CERN Accelerating science

Article
Report number hep-ex/0401026 ; CERN-EP-2003-090 ; CERN-EP-2003-090
Title Search for Chargino and Neutralino Production at $\sqrt{s}$ = 192-209 GeV at LEP
Related titleLarge Electron Positron
GEV
Author(s)

Abbiendi, G. ; Ainsley, C. ; Akesson, P.F. ; Alexander, G. ; Allison, John ; Amaral, P. ; Anagnostou, G. ; Anderson, K.J. ; Arcelli, S. ; Asai, S. ; Axen, D. ; Azuelos, G. ; Bailey, I. ; Barberio, E. ; Barillari, T. ; Barlow, R.J. ; Batley, R.J. ; Bechtle, P. ; Behnke, T. ; Bell, Kenneth Watson ; Bell, P.J. ; Bella, G. ; Bellerive, A. ; Benelli, G. ; Bethke, S. ; Biebel, O. ; Boeriu, O. ; Bock, P. ; Boutemeur, M. ; Braibant, S. ; Brigliadori, L. ; Brown, Robert M. ; Buesser, K. ; Burckhart, H.J. ; Campana, S. ; Carnegie, R.K. ; Carter, A.A. ; Carter, J.R. ; Chang, C.Y. ; Charlton, D.G. ; Ciocca, C. ; Couchman, J. ; Csilling, A. ; Cuffiani, M. ; Dado, S. ; De Roeck, A. ; De Wolf, E.A. ; Desch, K. ; Dienes, B. ; Donkers, M. ; Dubbert, J. ; Duchovni, E. ; Duckeck, G. ; Duerdoth, I.P. ; Etzion, E. ; Fabbri, F. ; Feld, L. ; Ferrari, P. ; Fiedler, F. ; Fleck, I. ; Ford, M. ; Frey, A. ; Gagnon, P. ; Gary, John William ; Gaycken, G. ; Geich-Gimbel, C. ; Giacomelli, G. ; Giacomelli, P. ; Giunta, Marina ; Goldberg, J. ; Gross, E. ; Grunhaus, J. ; Gruwe, M. ; Gunther, P.O. ; Gupta, A. ; Hajdu, C. ; Hamann, M. ; Hanson, G.G. ; Harel, A. ; Hauschild, M. ; Hawkes, C.M. ; Hawkings, R. ; Hemingway, R.J. ; Herten, G. ; Heuer, R.D. ; Hill, J.C. ; Hoffman, Kara Dion ; Horvath, D. ; Igo-Kemenes, P. ; Ishii, K. ; Jeremie, H. ; Jovanovic, P. ; Junk, T.R. ; Kanaya, N. ; Kanzaki, J. ; Karlen, D. ; Kawagoe, K. ; Kawamoto, T. ; Keeler, R.K. ; Kellogg, R.G. ; Kennedy, B.W. ; Klein, K. ; Klier, A. ; Kluth, S. ; Kobayashi, T. ; Kobel, M. ; Komamiya, S. ; Kramer, T. ; Krieger, P. ; von Krogh, J. ; Kruger, K. ; Kuhl, T. ; Kupper, M. ; Lafferty, G.D. ; Landsman, H. ; Lanske, D. ; Layter, J.G. ; Lellouch, D. ; Lettso, J. ; Levinson, L. ; Lillich, J. ; Lloyd, S.L. ; Loebinger, F.K. ; Lu, J. ; Ludwig, A. ; Ludwig, J. ; Mader, W. ; Marcellini, S. ; Martin, A.J. ; Masetti, G. ; Mashimo, T. ; Mattig, Peter ; McKenna, J. ; McPherson, R.A. ; Meijers, F. ; Menges, W. ; Merritt, F.S. ; Mes, H. ; Michelini, A. ; Mihara, S. ; Mikenberg, G. ; Miller, D.J. ; Moed, S. ; Mohr, W. ; Mori, T. ; Mutter, A. ; Nagai, K. ; Nakamura, I. ; Nanjo, H. ; Neal, H.A. ; Nisius, R. ; O'Neale, S.W. ; Oh, A. ; Okpara, A. ; Oreglia, M.J. ; Orito, S. ; Pahl, C. ; Pasztor, G. ; Pater, J.R. ; Pilcher, J.E. ; Pinfold, J. ; Plane, David E. ; Poli, B. ; Pooth, O. ; Przybycien, M. ; Quadt, A. ; Rabbertz, K. ; Rembser, C. ; Renkel, P. ; Roney, J.M. ; Rosati, S. ; Rozen, Y. ; Runge, K. ; Sachs, K. ; Saeki, T. ; Sarkisyan, E.K.G. ; Schaile, A.D. ; Schaile, O. ; Scharff-Hansen, P. ; Schieck, J. ; Schoerner-Sadenius, Thomas ; Schroder, Matthias ; Schumacher, M. ; Scott, W.G. ; Seuster, R. ; Shears, T.G. ; Shen, B.C. ; Sherwood, P. ; Skuja, A. ; Smith, A.M. ; Sobie, R. ; Soldner-Rembold, S. ; Spano, F. ; Stahl, A. ; Strom, David M. ; Strohmer, R. ; Tarem, S. ; Tasevsky, M. ; Teuscher, R. ; Thomson, M.A. ; Torrence, E. ; Toya, D. ; Tran, P. ; Trigger, I. ; Trocsanyi, Z. ; Tsur, E. ; Turner-Watson, M.F. ; Ueda, I. ; Ujvari, B. ; Vollmer, C.F. ; Vannerem, P. ; Vertesi, R. ; Verzocchi, M. ; Voss, H. ; Vossebeld, J. ; Waller, D. ; Ward, C.P. ; Ward, D.R. ; Watkins, P.M. ; Watson, A.T. ; Watson, N.K. ; Wells, P.S. ; Wengler, T. ; Wermes, N. ; Wetterling, D. ; Wilson, G.W. ; Wilson, J.A. ; Wolf, G ; Wyatt, T.R. ; Yamashita, S. ; Zer-Zion, D. ; Zivkovic, Lidija

Affiliation (CERN)
Publication 2004
Imprint 8 Dec 2003
Number of pages 34
Note 33 pages, 13 figures, Submitted to Eur Phys J. C Report-no: CERN-EP/2003-090
In: Eur. Phys. J. C 35 (2004) 1-20
DOI 10.1140/epjc/s2004-01758-8
Subject category Particle Physics - Experiment ; Particle Physics - Theory
Accelerator/Facility, Experiment CERN LEP ; OPAL
Abstract Approximately 438 pb-1 of e+e- data from the OPAL detector, taken with the LEP collider running at centre-of-mass energies of 192-209 Gev, are analyzed to search for evidence of chargino pair production, e+e- -> tilde chi^+_1 tilde chi^-_1, or neutralino associated production, e+e- -> tilde chi^0_2 tilde chi^0_1. Limits are set at the 95% confidence level on the product of the cross-section for the process e+e- -> tilde chi^+_1 tilde chi^-_1 and its branching ratios to topologies containing jets and missing energy, of jest with a lepton and missing energy, and on the product of the cross-section for e+e- -> tilde chi^0_2 tilde chi^0_1 and its branching ratio to jets. R-parity conservation is assumed throughout this paper. When these results are interpreted in the context of the Constrained Minimal Supersymmetric Standard Model, limits are also set on the masses of the tilde chi^+-_1, tilde chi^0_1 and tilde chi^0_2, and regions of the parameter space of the model are ruled out. Nearly model-independent limits are also set at the 95% confidence level on sigma(e+e- -> tilde chi^+_1 tilde chi^-_1) with the assumption that each chargino decays via a W boson, and on sigma(e+e- -> tilde chi^0_2 tilde chi^0_1) with the tilde chi^0_2 assumed to decay via a Z^0.
Copyright/License Preprint: (License: CC-BY-4.0)

Corresponding record in: Inspire
Email contact: [email protected]


 Záznam vytvorený 2004-01-20, zmenený 2021-10-29


Plný text:
arXiv:hep-ex_0401026 - Nahraj plný textPDF
0401026 - Nahraj plný textPDF
External link:
Nahraj plný textPreprint