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g-2:g-2 [2022/09/02 14:30] – Ce Zhang | g-2:g-2 [2022/10/01 07:50] (current) – Ce Zhang | ||
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====== Muon g-2/EDM experiment at J-PARC ====== | ====== Muon g-2/EDM experiment at J-PARC ====== | ||
+ | * [[Basics]] | ||
+ | * [[Overview for Beginners]] | ||
* [[Magnet and Software development|Magnet and Software development (Sep 2022)]] | * [[Magnet and Software development|Magnet and Software development (Sep 2022)]] | ||
+ | * [[g-2: | ||
- | muon g factor $g_{\mu}$ | + | === CM23 (Dec 2021) === |
- | + | {{ :g-2:2021-12-07-cm23_oishi.pdf |}} | |
- | * $-2.002 331 8418(13)$ | + | |
- | * [[https:// | + | |
- | + | ||
- | | Numerical value | $-2.002 331 8418$ | | + | |
- | | Standard uncertainty | + | |
- | | Relative standard uncertainty | $6.3 \times 10^{-10}$ | | + | |
- | + | ||
- | define $a_{\mu} = (g-2)_{\mu}/2$, which differs from the SM prediction by | + | |
- | + | ||
- | $$\delta a_\mu = a_\mu^{{\rm exp}} - a_\mu^{{\rm SM}} = (279\pm 76)\times 10^{-11}$$ | + | |
- | + | ||
- | corresponding to a $3.7 \sigma$ deviation. | + | |
- | ==== Muon summary ==== | ||
- | | Type | Ek | P | E | | ||
- | | Slow muon (g-2, SOA) | ~/Sline | ~/Hline | G4BL | | ||
- | | Slow muon (Mu1S2S, | ||
- | | Surface muon | ~/Sline | 28.3 | G4BL | | ||
- | | g-2 muon (J-PARC)| ~/Sline | ~/Hline | G4BL | | ||
- | | g-2 muon (FNAL)| ~/Sline | ~/Hline | G4BL | | ||