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A New Approach for Measuring the Muon Anomalous Magnetic Moment and Electric Dipole Moment
https://repo.qst.go.jp/records/74707
https://repo.qst.go.jp/records/74707d022b8db-bfb5-4621-af2f-963a3ee47638
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-03-13 | |||||
タイトル | ||||||
タイトル | A New Approach for Measuring the Muon Anomalous Magnetic Moment and Electric Dipole Moment | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Abe, M.
× Abe, M.× 岩田, 佳之× al., et× Iwata, Yoshiyuki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 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 this 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 1,000 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 statistical uncertainty of 450 part 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 $1.5\times 10^{-21}~e\cdot\mbox{cm}$. | |||||
書誌情報 |
Progress of Theoretical and Experimental Physics 巻 2019, 号 5, p. 053C02, 発行日 2019-05 |
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出版者 | ||||||
出版者 | Oxford University Press | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2050-3911 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1093/ptep/ptz030 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://arxiv.org/abs/1901.03047 |