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Calculation of B-0 -> K*(0)mu(+)mu(-) and B-s(0) -> phi mu(+)mu(-) Observables Using Form Factors from Lattice QCD
Horgan, RR; 刘朝峰;Liu, ZF; Meinel, S; Wingate, M
2014
发表期刊PHYSICAL REVIEW LETTERS
卷号112期号:21页码:212003
摘要We calculate the differential branching fractions and angular distributions of the rare decays B-0 -> K*(0)mu(+)mu(-) and B-s(0) -> phi mu(+)mu(-), using for the first time form factors from unquenched lattice QCD. We focus on the kinematic region where the K* or phi recoils softly; there, the newly available form factors are most precise and the nonlocal matrix elements can be included via an operator product expansion. Our results for the differential branching fractions calculated in the standard model are higher than the experimental data. We consider the possibility that the deviations are caused by new physics and perform a fit of theWilson coefficients C-9 and C-9' to the experimental data for multiple B-0 -> K*(0)mu(+)mu(-) and B-s(0) -> phi mu(+)mu(-) observables. In agreement with recent results from complementary studies, we obtain C-9 - C-9(SM) = -1.0 +/- 0.6 and C-9' = 1.2 +/- 1.0, whose deviations from zero would indicate the presence of nonstandard fundamental interactions.
学科领域Physics
DOI10.1103/PhysRevLett.112.212003
收录类别SCI
WOS记录号WOS:000338034400003
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被引频次:79[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225294
专题理论物理室
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GB/T 7714
Horgan, RR,刘朝峰;Liu, ZF,Meinel, S,et al. Calculation of B-0 -> K*(0)mu(+)mu(-) and B-s(0) -> phi mu(+)mu(-) Observables Using Form Factors from Lattice QCD[J]. PHYSICAL REVIEW LETTERS,2014,112(21):212003.
APA Horgan, RR,刘朝峰;Liu, ZF,Meinel, S,&Wingate, M.(2014).Calculation of B-0 -> K*(0)mu(+)mu(-) and B-s(0) -> phi mu(+)mu(-) Observables Using Form Factors from Lattice QCD.PHYSICAL REVIEW LETTERS,112(21),212003.
MLA Horgan, RR,et al."Calculation of B-0 -> K*(0)mu(+)mu(-) and B-s(0) -> phi mu(+)mu(-) Observables Using Form Factors from Lattice QCD".PHYSICAL REVIEW LETTERS 112.21(2014):212003.
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