Artículo
Study of the e+e−→Zγ process at LEP and limits on triple neutral-gauge-boson couplings
Achard, P.; Adriani, O.; Aguilar Benitez, M.; Alcaraz, J.; Dova, Maria Teresa
; Wadhwa, M.; Wang, X. L.; Wang, Z. M.; Weber, M.; Wilkens, H.; Wynhoff, S.; Xia, L.; Xu, Z.Z.; Yamamoto, J.; Yang, B. Z.; Yang, C. G.; Yang, H. J.; Yang, M.; Yeh, S.C.; Zalite, An.; Zalite, Yu.; Zhang, Z. P.; Zhao, J.; Zhu, G. Y.; Zhu, R. Y.; Zhuang, H.L.; Zichichi, A.; Zimmermann, B.; Zöller, M.; L[Tres] Collaboration
Fecha de publicación:
09/2004
Editorial:
Elsevier Science
Revista:
Physics Letters B
ISSN:
0370-2693
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
The process e^+e^- --> Z gamma, where the Z boson decays into hadrons or
neutrinos, is studied with data collected with the L3 detector at LEP at
centre-of-mass energies from 189 GeV up to 209 GeV. The cross sections are
measured and found to be in agreement with the Standard Model predictions.
Limits on triple neutral-gauge-boson couplings, forbidden in the Standard Model
at tree level, are derived. Limits on the energy scales at which the anomalous
couplings could be manifest are set. They range from 0.3 TeV to 2.3 TeV
depending on the new physics effect under consideration.
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Articulos de INST.DE FISICA LA PLATA
Citación
Achard, P.; Adriani, O.; Aguilar Benitez, M.; Alcaraz, J.; Dova, Maria Teresa; et al.; Study of the e+e−→Zγ process at LEP and limits on triple neutral-gauge-boson couplings; Elsevier Science; Physics Letters B; 597; 2; 9-2004; 119-130
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