We have searched for direct production of scalar top quarks at the Collider Detector at Fermilab in 88 pb(-1) of p (p) over bar collisions at root s = 1.8 TeV. We assume the scalar top quark decays into either a bottom quark and a chargino or a bottom quark, a lepton, and a scalar neutrino. The event signature for both decay scenarios is a lepton, missing transverse energy, and at least two b-quark jets. For a chargino mass of 90 GeV/c(2) and scalar neutrino masses of at least 40 GeV/c(2), we find no evidence for scalar top production and present upper limits on the production cross section in both decay scenarios.
Titolo: | Search for scalar top quark production in p)(p)over-bar collisions at root s=1.8 TeV | |
Autori: | ||
Data di pubblicazione: | 2000 | |
Rivista: | ||
Abstract: | We have searched for direct production of scalar top quarks at the Collider Detector at Fermilab in 88 pb(-1) of p (p) over bar collisions at root s = 1.8 TeV. We assume the scalar top quark decays into either a bottom quark and a chargino or a bottom quark, a lepton, and a scalar neutrino. The event signature for both decay scenarios is a lepton, missing transverse energy, and at least two b-quark jets. For a chargino mass of 90 GeV/c(2) and scalar neutrino masses of at least 40 GeV/c(2), we find no evidence for scalar top production and present upper limits on the production cross section in both decay scenarios. | |
Handle: | http://hdl.handle.net/11577/2544882 | |
Appare nelle tipologie: | 01.01 - Articolo in rivista |
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