Searches for scalar top and scalar bottom quarks, as well as for mass-degenerate scalar quarks of the first two families are performed at 189 GeV centre-of-mass energy with the L3 detector at LEP, No signals are observed, Model-independent limits on the scalar top production cross sections are determined for the decay modes (t) over tilde(1) --> c<(chi)over tilde>(0)(1) and (t) over tilde(1) --> bl<(nu)over tilde>. For scalar quarks of the other flavours (q) over tilde --> q<(chi)over tilde>(0)(1) decays are considered. Within the framework; of the Minimal Supersymmetric Standard Model mass limits are set at 95% C.L. for these particles, Indirect limits on the gluino mass are also derived. (C) 1999 Published by Elsevier Science B.V. All rights reserved.

Searches for scalar quarks in e(+)e(-) interactions at root s=189 GeV / Acciarri, M., Achard, P., Adriani, O., Aguilar Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alviggi, M., Ambrosi, G., Anderhub, H., Andreev, V.P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Baksay, L., Balandras, A., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 471:(1999), pp. 308-320. [10.1016/S0370-2693(99)01363-5]

Searches for scalar quarks in e(+)e(-) interactions at root s=189 GeV

ALOISIO, ALBERTO;ALVIGGI, MARIAGRAZIA;CHIEFARI, GIOVANNI;DELLA VOLPE, DOMENICO;L. Lista;MEROLA, LEONARDO;NAPOLITANO, MARCO;PATRICELLI, SERGIO;SCIACCA, CRISOSTOMO;
1999

Abstract

Searches for scalar top and scalar bottom quarks, as well as for mass-degenerate scalar quarks of the first two families are performed at 189 GeV centre-of-mass energy with the L3 detector at LEP, No signals are observed, Model-independent limits on the scalar top production cross sections are determined for the decay modes (t) over tilde(1) --> c<(chi)over tilde>(0)(1) and (t) over tilde(1) --> bl<(nu)over tilde>. For scalar quarks of the other flavours (q) over tilde --> q<(chi)over tilde>(0)(1) decays are considered. Within the framework; of the Minimal Supersymmetric Standard Model mass limits are set at 95% C.L. for these particles, Indirect limits on the gluino mass are also derived. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
1999
Searches for scalar quarks in e(+)e(-) interactions at root s=189 GeV / Acciarri, M., Achard, P., Adriani, O., Aguilar Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alviggi, M., Ambrosi, G., Anderhub, H., Andreev, V.P., Angelescu, T., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Baksay, L., Balandras, A., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 471:(1999), pp. 308-320. [10.1016/S0370-2693(99)01363-5]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/476423
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