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Title: Measurement of the shape of the Bs0→Ds∗−μ+νμ differential decay rate
Author: LHCb Collaboration
Alfonso Albero, Alejandro
Calvo Gómez, Míriam
Camboni, Alessandro
García Moreno, P.
Garrido Beltrán, Lluís
Gascón Fora, David
Gironella Gironell, Pere
Golobardes, E.
Graciani Díaz, Ricardo
Graugés Pous, Eugeni
Manera Escalero, R.
Marin Benito, Carla
Vázquez Gómez, Ricard
Vilasis-Cardona, Xavier
Keywords: Hadrons
Gran Col·lisionador d'Hadrons
Física de partícules
Large Hadron Collider (France and Switzerland)
Particle physics
Issue Date: 22-Dec-2020
Publisher: Springer Verlag
Abstract: The shape of the B0s→D∗−sμ+νμ differential decay rate is obtained as a function of the hadron recoil parameter using proton-proton collision data at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 1.7 fb−1 collected by the LHCb detector. The B0s→D∗−sμ+νμ decay is reconstructed through the decays D∗−s→D−sγ and D−s→K−K+π−. The differential decay rate is fitted with the Caprini-Lellouch-Neubert (CLN) and Boyd-Grinstein-Lebed (BGL) parametrisations of the form factors, and the relevant quantities for both are extracted.
Note: Reproducció del document publicat a:
It is part of: Journal of High Energy Physics, 2020, num. 144
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ISSN: 1126-6708
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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