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Implications from recent measurements on sin 2eta and muon g-2 | | Yue-Liang Wu
; Yu-Feng Zhou
; | | Date: |
1 Nov 2001 | | Subject: | hep-ph | | Abstract: | The recent data on CP asymmetry in $B->J/Psi K_S$ and muon g-2 are discussed in the framework of standard model and beyond. Possible new phase effects besides the CKM phase are discussed in the processes concerning CP violation in B decays and muon anomalous magnetic moment (muon g-2). It is found that the new phases will result in difference between angles $beta$ measured from $B->J/Psi K_S$ and the one from global fit. The ration between them serves as a probe of not only new physics but also new phase besides the CKM phase In the case of muon g-2, the new phase may change the interferences between various contributions. By including the new phases, some cancelations in the real coupling cases can be avoided and the large value of muon g-2 observed in the recent measurements can be understood. | | Source: | arXiv, hep-ph/0111008 | | Services: | Forum | Review | PDF | Favorites | |
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