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EnglishWe have searched in pp¯ collisions at √s=1.8TeV for events with three charged leptons and missing transverse energy. In the minimal supersymmetric standard model, we expect trilepton events from chargino-neutralino (χ̃±1χ̃02) pair production, with subsequent decay into leptons. We observe no candidate e+e−e±, e+e−μ±, e±μ+μ−, or μ+μ−μ± events in 106pb−1 integrated luminosity. We present limits on the sum of the branching ratios times cross section for the four channels: σχ̃±1χ̃02B(χ̃±1χ̃02→3ℓ+X)<0.34pb, Mχ̃±1>81.5GeV/c2, and Mχ̃02>82.2GeV/c2 for tanβ=2, μ=−600GeV/c2, and Mq̃=Mg̃.
Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider / Cauz, D; Cobal, M; Grassmann, H; Pauletta, G; Santi, L; et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 80:24(1998), pp. 5275-5280.
| Titolo: | Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider | |
| Autori: | ||
| Data di pubblicazione: | 1998 | |
| Rivista: | ||
| Citazione: | Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider / Cauz, D; Cobal, M; Grassmann, H; Pauletta, G; Santi, L; et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 80:24(1998), pp. 5275-5280. | |
| Abstract: | We have searched in pp¯ collisions at √s=1.8TeV for events with three charged leptons and missing transverse energy. In the minimal supersymmetric standard model, we expect trilepton events from chargino-neutralino (χ̃±1χ̃02) pair production, with subsequent decay into leptons. We observe no candidate e+e−e±, e+e−μ±, e±μ+μ−, or μ+μ−μ± events in 106pb−1 integrated luminosity. We present limits on the sum of the branching ratios times cross section for the four channels: σχ̃±1χ̃02B(χ̃±1χ̃02→3ℓ+X)<0.34pb, Mχ̃±1>81.5GeV/c2, and Mχ̃02>82.2GeV/c2 for tanβ=2, μ=−600GeV/c2, and Mq̃=Mg̃. | |
| Handle: | http://hdl.handle.net/11390/684878 http://hdl.handle.net/11390/1085336 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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