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Article
Report number hep-ex/0011047 ; CERN-EP-2000-139 ; CERN-EP-2000-139
Title Search for Supersymmetric Particles in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ up to 202 GeV and Mass Limit for the Lightest Neutralino
Author(s)

Barate, R. (Annecy, LAPP) ; De Bonis, I. (Annecy, LAPP) ; Decamp, D. (Annecy, LAPP) ; Ghez, Philippe (Annecy, LAPP) ; Goy, C. (Annecy, LAPP) ; Jezequel, S. (Annecy, LAPP) ; Lees, J.P. (Annecy, LAPP) ; Martin, F. (Annecy, LAPP) ; Merle, E. (Annecy, LAPP) ; Minard, M.N. (Annecy, LAPP) ; Pietrzyk, B. (Annecy, LAPP) ; Bravo, S. (Barcelona, IFAE) ; Casado, M.P. (Barcelona, IFAE) ; Chmeissani, M. (Barcelona, IFAE) ; Crespo, J.M. (Barcelona, IFAE) ; Fernandez, E. (Barcelona, IFAE) ; Fernandez-Bosman, M. (Barcelona, IFAE) ; Garrido, L. (Barcelona, IFAE) ; Grauges, E. (Barcelona, IFAE) ; Lopez, J. (Barcelona, IFAE) ; Martinez, M. (Barcelona, IFAE) ; Merino, G. (Barcelona, IFAE) ; Miquel, R. (Barcelona, IFAE) ; Mir, L.M. (Barcelona, IFAE) ; Pacheco, A. (Barcelona, IFAE) ; Paneque, D. (Barcelona, IFAE) ; Ruiz, H. (Barcelona, IFAE) ; Colaleo, A. (Bari U. ; INFN, Bari) ; Creanza, D. (Bari U. ; INFN, Bari) ; De Filippis, N. (Bari U. ; INFN, Bari) ; de Palma, M. (Bari U. ; INFN, Bari) ; Iaselli, G. (Bari U. ; INFN, Bari) ; Maggi, G. (Bari U. ; INFN, Bari ; CERN) ; Maggi, M. (Bari U. ; INFN, Bari) ; Nuzzo, S. (Bari U. ; INFN, Bari) ; Ranieri, A. (Bari U. ; INFN, Bari) ; Raso, G. (Bari U. ; INFN, Bari) ; Ruggieri, F. (Bari U. ; INFN, Bari) ; Selvaggi, G. (Bari U. ; INFN, Bari) ; Silvestris, L. (Bari U. ; INFN, Bari) ; Tempesta, P. (Bari U. ; INFN, Bari) ; Tricomi, A. (Bari U. ; INFN, Bari ; Catania U. ; INFN, Catania) ; Zito, G. (Bari U. ; INFN, Bari) ; Huang, X. (Beijing, Inst. High Energy Phys.) ; Lin, J. (Beijing, Inst. High Energy Phys.) ; Ouyang, Q. (Beijing, Inst. High Energy Phys.) ; Wang, T. (Beijing, Inst. High Energy Phys.) ; Xie, Y. (Beijing, Inst. High Energy Phys.) ; Xu, R. (Beijing, Inst. High Energy Phys.) ; Xue, S. (Beijing, Inst. High Energy Phys.) ; Zhang, J. (Beijing, Inst. High Energy Phys.) ; Zhang, L. (Beijing, Inst. High Energy Phys.) ; Zhao, W. (Beijing, Inst. High Energy Phys.) ; Abbaneo, D. (CERN) ; Azzurri, P. (CERN) ; Barklow, T. (CERN) ; Boix, G. (CERN) ; Buchmuller, O. (CERN) ; Cattaneo, M. (CERN) ; Cerutti, F. (CERN) ; Clerbaux, B. (CERN) ; Dissertori, G. (CERN) ; Drevermann, H. (CERN) ; Forty, R.W. (CERN) ; Frank, M. (CERN) ; Gianotti, F. (CERN) ; Greening, T.C. (CERN) ; Hansen, J.B. (CERN) ; Harvey, John (CERN) ; Hutchcroft, D.E. (CERN) ; Janot, P. (CERN) ; Jost, B. (CERN) ; Kado, M. (CERN) ; Lemaitre, V. (CERN) ; Maley, P. (CERN) ; Mato, P. (CERN) ; Minten, A. (CERN) ; Moutoussi, A. (CERN) ; Ranjard, F. (CERN) ; Rolandi, Gigi (CERN) ; Schlatter, D. (CERN) ; Schmitt, M. (CERN) ; Schneider, O. (CERN) ; Spagnolo, P. (CERN) ; Tejessy, W. (CERN) ; Teubert, F. (CERN) ; Tournefier, E. (CERN) ; Valassi, A. (CERN) ; Ward, J.J. (CERN) ; Wright, A.E. (CERN) ; Ajaltouni, Z. (Clermont-Ferrand U.) ; Badaud, F. (Clermont-Ferrand U.) ; Dessagne, S. (Clermont-Ferrand U.) ; Falvard, A. (Clermont-Ferrand U.) ; Fayolle, D. (Clermont-Ferrand U.) ; Gay, P. (Clermont-Ferrand U.) ; Henrard, P. (Clermont-Ferrand U.) ; Jousset, J. (Clermont-Ferrand U.) ; Michel, B. (Clermont-Ferrand U.) ; Monteil, S. (Clermont-Ferrand U.) ; Montret, J.C. (Clermont-Ferrand U.) ; Pallin, D. (Clermont-Ferrand U.) ; Pascolo, J.M. (Clermont-Ferrand U.) ; Perret, P. (Clermont-Ferrand U.) ; Podlyski, F. (Clermont-Ferrand U.) ; Hansen, J.D. (Bohr Inst.) ; Hansen, J.R. (Bohr Inst.) ; Hansen, P.H. (Bohr Inst.) ; Nilsson, B.S. (Bohr Inst.) ; Waananen, A. (Bohr Inst.) ; Daskalakis, G. (Democritos Nucl. Res. Ctr.) ; Kyriakis, A. (Democritos Nucl. Res. Ctr.) ; Markou, C. (Democritos Nucl. Res. Ctr.) ; Simopoulou, E. (Democritos Nucl. Res. Ctr.) ; Vayaki, A. (Democritos Nucl. Res. Ctr.) ; Blondel, A. (Ecole Polytechnique) ; Brient, J.C. (Ecole Polytechnique) ; Machefert, F. (Ecole Polytechnique) ; Rouge, A. (Ecole Polytechnique) ; Swynghedauw, M. (Ecole Polytechnique) ; Tanaka, R. (Ecole Polytechnique) ; Videau, H. (Ecole Polytechnique) ; Focardi, E. (Florence U. ; INFN, Florence) ; Parrini, G. (Florence U. ; INFN, Florence) ; Zachariadou, K. (Florence U. ; INFN, Florence) ; Antonelli, A. (Frascati) ; Antonelli, M. (Frascati) ; Bencivenni, G. (Frascati) ; Bologna, G. (Frascati) ; Bossi, F. (Frascati) ; Campana, P. (Frascati) ; Capon, G. (Frascati) ; Chiarella, V. (Frascati) ; Laurelli, P. (Frascati) ; Mannocchi, G. (Frascati ; Turin, Cosmo-Geofisica Lab) ; Murtas, F. (Frascati) ; Murtas, G.P. (Frascati) ; Passalacqua, L. (Frascati) ; Pepe-Altarelli, M. (Frascati) ; Chalmers, M. (Glasgow U.) ; Halley, A.W. (Glasgow U.) ; Kennedy, J. (Glasgow U.) ; Lynch, J.G. (Glasgow U.) ; Negus, P. (Glasgow U.) ; O'Shea, V. (Glasgow U.) ; Raeven, B. (Glasgow U.) ; Smith, D. (Glasgow U.) ; Teixeira-Dias, P. (Glasgow U.) ; Thompson, A.S. (Glasgow U.) ; Cavanaugh, R. (Heidelberg U.) ; Dhamotharan, S. (Heidelberg U.) ; Geweniger, C. (Heidelberg U.) ; Hanke, P. (Heidelberg U.) ; Hepp, V. (Heidelberg U.) ; Kluge, E.E. (Heidelberg U.) ; Leibenguth, G. (Heidelberg U.) ; Putzer, A. (Heidelberg U.) ; Tittel, K. (Heidelberg U.) ; Werner, S. (Heidelberg U.) ; Wunsch, M. (Heidelberg U.) ; Beuselinck, R. (Imperial Coll., London) ; Binnie, D.M. (Imperial Coll., London) ; Cameron, W. (Imperial Coll., London) ; Davies, G. (Imperial Coll., London) ; Dornan, P.J. (Imperial Coll., London) ; Girone, M. (Imperial Coll., London ; CERN) ; Marinelli, N. (Imperial Coll., London) ; Nowell, J. (Imperial Coll., London) ; Przysiezniak, H. (Imperial Coll., London) ; Sedgbeer, J.K. (Imperial Coll., London) ; Thompson, J.C. (Imperial Coll., London ; Rutherford) ; Thomson, Evelyn J. (Imperial Coll., London) ; White, R. (Imperial Coll., London) ; Ghete, V.M. (Innsbruck U.) ; Girtler, P. (Innsbruck U.) ; Kneringer, E. (Innsbruck U.) ; Kuhn, D. (Innsbruck U.) ; Rudolph, G. (Innsbruck U.) ; Bouhova-Thacker, E. (Lancaster U.) ; Bowdery, C.K. (Lancaster U.) ; Clarke, D.P. (Lancaster U.) ; Ellis, G. (Lancaster U.) ; Finch, A.J. (Lancaster U.) ; Foster, F. (Lancaster U.) ; Hughes, G. (Lancaster U.) ; Jones, R.W.L. (Lancaster U. ; CERN) ; Pearson, M.R. (Lancaster U.) ; Robertson, N.A. (Lancaster U.) ; Smizanska, M. (Lancaster U.) ; Giehl, I. (Mainz U., Inst. Phys.) ; Holldorfer, F. (Mainz U., Inst. Phys.) ; Jakobs, K. (Mainz U., Inst. Phys.) ; Kleinknecht, K. (Mainz U., Inst. Phys.) ; Krocker, M. (Mainz U., Inst. Phys.) ; Muller, A.S. (Mainz U., Inst. Phys.) ; Nurnberger, H.A. (Mainz U., Inst. Phys.) ; Quast, G. (Mainz U., Inst. Phys. ; CERN) ; Renk, B. (Mainz U., Inst. Phys.) ; Rohne, E. (Mainz U., Inst. Phys.) ; Sander, H.G. (Mainz U., Inst. Phys.) ; Schmeling, S. (Mainz U., Inst. Phys.) ; Wachsmuth, H. (Mainz U., Inst. Phys.) ; Zeitnitz, C. (Mainz U., Inst. Phys.) ; Ziegler, T. (Mainz U., Inst. Phys.) ; Bonissent, A. (Marseille, CPPM) ; Carr, J. (Marseille, CPPM) ; Coyle, P. (Marseille, CPPM) ; Curtil, C. (Marseille, CPPM) ; Ealet, A. (Marseille, CPPM) ; Fouchez, D. (Marseille, CPPM) ; Leroy, O. (Marseille, CPPM) ; Kachelhoffer, T. (Marseille, CPPM) ; Payre, P. (Marseille, CPPM) ; Rousseau, D. (Marseille, CPPM) ; Tilquin, A. (Marseille, CPPM) ; Aleppo, M. (Milan U. ; INFN, Milan) ; Gilardoni, Simone S. (Milan U. ; INFN, Milan) ; Ragusa, F. (Milan U. ; INFN, Milan) ; David, A. (Munich, Max Planck Inst.) ; Dietl, H. (Munich, Max Planck Inst.) ; Ganis, G. (Munich, Max Planck Inst.) ; Heister, A. (Munich, Max Planck Inst.) ; Huttmann, K. (Munich, Max Planck Inst.) ; Lutjens, G. (Munich, Max Planck Inst.) ; Mannert, C. (Munich, Max Planck Inst.) ; Manner, W. (Munich, Max Planck Inst.) ; Moser, H.G. (Munich, Max Planck Inst.) ; Schael, S. (Munich, Max Planck Inst.) ; Settles, R. (Munich, Max Planck Inst.) ; Stenzel, H. (Munich, Max Planck Inst.) ; Wolf, G. (Munich, Max Planck Inst.) ; Boucrot, J. (Orsay, LAL) ; Callot, O. (Orsay, LAL) ; Davier, M. (Orsay, LAL) ; Duflot, L. (Orsay, LAL) ; Grivaz, J.F. (Orsay, LAL) ; Heusse, P. (Orsay, LAL) ; Jacholkowska, A. (Orsay, LAL) ; Serin, L. (Orsay, LAL) ; Veillet, J.J. (Orsay, LAL) ; Videau, I. (Orsay, LAL) ; de Vivie de Regie, J.B. (Orsay, LAL) ; Yuan, C. (Orsay, LAL) ; Zerwas, D. (Orsay, LAL) ; Bagliesi, Giuseppe (Pisa U. ; INFN, Pisa) ; Boccali, T. (Pisa U. ; INFN, Pisa) ; Calderini, G. (Pisa U. ; INFN, Pisa) ; Ciulli, V. (Pisa U. ; INFN, Pisa) ; Foa, L. (Pisa U. ; INFN, Pisa) ; Giammanco, A. (Pisa U. ; INFN, Pisa) ; Giassi, A. (Pisa U. ; INFN, Pisa) ; Ligabue, F. (Pisa U. ; INFN, Pisa) ; Messineo, A. (Pisa U. ; INFN, Pisa) ; Palla, F. (Pisa U. ; INFN, Pisa) ; Sanguinetti, G. (Pisa U. ; INFN, Pisa) ; Sciaba, A. (Pisa U. ; INFN, Pisa) ; Sguazzoni, G. (Pisa U. ; INFN, Pisa) ; Tenchini, R. (Pisa U. ; INFN, Pisa) ; Venturi, A. (Pisa U. ; INFN, Pisa) ; Verdini, P.G. (Pisa U. ; INFN, Pisa) ; Blair, G.A. (Royal Holloway, U. of London) ; Coles, J. (Royal Holloway, U. of London) ; Cowan, G. (Royal Holloway, U. of London) ; Green, M.G. (Royal Holloway, U. of London) ; Jones, L.T. (Royal Holloway, U. of London) ; Medcalf, T. (Royal Holloway, U. of London) ; Strong, J.A. (Royal Holloway, U. of London) ; Clifft, R.W. (Rutherford) ; Edgecock, T.R. (Rutherford) ; Norton, P.R. (Rutherford) ; Tomalin, I.R. (Rutherford) ; Bloch-Devaux, Brigitte (DAPNIA, Saclay) ; Boumediene, D. (DAPNIA, Saclay) ; Colas, P. (DAPNIA, Saclay) ; Fabbro, B. (DAPNIA, Saclay) ; Lancon, E. (DAPNIA, Saclay) ; Lemaire, M.C. (DAPNIA, Saclay) ; Locci, E. (DAPNIA, Saclay) ; Perez, P. (DAPNIA, Saclay) ; Rander, J. (DAPNIA, Saclay) ; Renardy, J.F. (DAPNIA, Saclay) ; Rosowsky, A. (DAPNIA, Saclay) ; Seager, P. (DAPNIA, Saclay) ; Trabelsi, A. (DAPNIA, Saclay) ; Tuchming, B. (DAPNIA, Saclay) ; Vallage, B. (DAPNIA, Saclay) ; Konstantinidis, N. (UC, Santa Cruz) ; Loomis, C. (UC, Santa Cruz) ; Litke, A.M. (UC, Santa Cruz) ; Taylor, G. (UC, Santa Cruz) ; Booth, C.N. (Sheffield U.) ; Cartwright, S. (Sheffield U.) ; Combley, F. (Sheffield U.) ; Hodgson, P.N. (Sheffield U.) ; Lehto, M. (Sheffield U.) ; Thompson, L.F. (Sheffield U.) ; Affholderbach, K. (Siegen U.) ; Boehrer, Armin (Siegen U.) ; Brandt, S. (Siegen U.) ; Grupen, C. (Siegen U.) ; Hess, J. (Siegen U.) ; Misiejuk, A. (Siegen U.) ; Prange, G. (Siegen U.) ; Sieler, U. (Siegen U.) ; Borean, C. (Trieste U. ; INFN, Trieste) ; Giannini, G. (Trieste U. ; INFN, Trieste) ; Gobbo, B. (Trieste U. ; INFN, Trieste) ; He, H. (Washington U., Seattle) ; Putz, J. (Washington U., Seattle) ; Rothberg, J. (Washington U., Seattle) ; Wasserbaech, S. (Washington U., Seattle) ; Armstrong, S.R. (Wisconsin U., Madison) ; Cranmer, K. (Wisconsin U., Madison) ; Elmer, P. (Wisconsin U., Madison) ; Ferguson, D.P.S. (Wisconsin U., Madison) ; Gao, Y. (Wisconsin U., Madison) ; Gonzalez, S. (Wisconsin U., Madison) ; Hayes, O.J. (Wisconsin U., Madison) ; Hu, H. (Wisconsin U., Madison) ; Jin, S. (Wisconsin U., Madison) ; Kile, J. (Wisconsin U., Madison) ; McNamara, P.A., III (Wisconsin U., Madison) ; Nielsen, J. (Wisconsin U., Madison) ; Orejudos, W. (Wisconsin U., Madison) ; Pan, Y.B. (Wisconsin U., Madison) ; Saadi, Y. (Wisconsin U., Madison) ; Scott, I.J. (Wisconsin U., Madison) ; von Wimmersperg-Toeller, J.H. (Wisconsin U., Madison) ; Walsh, J. (Wisconsin U., Madison) ; Wiedenmann, W. (Wisconsin U., Madison) ; Wu, J. (Wisconsin U., Madison) ; Wu, Sau Lan (Wisconsin U., Madison) ; Wu, X. (Wisconsin U., Madison) ; Zobernig, G. (Wisconsin U., Madison)

Affiliation (CERN)
Publication 2001
Imprint 13 Nov 2000
Number of pages 24
Series (ALEPH Papers)
Note 20 pages, 8 figures Report-no: CERN-EP/2000-139
In: Phys. Lett. B 499 (2001) 67-84
DOI 10.1016/S0370-2693(01)00015-6
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN LEP ; ALEPH
Abstract Searches for pair production of squarks, sleptons, charginos and neutralinos are performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies from 188.6 to 201.6 GeV. No evidence for any such signals is observed in a total integrated luminosity of about 410 pb**-1. The negative results of the searches are translated into exclusion domains in the space of the relevant MSSM parameters, which improve significantly on the constraints set previously. Under the assumptions of gaugino and sfermion mass unification, these results allow a 95% C.L. lower limit of 37 GeV/c**2 to be set on the mass of the lightest neutralino for any tan(beta) and sfermion mass. Additional constraints in the MSSM parameter space are derived from the negative results of ALEPH searches for Higgs bosons. The results are also interpreted in the framework of minimal supergravity.
Copyright/License Copyright @ unknown. Published by Elsevier B.V.



Corresponding record in: Inspire
Email contact: valerie.brunner@cern.ch ; sis.prepteam@cern.ch


 Record created 2000-11-15, last modified 2024-08-24


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