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Title: Production of WZ events in p anti-p collisions at s**(1/2) = 1.96-TeV and limits on anomalous WWZ couplings

Abstract

The authors present results from a search for WZ production with subsequent decay to {ell}{nu}{ell}'{bar {ell}}' ({ell} and {ell}' = e or {mu}) using 0.30 fb{sup -1} of data collected by the D0 experiment between 2002 and 2004 at the Tevatron. Three events with WZ decay characteristics are observed. With an estimated background of 0.71 {+-} 0.08 events, we measure the WZ production cross section to be 4.5{sub -2.6}{sup +3.8} pb, with a 95% C.L. upper limit of 13.3 pb. The 95% C.L. limits for anomalous WWZ couplings are found to be -2.0 < {Delta}{kappa}{sub Z} < 2.4 for form factor scale {Lambda} = 1 TeV, and -0.48 < {lambda}{sub Z} < 0.48 and -0.49 < {Delta}g{sub 1}{sup Z} < 0.66 for {Lambda} = 1.5 TeV.

Authors:
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Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
15017233
Report Number(s):
FERMILAB-PUB-05-061-E
Journal ID: ISSN 0031-9007; PRLTAO; arXiv eprint number hep-ex/0504019; TRN: US0602530
DOE Contract Number:  
AC02-76CH03000
Resource Type:
Journal Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 95; Journal ID: ISSN 0031-9007
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; CROSS SECTIONS; DECAY; FERMILAB TEVATRON; FORM FACTORS; PRODUCTION; Experiment-HEP

Citation Formats

Abazov, V M, Abbott, B, Abolins, M, Acharya, B S, Adams, M, Adams, T, Agelou, M, Agram, J -L, Ahn, S H, Ahsan, M, Alexeev, G D, Alkhazov, G, Alton, A, Alverson, G, Alves, G A, Anastasoaie, M, Andeen, T, Anderson, S, Andrieu, B, Arnoud, Y, Askew, A, and /Buenos Aires U. /Rio de Janeiro, CBPF /Rio de Janeiro State U. /SaoPaulo, IFT /Alberta U. /Simon Fraser U. /York U., Canada /McGill U. /Beijing, Inst. High Energy Phys. /Hefei, CUST /Andes U., Bogota /Charles U. /Prague, Tech. U. /Prague, Inst.Phys. /San Francisco de Quito U. /Clermont-Ferrand U. /LPSC, Grenoble /Marseille, CPPM /Orsay, LAL /Paris U., VI-VII /DAPNIA, Saclay. Production of WZ events in p anti-p collisions at s**(1/2) = 1.96-TeV and limits on anomalous WWZ couplings. United States: N. p., 2005. Web. doi:10.1103/PhysRevLett.95.141802.
Abazov, V M, Abbott, B, Abolins, M, Acharya, B S, Adams, M, Adams, T, Agelou, M, Agram, J -L, Ahn, S H, Ahsan, M, Alexeev, G D, Alkhazov, G, Alton, A, Alverson, G, Alves, G A, Anastasoaie, M, Andeen, T, Anderson, S, Andrieu, B, Arnoud, Y, Askew, A, & /Buenos Aires U. /Rio de Janeiro, CBPF /Rio de Janeiro State U. /SaoPaulo, IFT /Alberta U. /Simon Fraser U. /York U., Canada /McGill U. /Beijing, Inst. High Energy Phys. /Hefei, CUST /Andes U., Bogota /Charles U. /Prague, Tech. U. /Prague, Inst.Phys. /San Francisco de Quito U. /Clermont-Ferrand U. /LPSC, Grenoble /Marseille, CPPM /Orsay, LAL /Paris U., VI-VII /DAPNIA, Saclay. Production of WZ events in p anti-p collisions at s**(1/2) = 1.96-TeV and limits on anomalous WWZ couplings. United States. doi:10.1103/PhysRevLett.95.141802.
Abazov, V M, Abbott, B, Abolins, M, Acharya, B S, Adams, M, Adams, T, Agelou, M, Agram, J -L, Ahn, S H, Ahsan, M, Alexeev, G D, Alkhazov, G, Alton, A, Alverson, G, Alves, G A, Anastasoaie, M, Andeen, T, Anderson, S, Andrieu, B, Arnoud, Y, Askew, A, and /Buenos Aires U. /Rio de Janeiro, CBPF /Rio de Janeiro State U. /SaoPaulo, IFT /Alberta U. /Simon Fraser U. /York U., Canada /McGill U. /Beijing, Inst. High Energy Phys. /Hefei, CUST /Andes U., Bogota /Charles U. /Prague, Tech. U. /Prague, Inst.Phys. /San Francisco de Quito U. /Clermont-Ferrand U. /LPSC, Grenoble /Marseille, CPPM /Orsay, LAL /Paris U., VI-VII /DAPNIA, Saclay. Fri . "Production of WZ events in p anti-p collisions at s**(1/2) = 1.96-TeV and limits on anomalous WWZ couplings". United States. doi:10.1103/PhysRevLett.95.141802. https://www.osti.gov/servlets/purl/15017233.
@article{osti_15017233,
title = {Production of WZ events in p anti-p collisions at s**(1/2) = 1.96-TeV and limits on anomalous WWZ couplings},
author = {Abazov, V M and Abbott, B and Abolins, M and Acharya, B S and Adams, M and Adams, T and Agelou, M and Agram, J -L and Ahn, S H and Ahsan, M and Alexeev, G D and Alkhazov, G and Alton, A and Alverson, G and Alves, G A and Anastasoaie, M and Andeen, T and Anderson, S and Andrieu, B and Arnoud, Y and Askew, A and /Buenos Aires U. /Rio de Janeiro, CBPF /Rio de Janeiro State U. /SaoPaulo, IFT /Alberta U. /Simon Fraser U. /York U., Canada /McGill U. /Beijing, Inst. High Energy Phys. /Hefei, CUST /Andes U., Bogota /Charles U. /Prague, Tech. U. /Prague, Inst.Phys. /San Francisco de Quito U. /Clermont-Ferrand U. /LPSC, Grenoble /Marseille, CPPM /Orsay, LAL /Paris U., VI-VII /DAPNIA, Saclay},
abstractNote = {The authors present results from a search for WZ production with subsequent decay to {ell}{nu}{ell}'{bar {ell}}' ({ell} and {ell}' = e or {mu}) using 0.30 fb{sup -1} of data collected by the D0 experiment between 2002 and 2004 at the Tevatron. Three events with WZ decay characteristics are observed. With an estimated background of 0.71 {+-} 0.08 events, we measure the WZ production cross section to be 4.5{sub -2.6}{sup +3.8} pb, with a 95% C.L. upper limit of 13.3 pb. The 95% C.L. limits for anomalous WWZ couplings are found to be -2.0 < {Delta}{kappa}{sub Z} < 2.4 for form factor scale {Lambda} = 1 TeV, and -0.48 < {lambda}{sub Z} < 0.48 and -0.49 < {Delta}g{sub 1}{sup Z} < 0.66 for {Lambda} = 1.5 TeV.},
doi = {10.1103/PhysRevLett.95.141802},
journal = {Physical Review Letters},
issn = {0031-9007},
number = ,
volume = 95,
place = {United States},
year = {2005},
month = {4}
}