Search for new gauge bosons decaying into dielectrons in p¯p collisions at √s = 1.8 TeV

F. Abe, M. G. Albrow, D. Amidei, J. Amtos, C. Anway-Wiese, G. Apollinari, H. Areti, M. Atac, P. Auchincloss, F. Azfar, P. Azzi, N. Bacchetta, W. Badgett, M. W. Bailey, J. Bao, P. De Barbaro, A. Barbaro-Galtieri, V. E. Barnes, B. A. Barnett, P. BartaliniG. Bauer, T. Baumann, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, D. Benjamin, J. Benlloch, J. Bensinger, D. Benton, A. Berelvas, J. P. Berge, S. Bertolucci, A. Bhatti, K. Biery, M. Binkley, F. Bird, D. Bisello, R. E. Blair, C. Blocker, A. Bodek, V. Bolognesi, D. Bortoletto, C. Boswell, T. Boulos, G. Brandenburg, E. Bucklcy-Geer, H. S. Budd, D. Cronin-Hennessy, CDF Collaboration

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45 Scopus citations

Abstract

We have searched for heavy neutral gauge bosons (Z') in p̄p collisions at s=1.8 TeV. The data were obtained using the CDF detector during the 1992-1993 run corresponding to an integrated luminosity of 19.7±0.7 pb-1. We present a 95% confidence level upper limit on the production cross section times the branching ratio of Z' decaying into dielectrons as a function of Z' mass. Assuming standard model coupling strengths, we exclude a Z' with a mass less than 505 GeV/c2. We also present lower mass limits for Z' bosons from E6 models and the alternative left-right model.

Original languageEnglish (US)
Pages (from-to)R949-R953
JournalPhysical Review D
Volume51
Issue number3
DOIs
StatePublished - 1995

Bibliographical note

Publisher Copyright:
© 1995 The American Physical Society

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