Measurement of the shape of the B0s→D∗−sμ+νμ differential decay rate

C. J. G. Onderwater; M. van Veghel; Kristof de Bruyn; LHCb Collaboration

doi:10.1007/JHEP12(2020)144

Measurement of the shape of the B0s→D∗−sμ+νμ differential decay rate

C. J. G. Onderwater, M. van Veghel, Kristof de Bruyn, LHCb Collaboration

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Abstract

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.

Original language	English
Article number	144
Number of pages	32
Journal	Journal of High Energy Physics
Volume	2020
Issue number	12
DOIs	https://doi.org/10.1007/JHEP12(2020)144
Publication status	Published - 22-Dec-2020

Keywords

CB-VERTICAL-BAR
MODEL-INDEPENDENT EXTRACTION; MONTE-CARLO; HEAVY; TOOL
MODEL-INDEPENDENT EXTRACTION
MONTE-CARLO
HEAVY
TOOL

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@article{4d7c949c6ded47d3a7b969079f8d77c6,

title = "Measurement of the shape of the B0s→D∗−sμ+νμ differential decay rate",

abstract = "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.",

keywords = "CB-VERTICAL-BAR, MODEL-INDEPENDENT EXTRACTION; MONTE-CARLO; HEAVY; TOOL, MODEL-INDEPENDENT EXTRACTION, MONTE-CARLO, HEAVY, TOOL",

author = "R. Aaij and B. Adeva and M. Adinolfi and Z. Ajaltouni and S. Akar and J. Albrecht and F. Alessio and L. Dufour and Mick Mulder and Onderwater, {C. J. G.} and A. Pellegrino and S. Tolk and {van Veghel}, M. and {de Bruyn}, Kristof and {LHCb Collaboration}",

year = "2020",

month = dec,

day = "22",

doi = "10.1007/JHEP12(2020)144",

language = "English",

volume = "2020",

journal = "Journal of High Energy Physics",

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AU - Aaij, R.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albrecht, J.

AU - Alessio, F.

AU - Dufour, L.

AU - Mulder, Mick

AU - Onderwater, C. J. G.

AU - Pellegrino, A.

AU - Tolk, S.

AU - van Veghel, M.

AU - de Bruyn, Kristof

AU - LHCb Collaboration

PY - 2020/12/22

Y1 - 2020/12/22

N2 - 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.

AB - 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.

KW - CB-VERTICAL-BAR

KW - MODEL-INDEPENDENT EXTRACTION; MONTE-CARLO; HEAVY; TOOL

KW - MODEL-INDEPENDENT EXTRACTION

KW - MONTE-CARLO

KW - HEAVY

KW - TOOL

U2 - 10.1007/JHEP12(2020)144

DO - 10.1007/JHEP12(2020)144

M3 - Article

SN - 1029-8479

VL - 2020

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 12

M1 - 144

ER -

Measurement of the shape of the B0s→D∗−sμ+νμ differential decay rate

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Keywords

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