Tevatron Run II combination of the effective leptonic electroweak mixing angle

CDF Collaboration

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Drell-Yan lepton pairs produced in the process pp→â.,"+â.,"-+X through an intermediate γ∗/Z boson have an asymmetry in their angular distribution related to the spontaneous symmetry breaking of the electroweak force and the associated mixing of its neutral gauge bosons. The CDF and D0 experiments have measured the effective-leptonic electroweak mixing parameter sin2θefflept using electron and muon pairs selected from the full Tevatron proton-antiproton data sets collected in 2001-2011, corresponding to 9-10 fb-1 of integrated luminosity. The combination of these measurements yields the most precise result from hadron colliders, sin2θefflept=0.23148±0.00033. This result is consistent with, and approaches in precision, the best measurements from electron-positron colliders. The standard model inference of the on-shell electroweak mixing parameter sin2θW, or equivalently the W-boson mass MW, using the zfitter software package yields sin2θW=0.22324±0.00033 or equivalently, MW=80.367±0.017 GeV/c2.

Original languageEnglish
Article number112007
JournalPhysical Review D
Volume97
Issue number11
DOIs
Publication statusPublished - 2018 Jun 28

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bosons
antiprotons
inference
leptons
muons
positrons
broken symmetry
electrons
angular distribution
luminosity
asymmetry
computer programs
protons

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Tevatron Run II combination of the effective leptonic electroweak mixing angle. / CDF Collaboration.

In: Physical Review D, Vol. 97, No. 11, 112007, 28.06.2018.

Research output: Contribution to journalArticle

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abstract = "Drell-Yan lepton pairs produced in the process pp→{\^a}.,{"}+{\^a}.,{"}-+X through an intermediate γ∗/Z boson have an asymmetry in their angular distribution related to the spontaneous symmetry breaking of the electroweak force and the associated mixing of its neutral gauge bosons. The CDF and D0 experiments have measured the effective-leptonic electroweak mixing parameter sin2θefflept using electron and muon pairs selected from the full Tevatron proton-antiproton data sets collected in 2001-2011, corresponding to 9-10 fb-1 of integrated luminosity. The combination of these measurements yields the most precise result from hadron colliders, sin2θefflept=0.23148±0.00033. This result is consistent with, and approaches in precision, the best measurements from electron-positron colliders. The standard model inference of the on-shell electroweak mixing parameter sin2θW, or equivalently the W-boson mass MW, using the zfitter software package yields sin2θW=0.22324±0.00033 or equivalently, MW=80.367±0.017 GeV/c2.",
author = "{CDF Collaboration} and T. Aaltonen and Abazov, {V. M.} and B. Abbott and Acharya, {B. S.} and M. Adams and T. Adams and Agnew, {J. P.} and Alexeev, {G. D.} and G. Alkhazov and A. Alton and S. Amerio and D. Amidei and A. Anastassov and A. Annovi and J. Antos and G. Apollinari and Appel, {J. A.} and Tetsuo Arisawa and A. Artikov and J. Asaadi and W. Ashmanskas and A. Askew and S. Atkins and B. Auerbach and K. Augsten and A. Aurisano and V. Aushev and Y. Aushev and C. Avila and F. Azfar and F. Badaud and W. Badgett and T. Bae and L. Bagby and B. Baldin and Bandurin, {D. V.} and S. Banerjee and A. Barbaro-Galtieri and E. Barberis and P. Baringer and Barnes, {V. E.} and Barnett, {B. A.} and P. Barria and Bartlett, {J. F.} and P. Bartos and U. Bassler and M. Bauce and V. Bazterra and A. Bean and Kohei Yorita",
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AU - Adams, T.

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AU - Augsten, K.

AU - Aurisano, A.

AU - Aushev, V.

AU - Aushev, Y.

AU - Avila, C.

AU - Azfar, F.

AU - Badaud, F.

AU - Badgett, W.

AU - Bae, T.

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AU - Baldin, B.

AU - Bandurin, D. V.

AU - Banerjee, S.

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AU - Bartlett, J. F.

AU - Bartos, P.

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AU - Bean, A.

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N2 - Drell-Yan lepton pairs produced in the process pp→â.,"+â.,"-+X through an intermediate γ∗/Z boson have an asymmetry in their angular distribution related to the spontaneous symmetry breaking of the electroweak force and the associated mixing of its neutral gauge bosons. The CDF and D0 experiments have measured the effective-leptonic electroweak mixing parameter sin2θefflept using electron and muon pairs selected from the full Tevatron proton-antiproton data sets collected in 2001-2011, corresponding to 9-10 fb-1 of integrated luminosity. The combination of these measurements yields the most precise result from hadron colliders, sin2θefflept=0.23148±0.00033. This result is consistent with, and approaches in precision, the best measurements from electron-positron colliders. The standard model inference of the on-shell electroweak mixing parameter sin2θW, or equivalently the W-boson mass MW, using the zfitter software package yields sin2θW=0.22324±0.00033 or equivalently, MW=80.367±0.017 GeV/c2.

AB - Drell-Yan lepton pairs produced in the process pp→â.,"+â.,"-+X through an intermediate γ∗/Z boson have an asymmetry in their angular distribution related to the spontaneous symmetry breaking of the electroweak force and the associated mixing of its neutral gauge bosons. The CDF and D0 experiments have measured the effective-leptonic electroweak mixing parameter sin2θefflept using electron and muon pairs selected from the full Tevatron proton-antiproton data sets collected in 2001-2011, corresponding to 9-10 fb-1 of integrated luminosity. The combination of these measurements yields the most precise result from hadron colliders, sin2θefflept=0.23148±0.00033. This result is consistent with, and approaches in precision, the best measurements from electron-positron colliders. The standard model inference of the on-shell electroweak mixing parameter sin2θW, or equivalently the W-boson mass MW, using the zfitter software package yields sin2θW=0.22324±0.00033 or equivalently, MW=80.367±0.017 GeV/c2.

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