Search for supersymmetric partners of top and bottom quarks at √s= 189 GeV

P. Abreu; W. Adam; T. Adye; P. Adzic; I. Ajinenko; Z. Albrecht; T. Alderweireld; G. D. Alekseev; R. Alemany; T. Allmendinger; P. P. Allport; S. Almehed; U. Amaldi; N. Amapane; S. Amato; E. G. Anassontzis; P. Andersson; A. Andreazza; S. Andringa; P. Antilogus; W. D. Apel; Y. Arnoud; B. Åsman; J. E. Augustin; A. Augustinus; P. Baillon; A. Ballestrero; P. Bambade; F. Barao; G. Barbiellini; R. Barbier; D. Y. Bardin; G. Barker; A. Baroncelli; M. Battaglia; M. Baubillier; K. H. Becks; M. Begalli; A. Behrmann; P. Beilliere; Y. Belokopytov; N. C. Benekos; A. C. Benvenuti; C. Berat; M. Berggren; D. Bertrand; M. Besancon; M. Bigi; M. S. Bilenky; A. Tomaradze; DELPHI Collaboration

doi:10.1016/S0370-2693(00)01275-2

Search for supersymmetric partners of top and bottom quarks at √s= 189 GeV

P. Abreu^*, W. Adam, T. Adye, P. Adzic, I. Ajinenko, Z. Albrecht, T. Alderweireld, G. D. Alekseev, R. Alemany, T. Allmendinger, P. P. Allport, S. Almehed, U. Amaldi, N. Amapane, S. Amato, E. G. Anassontzis, P. Andersson, A. Andreazza, S. Andringa, P. AntilogusW. D. Apel, Y. Arnoud, B. Åsman, J. E. Augustin, A. Augustinus, P. Baillon, A. Ballestrero, P. Bambade, F. Barao, G. Barbiellini, R. Barbier, D. Y. Bardin, G. Barker, A. Baroncelli, M. Battaglia, M. Baubillier, K. H. Becks, M. Begalli, A. Behrmann, P. Beilliere, Y. Belokopytov, N. C. Benekos, A. C. Benvenuti, C. Berat, M. Berggren, D. Bertrand, M. Besancon, M. Bigi, M. S. Bilenky, A. Tomaradze, DELPHI Collaboration

^*Corresponding author for this work

Physics and Astronomy

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Abstract

Searches for supersymmetric partners of top and bottom quarks are presented using data taken by the DELPHI experiment at LEP in 1997 and 1998. No deviations from standard model expectations are observed in these data sets, which are taken at centre-of-mass energies of 183 GeV and 189 GeV and correspond to integrated luminosities of 54 pb^-1 and 158 pb^-1. These results are used in combination with those obtained by DELPHI at lower centre-of-mass energies to exclude regions in the squark-neutralino mass plane at 95% confidence level.

Original language	English (US)
Pages (from-to)	59-75
Number of pages	17
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	496
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(00)01275-2
State	Published - Dec 21 2000

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/S0370-2693(00)01275-2

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Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G. D., Alemany, R., Allmendinger, T., Allport, P. P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E. G., Andersson, P., Andreazza, A., Andringa, S., ... DELPHI Collaboration (2000). Search for supersymmetric partners of top and bottom quarks at √s= 189 GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 496(1-2), 59-75. https://doi.org/10.1016/S0370-2693(00)01275-2

@article{d5fb3970e80b4674a237ddf4faba4bc8,

title = "Search for supersymmetric partners of top and bottom quarks at √s= 189 GeV",

abstract = "Searches for supersymmetric partners of top and bottom quarks are presented using data taken by the DELPHI experiment at LEP in 1997 and 1998. No deviations from standard model expectations are observed in these data sets, which are taken at centre-of-mass energies of 183 GeV and 189 GeV and correspond to integrated luminosities of 54 pb-1 and 158 pb-1. These results are used in combination with those obtained by DELPHI at lower centre-of-mass energies to exclude regions in the squark-neutralino mass plane at 95% confidence level.",

author = "P. Abreu and W. Adam and T. Adye and P. Adzic and I. Ajinenko and Z. Albrecht and T. Alderweireld and Alekseev, {G. D.} and R. Alemany and T. Allmendinger and Allport, {P. P.} and S. Almehed and U. Amaldi and N. Amapane and S. Amato and Anassontzis, {E. G.} and P. Andersson and A. Andreazza and S. Andringa and P. Antilogus and Apel, {W. D.} and Y. Arnoud and B. {\AA}sman and Augustin, {J. E.} and A. Augustinus and P. Baillon and A. Ballestrero and P. Bambade and F. Barao and G. Barbiellini and R. Barbier and Bardin, {D. Y.} and G. Barker and A. Baroncelli and M. Battaglia and M. Baubillier and Becks, {K. H.} and M. Begalli and A. Behrmann and P. Beilliere and Y. Belokopytov and Benekos, {N. C.} and Benvenuti, {A. C.} and C. Berat and M. Berggren and D. Bertrand and M. Besancon and M. Bigi and Bilenky, {M. S.} and A. Tomaradze and {DELPHI Collaboration}",

note = "Funding Information: We are greatly indebted to our technical collaborators, to the members of the CERN-SL Division for the excellent performance of the LEP collider, and to the funding agencies for their support in building and operating the DELPHI detector. We acknowledge in particular the support of Austrian Federal Ministry of Science and Traffics, GZ 616.364/2-III/2a/98; FNRS–FWO, Belgium; FINEP, CNPq, CAPES, FUJB and FAPERJ, Brazil; Czech Ministry of Industry and Trade, GA CR 202/96/0450 and GA AVCR A1010521; Danish Natural Research Council; Commission of the European Communities (DG XII); Direction des Sciences de la Mati{\`e}re, CEA, France; Bundesministerium f{\"u}r Bildung, Wissenschaft, Forschung und Technologie, Germany; General Secretariat for Research and Technology, Greece; National Science Foundation (NWO) and Foundation for Research on Matter (FOM), The Netherlands; Norwegian Research Council; State Committee for Scientific Research, Poland, 2P03B06015, 2P03B1116 and SPUB/P03/178/98; JNICT-Junta Nacional de Investiga{\c c}{\~a}o Cient{\'ı}fica e Tecnol{\'o}gica, Portugal; Vedecka grantova agentura MS SR, Slovakia, Nr. 95/5195/134; Ministry of Science and Technology of the Republic of Slovenia; CICYT, Spain, AEN96-1661 and AEN96-1681; The Swedish Natural Science Research Council; Particle Physics and Astronomy Research Council, UK; Department of Energy, USA, DE-FG02-94ER40817.",

year = "2000",

month = dec,

day = "21",

doi = "10.1016/S0370-2693(00)01275-2",

language = "English (US)",

volume = "496",

pages = "59--75",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

number = "1-2",

}

Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, Alderweireld, T, Alekseev, GD, Alemany, R, Allmendinger, T, Allport, PP, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, EG, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, WD, Arnoud, Y, Åsman, B, Augustin, JE, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, DY, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, KH, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Benekos, NC, Benvenuti, AC, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bigi, M, Bilenky, MS, Tomaradze, A & DELPHI Collaboration 2000, 'Search for supersymmetric partners of top and bottom quarks at √s= 189 GeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 496, no. 1-2, pp. 59-75. https://doi.org/10.1016/S0370-2693(00)01275-2

TY - JOUR

T1 - Search for supersymmetric partners of top and bottom quarks at √s= 189 GeV

AU - Abreu, P.

AU - Adam, W.

AU - Adye, T.

AU - Adzic, P.

AU - Ajinenko, I.

AU - Albrecht, Z.

AU - Alderweireld, T.

AU - Alekseev, G. D.

AU - Alemany, R.

AU - Allmendinger, T.

AU - Allport, P. P.

AU - Almehed, S.

AU - Amaldi, U.

AU - Amapane, N.

AU - Amato, S.

AU - Anassontzis, E. G.

AU - Andersson, P.

AU - Andreazza, A.

AU - Andringa, S.

AU - Antilogus, P.

AU - Apel, W. D.

AU - Arnoud, Y.

AU - Åsman, B.

AU - Augustin, J. E.

AU - Augustinus, A.

AU - Baillon, P.

AU - Ballestrero, A.

AU - Bambade, P.

AU - Barao, F.

AU - Barbiellini, G.

AU - Barbier, R.

AU - Bardin, D. Y.

AU - Barker, G.

AU - Baroncelli, A.

AU - Battaglia, M.

AU - Baubillier, M.

AU - Becks, K. H.

AU - Begalli, M.

AU - Behrmann, A.

AU - Beilliere, P.

AU - Belokopytov, Y.

AU - Benekos, N. C.

AU - Benvenuti, A. C.

AU - Berat, C.

AU - Berggren, M.

AU - Bertrand, D.

AU - Besancon, M.

AU - Bigi, M.

AU - Bilenky, M. S.

AU - Tomaradze, A.

AU - DELPHI Collaboration

N1 - Funding Information: We are greatly indebted to our technical collaborators, to the members of the CERN-SL Division for the excellent performance of the LEP collider, and to the funding agencies for their support in building and operating the DELPHI detector. We acknowledge in particular the support of Austrian Federal Ministry of Science and Traffics, GZ 616.364/2-III/2a/98; FNRS–FWO, Belgium; FINEP, CNPq, CAPES, FUJB and FAPERJ, Brazil; Czech Ministry of Industry and Trade, GA CR 202/96/0450 and GA AVCR A1010521; Danish Natural Research Council; Commission of the European Communities (DG XII); Direction des Sciences de la Matière, CEA, France; Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie, Germany; General Secretariat for Research and Technology, Greece; National Science Foundation (NWO) and Foundation for Research on Matter (FOM), The Netherlands; Norwegian Research Council; State Committee for Scientific Research, Poland, 2P03B06015, 2P03B1116 and SPUB/P03/178/98; JNICT-Junta Nacional de Investigação Cientı́fica e Tecnológica, Portugal; Vedecka grantova agentura MS SR, Slovakia, Nr. 95/5195/134; Ministry of Science and Technology of the Republic of Slovenia; CICYT, Spain, AEN96-1661 and AEN96-1681; The Swedish Natural Science Research Council; Particle Physics and Astronomy Research Council, UK; Department of Energy, USA, DE-FG02-94ER40817.

PY - 2000/12/21

Y1 - 2000/12/21

N2 - Searches for supersymmetric partners of top and bottom quarks are presented using data taken by the DELPHI experiment at LEP in 1997 and 1998. No deviations from standard model expectations are observed in these data sets, which are taken at centre-of-mass energies of 183 GeV and 189 GeV and correspond to integrated luminosities of 54 pb-1 and 158 pb-1. These results are used in combination with those obtained by DELPHI at lower centre-of-mass energies to exclude regions in the squark-neutralino mass plane at 95% confidence level.

AB - Searches for supersymmetric partners of top and bottom quarks are presented using data taken by the DELPHI experiment at LEP in 1997 and 1998. No deviations from standard model expectations are observed in these data sets, which are taken at centre-of-mass energies of 183 GeV and 189 GeV and correspond to integrated luminosities of 54 pb-1 and 158 pb-1. These results are used in combination with those obtained by DELPHI at lower centre-of-mass energies to exclude regions in the squark-neutralino mass plane at 95% confidence level.

UR - http://www.scopus.com/inward/record.url?scp=0034700532&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0034700532&partnerID=8YFLogxK

U2 - 10.1016/S0370-2693(00)01275-2

DO - 10.1016/S0370-2693(00)01275-2

M3 - Article

AN - SCOPUS:0034700532

SN - 0370-2693

VL - 496

SP - 59

EP - 75

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-2

ER -

Search for supersymmetric partners of top and bottom quarks at √s= 189 GeV

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