Measurement of the pp{yields}W{gamma}+X cross section at {radical}(s)=1.96 TeV and WW{gamma} anomalous coupling limits

Journal Article · Sun May 01 04:00:00 EDT 2005 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PhysRevD.71.091108· OSTI ID:20709343

Abazov, V M; Alexeev, G D; Kalinin, A M; Kharzheev, Y M; Malyshev, V L; Vertogradov, L S; Yatsunenko, Y A ^[1]; Abbott, B; Gutierrez, P; Hall, I; Jain, S; Kopal, M; Severini, H; Skubic, P; Strauss, M; Zhang, X ^[2]; Abolins, M; Brock, R; Dyer, J; Edmunds, D ^[3]

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1. Joint Institute for Nuclear Research, Dubna (Russian Federation)
2. University of Oklahoma, Norman, Oklahoma 73019 (United States)
3. Michigan State University, East Lansing, Michigan 48824 (United States); and others

The WW{gamma} triple gauge boson coupling parameters are studied using pp{yields}l{nu}{gamma}+X(l=e,{mu}) events at {radical}(s)=1.96 TeV. The data were collected with the D0 detector from an integrated luminosity of 162 pb{sup -1} delivered by the Fermilab Tevatron Collider. The cross section times branching fraction for pp{yields}W({gamma})+X{yields}l{nu}{gamma}+X with E{sub T}{sup {gamma}}>8 GeV and {delta}R{sub l{gamma}}> 0.7 is 14.8{+-}1.6(stat){+-}1.0(syst){+-}1.0(lum) pb. The one-dimensional 95% confidence level limits on anomalous couplings are -0.88<{delta}{kappa}{sub {gamma}}<0.96 and -0.20<{lambda}{sub {gamma}}<0.20.

• OSTI ID: 20709343
• Journal Information: Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 9 Vol. 71; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BRANCHING RATIO
COUPLING
FERMILAB TEVATRON
GEV RANGE
INCLUSIVE INTERACTIONS
LEPTONIC DECAY
MULTIPARTICLE SPECTROMETERS
PARTICLE IDENTIFICATION
PHOTONS
PROTON-PROTON INTERACTIONS
TEV RANGE
W MINUS BOSONS
W PLUS BOSONS