon decay to obtain its momentum vector. The precision goal for $$a_{mu}$$ is a statistical uncertainty of 450 parts per billion (ppb), similar to the present experimental uncertainty, and a systematic uncertainty less than 70 ppb. The goal for EDM is a sensitivity of $$1.5times10^{-21}$$ e$$cdot$$cm.

JAEA Reports

Technical report on the Korea-Japan software collaboration

Inamura, Yasuhiro; So, J.-Y.*; Nakajima, Kenji; Suzuki, Jiro*; Nakatani, Takeshi; Kajimoto, Ryoichi; Otomo, Toshiya*; Moon, M.-K.*; Lee, C.-H.*; Yasu, Yoshiji*; et al.

JAEA-Technology 2010-047, 74 Pages, 2011/02

JAEA-Technology-2010-047.pdf:15.03MB

This report summarizes the two-year (2007-2009) activities of Korea-Japan collaboration of chopper software development. Here we have described the background of the collaboration and the main part of our work. We also discussed briefly a future plan of our collaboration starting in 2010. Some of detailed description on the management of the collaboration as well as related information is given in appendix.

Oral presentation

Current status of the data acquisition system and the control software for TAKUMI

Ito, Takayoshi; Harjo, S.; Abe, Jun; Nakatani, Takeshi; Aizawa, Kazuya; Moriai, Atsushi; Sakasai, Kaoru; Nakamura, Tatsuya; Hosoya, Takaaki*; Yasu, Yoshiji*; et al.

no journal, , 

no abstracts in English

Oral presentation

Software for the engineering materials diffractometer (TAKUMI) at MLF, J-PARC

Ito, Takayoshi; Harjo, S.; Arima, Hiroshi; Abe, Jun; Moriai, Atsushi; Aizawa, Kazuya; Arai, Masatoshi; Nakatani, Takeshi; Inamura, Yasuhiro; Hosoya, Takaaki*; et al.

no journal, , 

no abstracts in English

Oral presentation

Operation and analysis software development for the engineering materials diffractometer, TAKUMI

Ito, Takayoshi; Nakatani, Takeshi; Harjo, S.; Abe, Jun; Arima, Hiroshi; Moriai, Atsushi; Aizawa, Kazuya; Yasu, Yoshiji*; Nakayoshi, Kazuo*; Sendai, Hiroshi*; et al.

no journal, , 

no abstracts in English

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