A search for sleptons and gauginos in Z 0 decays

Using a data sample corresponding to 10 000 hadronic Z 0 decays, we have searched for the production of sleptons and gauginos in the two-prong decays of Z 0. No candidate remains after straightforward selections. For neutralinos, we use selection methods developed in our previous search for neutral...

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Veröffentlicht in:	Physics letters. B 1990, Vol.247 (1), p.157-166
Hauptverfasser:	Adye, T., Allen, P., Amaldi, U., Anassontzis, E., Augustin, J.-E., Bambade, P., Barring, O., Becks, K.-H., Belokopytov, I., Beltran, P., Benlloch, J.M., Bertrand, D., Biagi, S., Bibby, J.H., Bloch, D., Bolognese, T., Booth, P.S.L., Bricman, C., Brown, R.C.A., Buran, T., Canale, V., Cavallo, F.R., Charpentier, P., Chliapnikov, P., Chorowicz, V., Crawley, H.B., Crosland, N., Maestro, J.Cuevas, Dalmagne, B., Damgaard, G., Darbo, G., Daubie, E., David, P., De Beer, M., De Groot, N., De Min, A., Doroba, K., Dulinski, W., Firestone, A., Fokitis, E., Fries, D.C., Furstenau, H., Glitza, K.-W., Golovatyuk, V.M., Gotra, Y.N., Grant, A., Gros, M.-H., De Monchenault, G.Hamel, Houlden, M., Jackson, J.N., Juillot, P., Katsoufis, E.C., Kokkinias, P., Koratzinos, M., Korcyl, K., Kreuzberger, T., Kruener-Marquis, U., Lamsa, J.W., Lapin, V., Lieb, E., Lindgren, J., Llosa, R., Lopez Aguera, M.A., Lopez-Fernandez, A., Lozano, J.J., Lucock, R., Mathis, L., Mazzucato, M., Mjoernmark, U., Moa, T., Moeller, R., Myatt, G., Ostankov, A., Palka, H., Pegoraro, M., Pernicka, M., Pimenta, M., Pozdnyakov, V.N., Ragazzi, S., Ratoff, P.N., Read, A.L., Resvanis, L.K., Rosso, E., Saarikko, H., Sanchis, E., Sebastia, A., Skaali, T.B., Squarcia, S., Stanescu, C., Strauss, J., Strub, R., Theodosiou, G., Tuuva, T., Van Apeldoorn, G.W., Vegni, G., Velasco, J., Vlasov, E.V., Voulgaris, G., Wormald, D., Zalewski, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	High Energy Physics - Experiment Physics
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Zusammenfassung:	Using a data sample corresponding to 10 000 hadronic Z 0 decays, we have searched for the production of sleptons and gauginos in the two-prong decays of Z 0. No candidate remains after straightforward selections. For neutralinos, we use selection methods developed in our previous search for neutral Higgs particles. The negative results are translated into improved mass limits and parameter constraints on the minimal supersymmetric extension of the standard model.
ISSN:	0370-2693 1873-2445
DOI:	10.1016/0370-2693(90)91064-I