Acciarri, M. ; Adriani, O. ; Aguilar-Benitez, M. ; Gurtu, A. ; et., al (1999) Searches for scalar top and scalar bottom quarks in e+e- interactions at 161 GeV ≤√s≤ 183 GeV Physics Letters B, 445 (3-4). pp. 428-438. ISSN 0370-2693
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0370-2693(98)01505-6
Abstract
Searches for scalar top and scalar bottom quarks have been performed at center-of-mass energies between 161 GeV and 183 GeV using the L3 detector at LEP. No signal is observed. Model-independent limits on production cross sections are determined for the two decay channels t̅1→ cχ̅1. Within the framework of the Minimal Supersymmetric extension of the Standard Model mass limits are derived. For mass differences between t̅1 and χ̅01 greater than 10 GeV a 95% C.L. limit of 81.5 GeV is set on the mass of the Supersymmetric partner of the left-handed top. A supersymmetric partner of the left-handed bottom with a mass below 80 GeV is excluded at 95% C.L. if the mass difference between b̅1 and χ̅01 is greater than 20 GeV.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 83544 |
| Deposited On: | 21 Feb 2012 12:51 |
| Last Modified: | 21 Feb 2012 12:51 |
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