Extracting [ital W] boson couplings from the [ital e][sup +][ital e[minus]] production of four leptons

Journal Article · Wed Dec 01 04:00:00 EST 1993 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.48.5081· OSTI ID:5803266

Kalyniak, P; Madsen, P; Sinha, N ^[1]; Sinha, R ^[2]

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1. Ottawa-Carleton Institute for Physics, Physics Department, Carleton University, 1125 Colonel By Drive, Ottawa, K1S 5B6 (Canada)
2. Theoretical Physics Group, Tata Insitute of Fundamental Research, Homi Bhabha Road, Bombay 400 005 (India)

We consider the processes [ital e][sup +][ital e[minus]][r arrow][ital l][sup +][ital l][prime][sup [minus]][nu][bar [nu]][prime], including all the possible charged lepton combinations, with regard to measuring parameters characterizing the [ital W] boson. These reactions all proceed via virtual [ital W] pair production as well as a number of undistiguished [ital s]- and [ital t]-channel modes. In addition, some of the processes also have contributions from other diagrams of interest, those which contain the [gamma][ital WW] or [ital ZWW] vertices with gauge bosons in the [ital t] channel. Consequently, the processes are sensitive to anomalous couplings such as [kappa][sub [gamma]] and [kappa][sub [ital Z]]. We here calculate at what level these processes can be used to measure these anomalous couplings for the cases of [ital e][sup +][ital e[minus]] colliders at 500 GeV and 1 TeV center-of-mass energies. Further, we present helicity information which should be useful in distinguishing between deviations of [kappa][sub [gamma]] from its standard model value and deviations of [kappa][sub [ital Z]].

• OSTI ID: 5803266
• Journal Information: Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 48:11; ISSN 0556-2821; ISSN PRVDAQ
• Country of Publication: United States
• Language: English

Related Subjects

662310* -- Weak & Electromagnetic Interactions of Leptons-- (1992-)
662440 -- Properties of Other Particles Including Hypothetical Particles-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
COUPLING
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
FERMIONS
HELICITY
INTERACTIONS
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
MATHEMATICAL MODELS
PAIR PRODUCTION
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
S CHANNEL
STANDARD MODEL
T CHANNEL
UNIFIED GAUGE MODELS
W MINUS BOSONS
W PLUS BOSONS