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Differential branching fraction and angular analysis of Λ0b→Λ0μ+μ− decays

Abstract : The differential branching fraction of the rare decay Λ0b→Λ0μ+μ− is measured as a function of q2, the square of the dimuon invariant mass. The analysis is performed using proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb−1, collected by the LHCb experiment. Evidence of signal is observed in the q2 region below the square of the J/ψ mass. Integrating over 15
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http://hal.in2p3.fr/in2p3-01135719
Contributor : Sabine Starita <>
Submitted on : Wednesday, March 25, 2015 - 5:28:59 PM
Last modification on : Wednesday, January 6, 2021 - 6:22:03 PM

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R. Aaij, Y. Amhis, S. Barsuk, M. Borsato, O. Kochebina, et al.. Differential branching fraction and angular analysis of Λ0b→Λ0μ+μ− decays. Journal of High Energy Physics, Springer, 2015, 2015 (6), pp.115. ⟨10.1007/JHEP06(2015)115⟩. ⟨in2p3-01135719⟩

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