Measurement of the charge asymmetry of electrons from the decays of W bosons produced in p p ¯ collisions at s =1.96 TeV MEASUREMENT of the CHARGE ASYMMETRY of ELECTRONS ... T. AALTONEN et al.

(CDF Collaboration)

doi:10.1103/PhysRevD.104.092002

Measurement of the charge asymmetry of electrons from the decays of W bosons produced in p p ¯ collisions at s =1.96 TeV MEASUREMENT of the CHARGE ASYMMETRY of ELECTRONS ... T. AALTONEN et al.

(CDF Collaboration)

Department of Physics

University of Helsinki
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Fermi National Accelerator Laboratory
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Abstract

At the Fermilab Tevatron proton-antiproton (pp¯) collider, high-mass electron-neutrino (eν) pairs are produced predominantly in the process pp¯→W(→eν)+X. The asymmetry of the electron and positron yield as a function of their pseudorapidity constrain the slope of the ratio of the u- to d-quark parton distributions versus the fraction of the proton momentum carried by the quarks. This paper reports on the measurement of the electron-charge asymmetry using the full data set recorded by the Collider Detector at Fermilab in 2001-2011 and corresponding to 9.1 fb-1 of integrated luminosity. The measurement significantly improves the precision of the Tevatron constraints on the parton-distribution functions of the proton. Numerical tables of the measurement are provided.

Original language	English
Article number	092002
Journal	Physical Review D
Volume	104
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.104.092002
State	Published - 1 Nov 2021

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10.1103/PhysRevD.104.092002

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title = "Measurement of the charge asymmetry of electrons from the decays of W bosons produced in p p ¯ collisions at s =1.96 TeV MEASUREMENT of the CHARGE ASYMMETRY of ELECTRONS ... T. AALTONEN et al.",

abstract = "At the Fermilab Tevatron proton-antiproton (pp¯) collider, high-mass electron-neutrino (eν) pairs are produced predominantly in the process pp¯→W(→eν)+X. The asymmetry of the electron and positron yield as a function of their pseudorapidity constrain the slope of the ratio of the u- to d-quark parton distributions versus the fraction of the proton momentum carried by the quarks. This paper reports on the measurement of the electron-charge asymmetry using the full data set recorded by the Collider Detector at Fermilab in 2001-2011 and corresponding to 9.1 fb-1 of integrated luminosity. The measurement significantly improves the precision of the Tevatron constraints on the parton-distribution functions of the proton. Numerical tables of the measurement are provided.",

author = "\{(CDF Collaboration)\} and T. Aaltonen and S. Amerio and D. Amidei and A. Anastassov and A. Annovi and J. Antos and G. Apollinari and Appel, \{J. A.\} and T. Arisawa and A. Artikov and J. Asaadi and W. Ashmanskas and B. Auerbach and A. Aurisano and F. Azfar and W. Badgett and T. Bae and A. Barbaro-Galtieri and Barnes, \{V. E.\} and Barnett, \{B. A.\} and P. Barria and P. Bartos and M. Bauce and F. Bedeschi and S. Behari and G. Bellettini and J. Bellinger and D. Benjamin and A. Beretvas and A. Bhatti and Bland, \{K. R.\} and B. Blumenfeld and A. Bocci and A. Bodek and D. Bortoletto and J. Boudreau and A. Boveia and L. Brigliadori and C. Bromberg and E. Brucken and J. Budagov and Budd, \{H. S.\} and K. Burkett and G. Busetto and P. Bussey and P. Butti and A. Buzatu and A. Calamba and S. Camarda and Lee, \{J. S.\}",

note = "Publisher Copyright: {\textcopyright} 2021 authors. Published by the American Physical Society.",

year = "2021",

month = nov,

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doi = "10.1103/PhysRevD.104.092002",

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AU - Bodek, A.

AU - Bortoletto, D.

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AU - Bromberg, C.

AU - Brucken, E.

AU - Budagov, J.

AU - Budd, H. S.

AU - Burkett, K.

AU - Busetto, G.

AU - Bussey, P.

AU - Butti, P.

AU - Buzatu, A.

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AU - Camarda, S.

AU - Lee, J. S.

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N2 - At the Fermilab Tevatron proton-antiproton (pp¯) collider, high-mass electron-neutrino (eν) pairs are produced predominantly in the process pp¯→W(→eν)+X. The asymmetry of the electron and positron yield as a function of their pseudorapidity constrain the slope of the ratio of the u- to d-quark parton distributions versus the fraction of the proton momentum carried by the quarks. This paper reports on the measurement of the electron-charge asymmetry using the full data set recorded by the Collider Detector at Fermilab in 2001-2011 and corresponding to 9.1 fb-1 of integrated luminosity. The measurement significantly improves the precision of the Tevatron constraints on the parton-distribution functions of the proton. Numerical tables of the measurement are provided.

AB - At the Fermilab Tevatron proton-antiproton (pp¯) collider, high-mass electron-neutrino (eν) pairs are produced predominantly in the process pp¯→W(→eν)+X. The asymmetry of the electron and positron yield as a function of their pseudorapidity constrain the slope of the ratio of the u- to d-quark parton distributions versus the fraction of the proton momentum carried by the quarks. This paper reports on the measurement of the electron-charge asymmetry using the full data set recorded by the Collider Detector at Fermilab in 2001-2011 and corresponding to 9.1 fb-1 of integrated luminosity. The measurement significantly improves the precision of the Tevatron constraints on the parton-distribution functions of the proton. Numerical tables of the measurement are provided.

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DO - 10.1103/PhysRevD.104.092002

M3 - Article

AN - SCOPUS:85119585859

SN - 2470-0010

VL - 104

JO - Physical Review D

JF - Physical Review D

IS - 9

M1 - 092002

ER -

Measurement of the charge asymmetry of electrons from the decays of W bosons produced in p p ¯ collisions at s =1.96 TeV MEASUREMENT of the CHARGE ASYMMETRY of ELECTRONS ... T. AALTONEN et al.

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