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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Journal of High Energy Physics, Springer, 2015, 2015 (6), pp.115. 〈10.1007/JHEP06(2015)115〉
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Soumis le : mercredi 25 mars 2015 - 17:28:59
Dernière modification le : jeudi 18 janvier 2018 - 01:37:09

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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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