Measurement of Z boson production in Pb-Pb collisions at √SNN = 2.76 TeV with the ATLAS detector

ATLAS Collaboration

doi:10.1103/PhysRevLett.110.022301

Measurement of Z boson production in Pb-Pb collisions at √S_NN = 2.76 TeV with the ATLAS detector

ATLAS Collaboration

Department of Physics

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54 Scopus citations

Abstract

The ATLAS experiment has observed 1995 Z boson candidates in data corresponding to 0:15 nb^-1 of integrated luminosity obtained in the 2011 LHC Pb + Pb run at √S_NN = 2.76 TeV. The Z bosons are reconstructed via dielectron and dimuon decay channels, with a background contamination of less than 3%. Results from the two channels are consistent and are combined. Within the statistical and systematic uncertainties, the per-event Z boson yield is proportional to the number of binary collisions estimated by the Glauber model. The elliptic anisotropy of the azimuthal distribution of the Z boson with respect to the event plane is found to be consistent with zero.

Original language	English
Article number	022301
Pages (from-to)	022301-1-022301-18
Journal	Physical Review Letters
Volume	110
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevLett.110.022301
State	Published - Dec 2021

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10.1103/PhysRevLett.110.022301

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@article{25189d3150e044bbae1a32603fc5bcba,

title = "Measurement of Z boson production in Pb-Pb collisions at √SNN = 2.76 TeV with the ATLAS detector",

abstract = "The ATLAS experiment has observed 1995 Z boson candidates in data corresponding to 0:15 nb-1 of integrated luminosity obtained in the 2011 LHC Pb + Pb run at √SNN = 2.76 TeV. The Z bosons are reconstructed via dielectron and dimuon decay channels, with a background contamination of less than 3\%. Results from the two channels are consistent and are combined. Within the statistical and systematic uncertainties, the per-event Z boson yield is proportional to the number of binary collisions estimated by the Glauber model. The elliptic anisotropy of the azimuthal distribution of the Z boson with respect to the event plane is found to be consistent with zero.",

author = "\{ATLAS Collaboration\} and G. Aad and T. Abajyan and B. Abbott and J. Abdallah and \{Abdel Khalek\}, S. and Abdelalim, \{A. A.\} and O. Abdinov and R. Aben and B. Abi and M. Abolins and \{Abou Zeid\}, \{O. S.\} and H. Abramowicz and H. Abreu and Acharya, \{B. S.\} and L. Adamczyk and Adams, \{D. L.\} and Addy, \{T. N.\} and J. Adelman and S. Adomeit and P. Adragna and T. Adye and S. Aefsky and Aguilar-Saavedra, \{J. A.\} and M. Agustoni and M. Aharrouche and Ahlen, \{S. P.\} and F. Ahles and A. Ahmad and M. Ahsan and G. Aielli and T. Akdogan and {\AA}kesson, \{T. P.A.\} and G. Akimoto and Akimov, \{A. V.\} and Alam, \{M. S.\} and Alam, \{M. A.\} and J. Albert and S. Albrand and M. Aleksa and Aleksandrov, \{I. N.\} and F. Alessandria and C. Alexa and G. Alexander and G. Alexandre and T. Alexopoulos and M. Alhroob and M. Aliev and G. Alimonti and J. Alison and Lee, \{J. S.H.\}",

note = "Publisher Copyright: {\textcopyright} 2013 CERN.",

year = "2021",

month = dec,

doi = "10.1103/PhysRevLett.110.022301",

language = "English",

volume = "110",

pages = "022301--1--022301--18",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "2",

}

TY - JOUR

T1 - Measurement of Z boson production in Pb-Pb collisions at √SNN = 2.76 TeV with the ATLAS detector

AU - ATLAS Collaboration

AU - Aad, G.

AU - Abajyan, T.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdel Khalek, S.

AU - Abdelalim, A. A.

AU - Abdinov, O.

AU - Aben, R.

AU - Abi, B.

AU - Abolins, M.

AU - Abou Zeid, O. S.

AU - Abramowicz, H.

AU - Abreu, H.

AU - Acharya, B. S.

AU - Adamczyk, L.

AU - Adams, D. L.

AU - Addy, T. N.

AU - Adelman, J.

AU - Adomeit, S.

AU - Adragna, P.

AU - Adye, T.

AU - Aefsky, S.

AU - Aguilar-Saavedra, J. A.

AU - Agustoni, M.

AU - Aharrouche, M.

AU - Ahlen, S. P.

AU - Ahles, F.

AU - Ahmad, A.

AU - Ahsan, M.

AU - Aielli, G.

AU - Akdogan, T.

AU - Åkesson, T. P.A.

AU - Akimoto, G.

AU - Akimov, A. V.

AU - Alam, M. S.

AU - Alam, M. A.

AU - Albert, J.

AU - Albrand, S.

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alessandria, F.

AU - Alexa, C.

AU - Alexander, G.

AU - Alexandre, G.

AU - Alexopoulos, T.

AU - Alhroob, M.

AU - Aliev, M.

AU - Alimonti, G.

AU - Alison, J.

AU - Lee, J. S.H.

PY - 2021/12

Y1 - 2021/12

N2 - The ATLAS experiment has observed 1995 Z boson candidates in data corresponding to 0:15 nb-1 of integrated luminosity obtained in the 2011 LHC Pb + Pb run at √SNN = 2.76 TeV. The Z bosons are reconstructed via dielectron and dimuon decay channels, with a background contamination of less than 3%. Results from the two channels are consistent and are combined. Within the statistical and systematic uncertainties, the per-event Z boson yield is proportional to the number of binary collisions estimated by the Glauber model. The elliptic anisotropy of the azimuthal distribution of the Z boson with respect to the event plane is found to be consistent with zero.

AB - The ATLAS experiment has observed 1995 Z boson candidates in data corresponding to 0:15 nb-1 of integrated luminosity obtained in the 2011 LHC Pb + Pb run at √SNN = 2.76 TeV. The Z bosons are reconstructed via dielectron and dimuon decay channels, with a background contamination of less than 3%. Results from the two channels are consistent and are combined. Within the statistical and systematic uncertainties, the per-event Z boson yield is proportional to the number of binary collisions estimated by the Glauber model. The elliptic anisotropy of the azimuthal distribution of the Z boson with respect to the event plane is found to be consistent with zero.

UR - https://www.scopus.com/pages/publications/84872126600

U2 - 10.1103/PhysRevLett.110.022301

DO - 10.1103/PhysRevLett.110.022301

M3 - Article

AN - SCOPUS:84872126600

SN - 0031-9007

VL - 110

SP - 022301-1-022301-18

JO - Physical Review Letters

JF - Physical Review Letters

IS - 2

M1 - 022301

ER -

Measurement of Z boson production in Pb-Pb collisions at √S_NN = 2.76 TeV with the ATLAS detector

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