Search for new physics in the B→K(*)l+l－ decays at BABAR

SUN Liang (for the BABAR collaboration)

doi:10.1088/1674-1137/34/9/085

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2010, Vol. 34> Issue(9) : 1504-1507 DOI: 10.1088/1674-1137/34/9/085

Search for new physics in the B→K^(*)l⁺l^－ decays at BABAR

SUN Liang (for the BABAR collaboration)

Institut de Physique Nucleaire de Lyon, Villeurbanne 69622, France

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Abstract：
Based on a data sample of 384 million BB pairs collected with the BABAR detector at the PEP-Ⅱ asymmetric e⁺e^－ storage ring, we measure branching fractions, direct CP, isospin and lepton-flavor asymmetries for the rare decays B→K^(*)l⁺l^－ in two di-lepton mass bins above and below the J/ψ resonance. For the B→K^*l⁺l^－ decay, we also measure the K^* longitudinal polarization fraction and the di-lepton forward-backward asymmetry.

References

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SUN Liang (for the BABAR collaboration). Search for new physics in the B→K^(*)l⁺l^－ decays at BABAR[J]. Chinese Physics C, 2010, 34(9): 1504-1507. doi: 10.1088/1674-1137/34/9/085

SUN Liang (for the BABAR collaboration). Search for new physics in the B→K^(*)l⁺l^－ decays at BABAR[J]. Chinese Physics C, 2010, 34(9): 1504-1507. doi: 10.1088/1674-1137/34/9/085 shu

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Received: 2010-02-04
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Search for new physics in the B→K^(*)l⁺l^－ decays at BABAR

SUN Liang (for the BABAR collaboration)

Institut de Physique Nucleaire de Lyon, Villeurbanne 69622, France

Received Date: 2010-02-04
Accepted Date: 1900-01-01
Available Online: 2010-09-05

Abstract:

Based on a data sample of 384 million BB pairs collected with the BABAR detector at the PEP-Ⅱ asymmetric e⁺e^－ storage ring, we measure branching fractions, direct CP, isospin and lepton-flavor asymmetries for the rare decays B→K^(*)l⁺l^－ in two di-lepton mass bins above and below the J/ψ resonance. For the B→K^*l⁺l^－ decay, we also measure the K^* longitudinal polarization fraction and the di-lepton forward-backward asymmetry.