Measurement of top quark polarization in tt¯ lepton+jets final states

(D0 Collaboration)

doi:10.1103/PhysRevD.95.011101

Measurement of top quark polarization in tt¯ lepton+jets final states

(D0 Collaboration)

Joint Institute for Nuclear Research, Dubna
University of Oklahoma
Tata Institute of Fundamental Research, Mumbai
University of Illinois at Chicago
Florida State University
University of Manchester
Petersburg Nuclear Physics Institute (PNPI)
University of Michigan, Ann Arbor
Augustana College
Louisiana Tech University
Czech Technical University in Prague
National University of Kyiv
Universidad de Los Andes, Colombia
CNRS
Fermi National Accelerator Laboratory
University of Virginia
Northeastern University
University of Kansas
Institut Pierre Simon Laplace, CNRS and CEA
Rua São Francisco de Xavier
Panjab University
Universités Paris VI and VII
University of Freiburg
Lancaster University
Imperial College London
University of Mississippi
Northern Illinois University
University of Nebraska-Lincoln
Stony Brook University
Moscow State University
Institute of Nuclear Research, National Academy of Sciences in Ukraine
University of Texas at Arlington
Georg-August-Universität Göttingen
University of Washington
Michigan State University
Johannes Gutenberg University
University of Liverpool
Uppsala University
CINVESTAV-IPN
University of Notre Dame
Rice University
Korea University
University of Delhi
Visitor from American Association for the Advancement of Science
Aix Marseille Université
Women and Infants Hospital of Rhode Island-Warren Alpert Medical School of Brown University
Southern Methodist University
Science Park 105
Radboud University
University of Rochester
Kurchatov Institute
Visitor from Deutshes Elektronen-Synchrotron (DESY)
University of California, Riverside
Indiana University Bloomington
Institute for Theoretical and Experimental Physics
Rutgers University–New Brunswick
Université de Strasbourg
IGFL, Université de Lyon, Université Lyon 1
University of Lyon
Laboratoire de l'Accélérateur Linéaire
University College Dublin
Oklahoma State University
University of Science and Technology of China
Iowa State University
RWTH Aachen University
Centro Brasileiro de Pesquisas Fisicas
Consejo Nacional de Ciencia y Tecnología
University College London
Universidad San Francisco de Quito
University at Buffalo, The State University of New York
University of Maryland, College Park
University of Arizona
Purdue University
The Barcelona Institute of Science and Technology
Institute of Physics of the Czech Academy of Sciences
Instituto Politécnico Nacional
Federal University of ABC (UFABC)
Institute of Meteorology and Climate Research
Universität München
Purdue University Northwest
Stanford Linear Accelerator Center
Brookhaven National Laboratory
U.S. Department of Energy
Laboratoire de Physique Subatomique et de Cosmologie de Grenoble
São Paulo State University
Northwestern University
Oregon State University
Langston University
Charles University
Princeton University
European Organization for Nuclear Research
University of Belgrade

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

9 Citations (Scopus)

Résumé

We present a measurement of top quark polarization in tt- pair production in pp- collisions at s=1.96 TeV using data corresponding to 9.7 fb-1 of integrated luminosity recorded with the D0 detector at the Fermilab Tevatron Collider. We consider final states containing a lepton and at least three jets. The polarization is measured through the distribution of lepton angles along three axes: the beam axis, the helicity axis, and the transverse axis normal to the tt- production plane. This is the first measurement of top quark polarization at the Tevatron using lepton+jet final states and the first measurement of the transverse polarization in tt- production. The observed distributions are consistent with standard model predictions of nearly no polarization.

langue originale	Anglais
Numéro d'article	011101
journal	Physical Review D
Volume	95
Numéro de publication	1
Les DOIs	https://doi.org/10.1103/PhysRevD.95.011101
état	Publié - 9 janv. 2017
Modification externe	Oui

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10.1103/PhysRevD.95.011101

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@article{9907c9e586644d3e81109b0b3f4823cc,

title = "Measurement of top quark polarization in tt¯ lepton+jets final states",

abstract = "We present a measurement of top quark polarization in tt- pair production in pp- collisions at s=1.96 TeV using data corresponding to 9.7 fb-1 of integrated luminosity recorded with the D0 detector at the Fermilab Tevatron Collider. We consider final states containing a lepton and at least three jets. The polarization is measured through the distribution of lepton angles along three axes: the beam axis, the helicity axis, and the transverse axis normal to the tt- production plane. This is the first measurement of top quark polarization at the Tevatron using lepton+jet final states and the first measurement of the transverse polarization in tt- production. The observed distributions are consistent with standard model predictions of nearly no polarization.",

author = "\{(D0 Collaboration)\} 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 A. Askew and S. Atkins and K. Augsten and V. Aushev and Y. Aushev and C. Avila and F. Badaud and L. Bagby and B. Baldin and Bandurin, \{D. V.\} and S. Banerjee and E. Barberis and P. Baringer and Bartlett, \{J. F.\} and U. Bassler and V. Bazterra and A. Bean and M. Begalli and L. Bellantoni and Beri, \{S. B.\} and G. Bernardi and R. Bernhard and I. Bertram and M. Besan{\c c}on and R. Beuselinck and Bhat, \{P. C.\} and S. Bhatia and V. Bhatnagar and G. Blazey and S. Blessing and K. Bloom and A. Boehnlein and D. Boline and Boos, \{E. E.\} and G. Borissov and M. Borysova and A. Brandt and O. Brandt and M. Brochmann and R. Brock and A. Bross",

note = "Publisher Copyright: {\textcopyright} 2017 American Physical Society.",

year = "2017",

month = jan,

day = "9",

doi = "10.1103/PhysRevD.95.011101",

language = "English",

volume = "95",

journal = "Physical Review D",

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T1 - Measurement of top quark polarization in tt¯ lepton+jets final states

AU - (D0 Collaboration)

AU - Abazov, V. M.

AU - Abbott, B.

AU - Acharya, B. S.

AU - Adams, M.

AU - Adams, T.

AU - Agnew, J. P.

AU - Alexeev, G. D.

AU - Alkhazov, G.

AU - Alton, A.

AU - Askew, A.

AU - Atkins, S.

AU - Augsten, K.

AU - Aushev, V.

AU - Aushev, Y.

AU - Avila, C.

AU - Badaud, F.

AU - Bagby, L.

AU - Baldin, B.

AU - Bandurin, D. V.

AU - Banerjee, S.

AU - Barberis, E.

AU - Baringer, P.

AU - Bartlett, J. F.

AU - Bassler, U.

AU - Bazterra, V.

AU - Bean, A.

AU - Begalli, M.

AU - Bellantoni, L.

AU - Beri, S. B.

AU - Bernardi, G.

AU - Bernhard, R.

AU - Bertram, I.

AU - Besançon, M.

AU - Beuselinck, R.

AU - Bhat, P. C.

AU - Bhatia, S.

AU - Bhatnagar, V.

AU - Blazey, G.

AU - Blessing, S.

AU - Bloom, K.

AU - Boehnlein, A.

AU - Boline, D.

AU - Boos, E. E.

AU - Borissov, G.

AU - Borysova, M.

AU - Brandt, A.

AU - Brandt, O.

AU - Brochmann, M.

AU - Brock, R.

AU - Bross, A.

PY - 2017/1/9

Y1 - 2017/1/9

N2 - We present a measurement of top quark polarization in tt- pair production in pp- collisions at s=1.96 TeV using data corresponding to 9.7 fb-1 of integrated luminosity recorded with the D0 detector at the Fermilab Tevatron Collider. We consider final states containing a lepton and at least three jets. The polarization is measured through the distribution of lepton angles along three axes: the beam axis, the helicity axis, and the transverse axis normal to the tt- production plane. This is the first measurement of top quark polarization at the Tevatron using lepton+jet final states and the first measurement of the transverse polarization in tt- production. The observed distributions are consistent with standard model predictions of nearly no polarization.

AB - We present a measurement of top quark polarization in tt- pair production in pp- collisions at s=1.96 TeV using data corresponding to 9.7 fb-1 of integrated luminosity recorded with the D0 detector at the Fermilab Tevatron Collider. We consider final states containing a lepton and at least three jets. The polarization is measured through the distribution of lepton angles along three axes: the beam axis, the helicity axis, and the transverse axis normal to the tt- production plane. This is the first measurement of top quark polarization at the Tevatron using lepton+jet final states and the first measurement of the transverse polarization in tt- production. The observed distributions are consistent with standard model predictions of nearly no polarization.

UR - https://www.scopus.com/pages/publications/85016313492

U2 - 10.1103/PhysRevD.95.011101

DO - 10.1103/PhysRevD.95.011101

M3 - Article

AN - SCOPUS:85016313492

SN - 2470-0010

VL - 95

JO - Physical Review D

JF - Physical Review D

IS - 1

M1 - 011101

ER -

Measurement of top quark polarization in tt¯ lepton+jets final states

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