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Journal Article

Measurement of the shape of the B0s → D*-s μ+νμ


Schmelling,  M.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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LHCb Collaboration, Aaij, R., Abellan Beteta, C., Ackernley, T., Adeva, B., Adinolfi, M., et al. (2020). Measurement of the shape of the B0s → D*-s μ+νμ. Journal of high energy physics: JHEP, 2020(12): 144. doi:10.1007/JHEP12(2020)144.

Cite as: https://hdl.handle.net/21.11116/0000-0008-2CAB-7
The shape of the B-s(0) -> D-s*mu(+)nu(mu) differential decay rate is obtained as a function of the hadron recoil parameter using proton-proton collision data at a centreof-mass energy of 13TeV, corresponding to an integrated luminosity of 1.7 fb(-1) collected by the LHCb detector. The B-s(0) -> D-s*(-)mu(+)nu(mu) decay is reconstructed through the decays D-s*(-) up arrow D-s(-) gamma and D-s(-) -> K-K+pi(-). The differential decay rate is fitted with the CapriniLellouch-Neubert (CLN) and Boyd-Grinstein-Lebed (BGL) parametrisations of the form factors, and the relevant quantities for both are extracted.