Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider

F. Abe; H. Akimoto; A. Akopian; M. G. Albrow; A. Amadon; S. R. Amendolia; D. Amidei; J. Antos; S. Aota; G. Apollinari; T. Arisawa; T. Asakawa; W. Ashmanskas; M. Atac; P. Azzi-Bacchetta; N. Bacchetta; S. Bagdasarov; M. W. Bailey; P. de Barbaro; A. Barbaro-Galtieri; V. E. Barnes; B. A. Barnett; M. Barone; G. Bauer; T. Baumann; F. Bedeschi; S. Behrends; S. Belforte; G. Bellettini; J. Bellinger; D. Benjamin; J. Bensinger; A. Beretvas; J. P. Berge; J. Berryhill; S. Bertolucci; S. Bettelli; B. Bevensee; A. Bhatti; K. Biery; C. Bigongiari; M. Binkley; D. Bisello; R. E. Blair; C. Blocker; S. Blusk; A. Bodek; W. Bokhari; G. Bolla; D. Cronin-Hennessy; University of Toronto, Toronto M5S 1A7, Canada

doi:10.1103/PhysRevLett.80.5275

Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider

F. Abe, H. Akimoto, A. Akopian, M. G. Albrow, A. Amadon, S. R. Amendolia, D. Amidei, J. Antos, S. Aota, G. Apollinari, T. Arisawa, T. Asakawa, W. Ashmanskas, M. Atac, P. Azzi-Bacchetta, N. Bacchetta, S. Bagdasarov, M. W. Bailey, P. de Barbaro, A. Barbaro-GaltieriV. E. Barnes, B. A. Barnett, M. Barone, G. Bauer, T. Baumann, F. Bedeschi, S. Behrends, S. Belforte, G. Bellettini, J. Bellinger, D. Benjamin, J. Bensinger, A. Beretvas, J. P. Berge, J. Berryhill, S. Bertolucci, S. Bettelli, B. Bevensee, A. Bhatti, K. Biery, C. Bigongiari, M. Binkley, D. Bisello, R. E. Blair, C. Blocker, S. Blusk, A. Bodek, W. Bokhari, G. Bolla, D. Cronin-Hennessy, University of Toronto, Toronto M5S 1A7, Canada

Physics and Astronomy (Twin Cities)

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Abstract

We have searched in p p̄ collisions at √s = 1.8 TeV for events with three charged leptons and missing transverse energy. In the minimal supersymmetric standard model, we expect trilepton events from chargino-neutralino (χ̃₁^±χ̃₂⁰) pair production, with subsequent decay into leptons. We observe no candidate e⁺e^-e^±, e⁺e^-μ^±, e⁺μl⁺μ^-, or μ⁺μ μ^± events in 106 pb^-1 integrated luminosity. We present limits on the sum of the branching ratios times cross section for the four channels: σχ̃₁^±χ̃₂ ⁰B(χχ̃₁^± χ̃₂⁰ → 3ℓ + X) < 0.34 pb, Mχ̃₁^± > 81.5 GeV/c², and Mχ̃₂⁰ > 82.2 GeV/c² for tan β= 2, μ = -600 Gev/C², and M_q̃ = M_g̃.

Original language	English (US)
Pages (from-to)	5275-5280
Number of pages	6
Journal	Physical review letters
Volume	80
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.80.5275
State	Published - 1998

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Abe, F., Akimoto, H., Akopian, A., Albrow, M. G., Amadon, A., Amendolia, S. R., Amidei, D., Antos, J., Aota, S., Apollinari, G., Arisawa, T., Asakawa, T., Ashmanskas, W., Atac, M., Azzi-Bacchetta, P., Bacchetta, N., Bagdasarov, S., Bailey, M. W., de Barbaro, P., ... University of Toronto, Toronto M5S 1A7, Canada (1998). Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider. Physical review letters, 80(24), 5275-5280. https://doi.org/10.1103/PhysRevLett.80.5275

Abe, F, Akimoto, H, Akopian, A, Albrow, MG, Amadon, A, Amendolia, SR, Amidei, D, Antos, J, Aota, S, Apollinari, G, Arisawa, T, Asakawa, T, Ashmanskas, W, Atac, M, Azzi-Bacchetta, P, Bacchetta, N, Bagdasarov, S, Bailey, MW, de Barbaro, P, Barbaro-Galtieri, A, Barnes, VE, Barnett, BA, Barone, M, Bauer, G, Baumann, T, Bedeschi, F, Behrends, S, Belforte, S, Bellettini, G, Bellinger, J, Benjamin, D, Bensinger, J, Beretvas, A, Berge, JP, Berryhill, J, Bertolucci, S, Bettelli, S, Bevensee, B, Bhatti, A, Biery, K, Bigongiari, C, Binkley, M, Bisello, D, Blair, RE, Blocker, C, Blusk, S, Bodek, A, Bokhari, W, Bolla, G, Cronin-Hennessy, D & University of Toronto, Toronto M5S 1A7, Canada 1998, 'Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider', Physical review letters, vol. 80, no. 24, pp. 5275-5280. https://doi.org/10.1103/PhysRevLett.80.5275

@article{da52a6fbbed342ffa73c952de87be966,

title = "Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider",

abstract = "We have searched in p {\=p} collisions at √s = 1.8 TeV for events with three charged leptons and missing transverse energy. In the minimal supersymmetric standard model, we expect trilepton events from chargino-neutralino ({\~χ}1±{\~χ}20) pair production, with subsequent decay into leptons. We observe no candidate e+e-e±, e+e-μ±, e+μl+μ-, or μ+μ μ± events in 106 pb-1 integrated luminosity. We present limits on the sum of the branching ratios times cross section for the four channels: σ{\~χ}1±{\~χ}2 0B(χ{\~χ}1± {\~χ}20 → 3ℓ + X) < 0.34 pb, M{\~χ}1± > 81.5 GeV/c2, and M{\~χ}20 > 82.2 GeV/c2 for tan β= 2, μ = -600 Gev/C2, and M{\~q} = M{\~g}.",

author = "F. Abe and H. Akimoto and A. Akopian and Albrow, {M. G.} and A. Amadon and Amendolia, {S. R.} and D. Amidei and J. Antos and S. Aota and G. Apollinari and T. Arisawa and T. Asakawa and W. Ashmanskas and M. Atac and P. Azzi-Bacchetta and N. Bacchetta and S. Bagdasarov and Bailey, {M. W.} and {de Barbaro}, P. and A. Barbaro-Galtieri and Barnes, {V. E.} and Barnett, {B. A.} and M. Barone 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. Bensinger and A. Beretvas and Berge, {J. P.} and J. Berryhill and S. Bertolucci and S. Bettelli and B. Bevensee and A. Bhatti and K. Biery and C. Bigongiari and M. Binkley and D. Bisello and Blair, {R. E.} and C. Blocker and S. Blusk and A. Bodek and W. Bokhari and G. Bolla and D. Cronin-Hennessy and {University of Toronto, Toronto M5S 1A7, Canada}",

year = "1998",

doi = "10.1103/PhysRevLett.80.5275",

language = "English (US)",

volume = "80",

pages = "5275--5280",

journal = "Physical review letters",

issn = "0031-9007",

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number = "24",

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TY - JOUR

T1 - Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider

AU - Abe, F.

AU - Akimoto, H.

AU - Akopian, A.

AU - Albrow, M. G.

AU - Amadon, A.

AU - Amendolia, S. R.

AU - Amidei, D.

AU - Antos, J.

AU - Aota, S.

AU - Apollinari, G.

AU - Arisawa, T.

AU - Asakawa, T.

AU - Ashmanskas, W.

AU - Atac, M.

AU - Azzi-Bacchetta, P.

AU - Bacchetta, N.

AU - Bagdasarov, S.

AU - Bailey, M. W.

AU - de Barbaro, P.

AU - Barbaro-Galtieri, A.

AU - Barnes, V. E.

AU - Barnett, B. A.

AU - Barone, M.

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 - Bensinger, J.

AU - Beretvas, A.

AU - Berge, J. P.

AU - Berryhill, J.

AU - Bertolucci, S.

AU - Bettelli, S.

AU - Bevensee, B.

AU - Bhatti, A.

AU - Biery, K.

AU - Bigongiari, C.

AU - Binkley, M.

AU - Bisello, D.

AU - Blair, R. E.

AU - Blocker, C.

AU - Blusk, S.

AU - Bodek, A.

AU - Bokhari, W.

AU - Bolla, G.

AU - Cronin-Hennessy, D.

AU - University of Toronto, Toronto M5S 1A7, Canada

PY - 1998

Y1 - 1998

N2 - We have searched in p p̄ collisions at √s = 1.8 TeV for events with three charged leptons and missing transverse energy. In the minimal supersymmetric standard model, we expect trilepton events from chargino-neutralino (χ̃1±χ̃20) pair production, with subsequent decay into leptons. We observe no candidate e+e-e±, e+e-μ±, e+μl+μ-, or μ+μ μ± events in 106 pb-1 integrated luminosity. We present limits on the sum of the branching ratios times cross section for the four channels: σχ̃1±χ̃2 0B(χχ̃1± χ̃20 → 3ℓ + X) < 0.34 pb, Mχ̃1± > 81.5 GeV/c2, and Mχ̃20 > 82.2 GeV/c2 for tan β= 2, μ = -600 Gev/C2, and Mq̃ = Mg̃.

AB - We have searched in p p̄ collisions at √s = 1.8 TeV for events with three charged leptons and missing transverse energy. In the minimal supersymmetric standard model, we expect trilepton events from chargino-neutralino (χ̃1±χ̃20) pair production, with subsequent decay into leptons. We observe no candidate e+e-e±, e+e-μ±, e+μl+μ-, or μ+μ μ± events in 106 pb-1 integrated luminosity. We present limits on the sum of the branching ratios times cross section for the four channels: σχ̃1±χ̃2 0B(χχ̃1± χ̃20 → 3ℓ + X) < 0.34 pb, Mχ̃1± > 81.5 GeV/c2, and Mχ̃20 > 82.2 GeV/c2 for tan β= 2, μ = -600 Gev/C2, and Mq̃ = Mg̃.

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U2 - 10.1103/PhysRevLett.80.5275

DO - 10.1103/PhysRevLett.80.5275

M3 - Article

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VL - 80

SP - 5275

EP - 5280

JO - Physical review letters

JF - Physical review letters

IS - 24

ER -

Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider

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