Search for Third Generation Leptoquarks in pp Collisions at s = 1.8 TeV

F. Abe, H. Akimoto, A. Akopian, M. G. Albrow, S. R. Amendolia, D. Amidei, J. Antos, C. Anway-Wiese, S. Aota, G. Apollinari, T. Asakawa, W. Ashmanskas, M. Atac, F. Azfar, P. Azzi-Bacchetta, N. Bacchetta, W. Badgett, S. Bagdasarov, M. W. Bailey, J. BaoP. de Barbaro, A. Barbaro-Galtieri, V. E. Barnes, B. A. Barnett, M. Barone, E. Barzi, G. Bauer, T. Baumann, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, D. Benjamin, J. Benlloch, J. Bensinger, D. Benton, A. Beretvas, J. P. Berge, J. Berryhill, S. Bertolucci, B. Bevensee, A. Bhatti, K. Biery, M. Binkley, D. Bisello, R. E. Blair, C. Blocker, A. Bodek, D. Cronin-Hennessy, CDF Collaboration

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1 Scopus citations


We present the results of a search for third generation leptoquark (LQ) pairs in 110±8pbࢤ1of p¯p collisions at √s=1.8TeV recorded by the Collider Detector at Fermilab. We assume third generation leptoquarks decay to a Τ lepton and a bquark with brancing ratio β. We observe one candidate event, consistent with standard model background expectations. We place upper limits on σ(p¯p→LQLQ¯2 as a function of the leptoquark mass MLQ. We exclude at 95% confidence level scalar leptoquarks with MLQ<99GeV/c2, gauge vector leptoquarks with MLQ<225GeV/c2, and nongauge vector leptoquarks with MLQ<170GeV/c2 for β=1.

Original languageEnglish (US)
Pages (from-to)2906-2911
Number of pages6
JournalPhysical review letters
Issue number10
StatePublished - 1996


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