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

CDF Collaboration

doi:10.1103/PhysRevLett.78.2906

Search for Third Generation Leptoquarks in p^⊯p Collisions at s = 1.8 TeV

CDF Collaboration

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Abstract

We present the results of a search for third generation leptoquark (LQ) pairs in 110±8pb^ࢤ1of 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^¯)β² as a function of the leptoquark mass M_LQ. We exclude at 95% confidence level scalar leptoquarks with M_LQ<99GeV/c², gauge vector leptoquarks with MLQ<225GeV/c², and nongauge vector leptoquarks with M_LQ<170GeV/c² for β=1.

Original language	English
Pages (from-to)	2906-2911
Number of pages	6
Journal	Physical Review Letters
Volume	77
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.78.2906
State	Published - 1996

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10.1103/PhysRevLett.78.2906

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@article{ec925a69e036418e8ec2f9dacf4c8947,

title = "Search for Third Generation Leptoquarks in p⊯p Collisions at s = 1.8 TeV",

abstract = "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¯)β2 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.",

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

year = "1996",

doi = "10.1103/PhysRevLett.78.2906",

language = "English",

volume = "77",

pages = "2906--2911",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "10",

}

TY - JOUR

T1 - Search for Third Generation Leptoquarks in p⊯p Collisions at s = 1.8 TeV

AU - CDF Collaboration

AU - Abe, F.

AU - Akimoto, H.

AU - Akopian, A.

AU - Albrow, M. G.

AU - Amendolia, S. R.

AU - Amidei, D.

AU - Antos, J.

AU - Anway-Wiese, C.

AU - Aota, S.

AU - Apollinari, G.

AU - Asakawa, T.

AU - Ashmanskas, W.

AU - Atac, M.

AU - Azfar, F.

AU - Azzi-Bacchetta, P.

AU - Bacchetta, N.

AU - Badgett, W.

AU - Bagdasarov, S.

AU - Bailey, M. W.

AU - Bao, J.

AU - de Barbaro, P.

AU - Barbaro-Galtieri, A.

AU - Barnes, V. E.

AU - Barnett, B. A.

AU - Barone, M.

AU - Barzi, E.

AU - Bauer, G.

AU - Baumann, T.

AU - Bedeschi, F.

AU - Behrends, S.

AU - Belforte, S.

AU - Bellettini, G.

AU - Bellinger, J.

AU - Benjamin, D.

AU - Benlloch, J.

AU - Bensinger, J.

AU - Benton, D.

AU - Beretvas, A.

AU - Berge, J. P.

AU - Berryhill, J.

AU - Bertolucci, S.

AU - Bevensee, B.

AU - Bhatti, A.

AU - Biery, K.

AU - Binkley, M.

AU - Bisello, D.

AU - Blair, R. E.

AU - Blocker, C.

AU - Bodek, A.

AU - Roser, R.

PY - 1996

Y1 - 1996

N2 - 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¯)β2 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.

AB - 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¯)β2 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.

UR - https://www.scopus.com/pages/publications/85037199186

U2 - 10.1103/PhysRevLett.78.2906

DO - 10.1103/PhysRevLett.78.2906

M3 - Article

AN - SCOPUS:85037199186

SN - 0031-9007

VL - 77

SP - 2906

EP - 2911

JO - Physical Review Letters

JF - Physical Review Letters

IS - 10

ER -

Search for Third Generation Leptoquarks in p^⊯p Collisions at s = 1.8 TeV

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