Search for scalar leptons and scalar quarks at LEP

Scalar partners of quarks and leptons, predicted in supersymmetric models, are searched for in e+e− collisions at centre-of-mass energies between 192 and 209 GeV at LEP. No evidence for any such particle is found in a data sample of 450 pb−1. Upper limits on their production cross sections are set a...

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Veröffentlicht in:	Physics letters. B 2004-01, Vol.580 (1-2), p.37-49
Hauptverfasser:	Alcaraz, J., Aloisio, A., Alviggi, M.G., Arefiev, A., Banerjee, Sw, Becattini, F., Bellucci, L., Biglietti, M., Biland, A., Blaising, J.J., Böhm, A., Boldizsar, L., Branson, J.G., Capell, M., Cartacci, A., Cavallo, N., Chemarin, M., Chen, H.S., Chiefari, G., Cifarelli, L., de Asmundis, R., De Salvo, A., Dionisi, C., El Hage, A., Engler, A., Extermann, P., Falagan, M.A., Fisk, I., Freudenreich, K., Garcia-Abia, P., Gentile, S., Giagu, S., van Gulik, R., Hofer, H., Hou, S.R., Jones, L.W., Kirkby, J., König, A.C., Kopal, M., Kraemer, R.W., Krüger, A., Lebrun, P., Lecomte, P., Lecoq, P., Le Goff, J.M., Leiste, R., Luci, C., Marzano, F., McNeil, R.R., Merola, L., Metzger, W.J., Nagy, S., Natale, S., Nessi-Tedaldi, F., Newman, H., Novak, T., Pal, I., Paolucci, P., Paramatti, R., Passaleva, G., Paus, C., Pauss, F., Pedace, M., Pistolesi, E., Rahaman, M.A., Ranieri, R., Raspereza, A., Ren, D., Rosier-Lees, S., Rosenbleck, C., Rykaczewski, H., Saremi, S., Sarkar, S., Sciacca, C., Shevchenko, S., Shoutko, V., Shvorob, A., Son, D., Tang, X.W., Timmermans, C., Ting, S.M., Tung, K.L., Ulbricht, J., Valente, E., Van de Walle, R.T., Vasquez, R., Vesztergombi, G., Vetlitsky, I., Vicinanza, D., Vogel, H., Vogt, H., Wang, Q., Wang, X.L., Weber, M., Wienemann, P., Xia, L., Yang, B.Z., Yang, C.G., Yang, M., Zalite, Yu
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology High Energy Physics - Experiment Physics The physics of elementary particles and fields
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Beschreibung
Zusammenfassung:	Scalar partners of quarks and leptons, predicted in supersymmetric models, are searched for in e+e− collisions at centre-of-mass energies between 192 and 209 GeV at LEP. No evidence for any such particle is found in a data sample of 450 pb−1. Upper limits on their production cross sections are set and lower limits on their masses are derived in the framework of the Minimal Supersymmetric Standard Model.
ISSN:	0370-2693 1873-2445
DOI:	10.1016/j.physletb.2003.10.010