Elsevier

Physics Letters B

Volume 712, Issues 4–5, 12 June 2012, Pages 289-308
Physics Letters B

Measurement of the WW cross section in s=7 TeV pp collisions with the ATLAS detector and limits on anomalous gauge couplings

https://doi.org/10.1016/j.physletb.2012.05.003Get rights and content
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Abstract

This Letter reports a measurement of the WW production cross section in s=7 TeV pp collisions using data corresponding to an integrated luminosity of 1.02 fb−1 collected with the ATLAS detector. Using leptonic decays of oppositely charged W bosons, the total measured cross section is σ(ppWW)=54.4±4.0(stat.)±3.9(syst.)±2.0(lumi.) pb, consistent with the Standard Model prediction of σ(ppWW)=44.4±2.8 pb. Limits on anomalous electroweak triple-gauge couplings are extracted from a fit to the transverse-momentum distribution of the leading charged lepton in the event.

Cited by (0)

© CERN for the benefit of the ATLAS Collaboration.

E-mail address: [email protected].

a

Also at Laboratorio de Instrumentacao e Fisica Experimental de Particulas – LIP, Lisboa, Portugal.

b

Also at Faculdade de Ciencias and CFNUL, Universidade de Lisboa, Lisboa, Portugal.

c

Also at Particle Physics Department, Rutherford Appleton Laboratory, Didcot, United Kingdom.

d

Also at TRIUMF, Vancouver, BC, Canada.

e

Also at Department of Physics, California State University, Fresno, CA, United States.

f

Also at Novosibirsk State University, Novosibirsk, Russia.

g

Also at Fermilab, Batavia, IL, United States.

h

Also at Department of Physics, University of Coimbra, Coimbra, Portugal.

i

Also at Università di Napoli Parthenope, Napoli, Italy.

j

Also at Institute of Particle Physics (IPP), Canada.

k

Also at Department of Physics, Middle East Technical University, Ankara, Turkey.

l

Also at Louisiana Tech University, Ruston, LA, United States.

m

Also at Department of Physics and Astronomy, University College London, London, United Kingdom.

n

Also at Group of Particle Physics, University of Montreal, Montreal, QC, Canada.

o

Also at Department of Physics, University of Cape Town, Cape Town, South Africa.

p

Also at Institute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan.

q

Also at Institut für Experimentalphysik, Universität Hamburg, Hamburg, Germany.

r

Also at Manhattan College, New York, NY, United States.

s

Also at School of Physics, Shandong University, Shandong, China.

t

Also at CPPM, Aix-Marseille Université and CNRS/IN2P3, Marseille, France.

u

Also at School of Physics and Engineering, Sun Yat-sen University, Guanzhou, China.

v

Also at Academia Sinica Grid Computing, Institute of Physics, Academia Sinica, Taipei, Taiwan.

w

Also at DSM/IRFU (Institut de Recherches sur les Lois Fondamentales de lʼUnivers), CEA Saclay (Commissariat a lʼEnergie Atomique), Gif-sur-Yvette, France.

x

Also at Section de Physique, Université de Genève, Geneva, Switzerland.

y

Also at Departamento de Fisica, Universidade de Minho, Braga, Portugal.

z

Also at Department of Physics and Astronomy, University of South Carolina, Columbia, SC, United States.

aa

Also at Institute for Particle and Nuclear Physics, Wigner Research Centre for Physics, Budapest, Hungary.

ab

Also at California Institute of Technology, Pasadena, CA, United States.

ac

Also at Institute of Physics, Jagiellonian University, Krakow, Poland.

ad

Also at LAL, Univ. Paris-Sud and CNRS/IN2P3, Orsay, France.

ae

Also at Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom.

af

Also at Department of Physics, Oxford University, Oxford, United Kingdom.

ag

Also at Institute of Physics, Academia Sinica, Taipei, Taiwan.

ah

Also at Department of Physics, The University of Michigan, Ann Arbor, MI, United States.

Deceased.