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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Search for charginos nearly mass degenerate with the lightest neutralino in e+e- collisions at centre-of-mass energies up to 209 GeV
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Volume 533, No. 3-4, Year 2002
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Description
A search for charginos nearly mass degenerate with the lightest neutralino is performed with the data collected by the ALEPH detector at LEP, at centre-of-mass energies between 189 and 209 GeV, corresponding to an integrated luminosity of 628 pb-1. The analysis is based on the detection of isolated and energetic initial state radiation photons, produced in association with chargino pairs whose decay products have little visible energy. The number of candidate events observed is in agreement with that expected from Standard Model background sources. These results are combined with those of other direct searches for charginos, and a lower limit of 88 GeV/c2 at 95% confidence level is derived for the chargino mass in the case of heavy sfermions, irrespective of the chargino-neutralino mass difference. © 2002 Elsevier Science B.V. All rights reserved.
Authors & Co-Authors
Heister, Arno
Germany, Aachen
Rheinisch-westfälische Technische Hochschule Aachen
de Bonis, I.
France, Annecy
Laboratoire D'annecy-le-vieux de Physique Des Particules Lapp
Décamp, D.
France, Annecy
Laboratoire D'annecy-le-vieux de Physique Des Particules Lapp
Jéźequel, Stephane
France, Annecy
Laboratoire D'annecy-le-vieux de Physique Des Particules Lapp
Lees, Jean Pierre
France, Annecy
Laboratoire D'annecy-le-vieux de Physique Des Particules Lapp
Minard, Marie Noelle
France, Annecy
Laboratoire D'annecy-le-vieux de Physique Des Particules Lapp
Pietrzyk, Bolek
France, Annecy
Laboratoire D'annecy-le-vieux de Physique Des Particules Lapp
Chmeissani, Mokhtar A.
Spain, Cerdanyola Del Valles
Institut de Física D'altes Energies, Bellaterra
Fernández, Enrique W.
Spain, Cerdanyola Del Valles
Institut de Física D'altes Energies, Bellaterra
Bosman, Martine
Spain, Cerdanyola Del Valles
Institut de Física D'altes Energies, Bellaterra
Garrido, Luis C.
Spain, Cerdanyola Del Valles
Institut de Física D'altes Energies, Bellaterra
Spain, Barcelona
Universitat de Barcelona
Graugès, E. S.
Spain, Cerdanyola Del Valles
Institut de Física D'altes Energies, Bellaterra
López Navarro, Juan Manuel
Spain, Cerdanyola Del Valles
Institut de Física D'altes Energies, Bellaterra
Martínez, Mario J.
Spain, Cerdanyola Del Valles
Institut de Física D'altes Energies, Bellaterra
Miquel, Ramon
Spain, Cerdanyola Del Valles
Institut de Física D'altes Energies, Bellaterra
United States, Berkeley
Lawrence Berkeley National Laboratory
Paneque, David
Spain, Cerdanyola Del Valles
Institut de Física D'altes Energies, Bellaterra
Colaleo, Anna
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
de Filippis, Nicola
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
de Palma, Mauro
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Iaselli, Giuseppe
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Maggi, Marcello
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Nuzzo, Salvatore
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Raso, Giuseppe
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Italy, Palermo
Università Degli Studi Di Palermo
Ruggieri, Federico
Italy, Bari
Istituto Nazionale Di Fisica Nucleare, Sezione Di Bari
Abbaneo, Duccio
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Büchmüller, Oliver L.
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
United States, Menlo Park
Slac National Accelerator Laboratory
Cerutti, Francesco
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Clerbaux, Barbara
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Gianotti, Fabiola
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Hansen, Jorgen Beck
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Harvey, John A.
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Hutchcroft, David E.
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Janot, Patrick
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Kado, Marumi M.
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
United States, Batavia
Fermi National Accelerator Laboratory
Schlatter, Dieter
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Sgüazzoni, Giacomo
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Valassi, Andrea
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Michel, B.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Monteil, Stéphane
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Perret, Pascal
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Markou, Christos
Greece, Athens
National Centre for Scientific Research Demokritos
Blondel, Alain P.
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Switzerland, Geneva
Université de Genève
Ciulli, Vitaliano
Italy, Sesto Fiorentino
Istituto Nazionale Di Fisica Nucleare, Sezione Di Firenze
Antonelli, Mario
Italy, Frascati
Infn, Laboratori Nazionali Di Frascati
Campana, Pierluigi L.
Italy, Frascati
Infn, Laboratori Nazionali Di Frascati
Chiarella, Vitaliano
Italy, Frascati
Infn, Laboratori Nazionali Di Frascati
Mannocchi, G. P.
Italy, Frascati
Infn, Laboratori Nazionali Di Frascati
Italy, Rome
Consiglio Nazionale Delle Ricerche
Stenzel, H.
Germany, Heidelberg
Universität Heidelberg
Sedgbeer, J. K.
United Kingdom, London
Imperial College London
Thompson, J. C.
United Kingdom, London
Imperial College London
Ghete, Vasile M.
Austria, Innsbruck
Universität Innsbruck
Bowdery, Christopher K.
United Kingdom, Lancaster
Lancaster University
Delaere, Christophe
Belgium, Louvain-la-neuve
Université Catholique de Louvain
Lemaître, Vincent
Belgium, Louvain-la-neuve
Université Catholique de Louvain
Jakobs, Karl
Germany, Mainz
Johannes Gutenberg-universität Mainz
Müller, Anke Susanne
Germany, Mainz
Johannes Gutenberg-universität Mainz
Sander, Heinz Georg
Germany, Mainz
Johannes Gutenberg-universität Mainz
Schmeling, Sascha
Germany, Mainz
Johannes Gutenberg-universität Mainz
Wachsmuth, H. W.
Germany, Mainz
Johannes Gutenberg-universität Mainz
Ziegler, Thomas
Germany, Mainz
Johannes Gutenberg-universität Mainz
Coyle, Paschal A.
France, Marseille
Aix Marseille Université
Curtil, Christian
France, Marseille
Aix Marseille Université
Fouchez, Dominique
France, Marseille
Aix Marseille Université
Payre, Patrice
France, Marseille
Aix Marseille Université
Tìlquin, André
France, Marseille
Aix Marseille Université
Ragusa, Francesco
Italy, Milan
Istituto Nazionale Di Fisica Nucleare, Sezione Di Milano
Ganis, Gerardo
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Italy, Rome
Istituto Nazionale Di Fisica Nucleare - Infn
Callot, Olivier H.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Davier, Michel
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Duflot, Laurent
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Grivaz, Jean François
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Jachołkowska, Agnieszka
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
France, Montpellier
Université de Montpellier
Serin, Laurent
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Veillet, J. J.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Giammanco, Andrea
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Sciabà, Andrea
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Cowan, Glen D.
United Kingdom, Egham
Royal Holloway, University of London
Green, Michael G.
United Kingdom, Egham
Royal Holloway, University of London
Misiejuk, Andrzej Stanislaw
United Kingdom, Egham
Royal Holloway, University of London
Clifft, R. W.
United Kingdom, Didcot
Rutherford Appleton Laboratory
Norton, P. R.
United Kingdom, Didcot
Rutherford Appleton Laboratory
Boumediène, Djamel Eddine
France, Gif-sur-yvette
Cea Saclay
Renardy, Jean F.
France, Gif-sur-yvette
Cea Saclay
Trabelsi, A.
France, Gif-sur-yvette
Cea Saclay
Tunisia, Tunis
Université de Tunis el Manar, Faculté Des Sciences de Tunis
Litke, Alan M.
United States, Santa Cruz
University of California, Santa Cruz
Booth, C. N.
United Kingdom, Sheffield
The University of Sheffield
Combley, F. H.
United Kingdom, Sheffield
The University of Sheffield
Grupen, Claus
Germany, Siegen
Universität Siegen
Giannini, Gianrossano R.
Italy, Trieste
Università Degli Studi Di Trieste
Armstrong, S. R.
United States, Madison
University of Wisconsin-madison
Cranmer, Kyle S.
United States, Madison
University of Wisconsin-madison
Dissertori, Guenther
Switzerland, Zurich
Eth Zürich
Statistics
Citations: 106
Authors: 92
Affiliations: 51
Identifiers
Doi:
10.1016/S0370-2693(02)01584-8
ISSN:
03702693
Research Areas
Cancer