Study of Z  Bosons Produced in Association with Charm in the Forward Region

K. De Bruyn; C. J. G. Onderwater; M. van Veghel; LHCb Collaboration

doi:10.1103/PhysRevLett.128.082001

Study of Z Bosons Produced in Association with Charm in the Forward Region

K. De Bruyn, C. J. G. Onderwater, M. van Veghel, LHCb Collaboration

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Abstract

Events containing a Z boson and a charm jet are studied for the first time in the forward region of proton-proton collisions. The data sample used corresponds to an integrated luminosity of 6 fb−1 collected at a center-of-mass energy of 13 TeV with the LHCb detector. In events with a Z boson and a jet, the fraction of charm jets is determined in intervals of Z-boson rapidity in the range 2.0<y(Z)<4.5. A sizable enhancement is observed in the forwardmost y(Z) interval, which could be indicative of a valencelike intrinsic-charm component in the proton wave function.

Original language	English
Article number	082001
Number of pages	12
Journal	Physical Review Letters
Volume	128
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.128.082001
Publication status	Published - 24-Feb-2022

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10.1103/PhysRevLett.128.082001Licence: CC BY

Study of Z Bosons Produced in Association with Charm in the Forward RegionFinal publisher's version, 535 KBLicence: CC BY

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title = "Study of Z Bosons Produced in Association with Charm in the Forward Region",

abstract = "Events containing a Z boson and a charm jet are studied for the first time in the forward region of proton-proton collisions. The data sample used corresponds to an integrated luminosity of 6 fb−1 collected at a center-of-mass energy of 13 TeV with the LHCb detector. In events with a Z boson and a jet, the fraction of charm jets is determined in intervals of Z-boson rapidity in the range 2.0",

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

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doi = "10.1103/PhysRevLett.128.082001",

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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 - De Bruyn, K.

AU - Dufour, L.

AU - Mulder, Mick

AU - Onderwater, C. J. G.

AU - Pellegrino, A.

AU - Tolk, S.

AU - van Veghel, M.

AU - LHCb Collaboration

PY - 2022/2/24

Y1 - 2022/2/24

N2 - Events containing a Z boson and a charm jet are studied for the first time in the forward region of proton-proton collisions. The data sample used corresponds to an integrated luminosity of 6 fb−1 collected at a center-of-mass energy of 13 TeV with the LHCb detector. In events with a Z boson and a jet, the fraction of charm jets is determined in intervals of Z-boson rapidity in the range 2.0

AB - Events containing a Z boson and a charm jet are studied for the first time in the forward region of proton-proton collisions. The data sample used corresponds to an integrated luminosity of 6 fb−1 collected at a center-of-mass energy of 13 TeV with the LHCb detector. In events with a Z boson and a jet, the fraction of charm jets is determined in intervals of Z-boson rapidity in the range 2.0

U2 - 10.1103/PhysRevLett.128.082001

DO - 10.1103/PhysRevLett.128.082001

M3 - Article

SN - 0031-9007

VL - 128

JO - Physical Review Letters

JF - Physical Review Letters

IS - 8

M1 - 082001

ER -

Study of Z Bosons Produced in Association with Charm in the Forward Region

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