Studies of [ital WW] and [ital WZ] production and limits on anomalous [ital WW[gamma]] and [ital WWZ] couplings

Journal Article · Fri Oct 01 00:00:00 EDT 1999 · Physical Review, D

OSTI ID:6033342

Grinstein, S; Mostafa, M; Piegaia, R ^[1]; Alves, G A; Carvalho, W; da Motta, H; Santoro, A ^[2]; Lima, J G; Oguri, V ^[3]; Mao, H S ^[4]; Gomez, B; Mooney, P; Negret, J P ^[5]; Hoeneisen, B ^[6]; Parua, N ^[7]; Ducros, Y ^[8]; Beri, S B; Bhatnagar, V; Kohli, J M; Singh, J B ^[9] ; Shivpuri, R K ^[10]; Acharya, B S; Banerjee, S; Dugad, S R; Gupta, A; Krishnaswamy, M R; Mondal, N K; Narasimham, V S; Shankar, H C ^[11]

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1. Universidad de Buenos Aires, Buenos Aires (Argentina)
2. LAFEX, Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro (Brazil)
3. Universidade do Estado do Rio de Janeiro, Rio de Janeiro (Brazil)
4. Inst. of High Energy Physics, Beijing, Peoples Republic of (China)
5. Universidad de los Andes, Bogota (Colombia)
6. Universidad San Francisco de Quito, Quito (Ecuador)
7. Institut des Sciences Nucleaires, IN2P3-CNRS, Universite de Grenoble 1, Grenoble (France)
8. DAPNIA/Service de Physique des Particules, CEA, Saclay (France)
9. Panjab Unv., Chandigarh (India)
10. Delhi Unv., Delhi (India)
11. Tata Inst.

Evidence of anomalous WW and WZ production was sought in p[bar p] collisions at a center-of-mass energy of [radical] (s) =1.8 hthinsp;TeV. The final states WW(WZ)[r arrow][mu][nu] jet jet+X, WZ[r arrow][mu][nu]ee+X and WZ[r arrow]e[nu]ee+X were studied using a data sample corresponding to an integrated luminosity of approximately 90 hthinsp;pb[sup [minus]1]. No evidence of anomalous diboson production was found. Limits were set on anomalous WW[gamma] and WWZ couplings and were combined with our previous results. The combined 95[percent] confidence level anomalous coupling limits for [Lambda]=2 hthinsp;TeV are [minus]0.25[le][Delta][kappa][le]0.39 ([lambda]=0) and [minus]0.18[le][lambda][le]0.19 ([Delta][kappa]=0), assuming the WW[gamma] couplings are equal to the WWZ couplings. [copyright] [ital 1999] [ital The American Physical Society]

• OSTI ID: 6033342
• Journal Information: Physical Review, D, Vol. 60:7; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ELECTRONS
GAUGE INVARIANCE
INTERMEDIATE VECTOR BOSONS
MUONS
NEUTRINOS
PROTON-ANTIPROTON INTERACTIONS
W MINUS BOSONS
W PLUS BOSONS
Z NEUTRAL BOSONS
BARYON-BARYON INTERACTIONS
BOSONS
ELEMENTARY PARTICLES
FERMIONS
HADRON-HADRON INTERACTIONS
INTERACTIONS
INTERMEDIATE BOSONS
INVARIANCE PRINCIPLES
LEPTONS
MASSLESS PARTICLES
NUCLEON-ANTINUCLEON INTERACTIONS
PARTICLE INTERACTIONS
662340* - Hadron Interactions- (1992-)
662440 - Properties of Other Particles Including Hypothetical Particles- (1992-)