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Search for Pair Production of Supersymmetric Top Quarks in Dilepton Events from p(p)over-bar Collisions at root s=1.96 TeV RID B-1016-2012 RID G-1087-2011 RID E-4473-2011

Aaltonen T.
•
Adelman J.
•
Akimoto T.
altro
Zucchelli S.
2010
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
We present the results of a search for pair production of the supersymmetric partner of the top quark (the top squark (t) over tilde (1)) decaying to a b quark and a chargino (chi) over tilde (+/-)(1) with a subsequent (chi) over tilde (+/-)(1) decay into a neutralino (chi) over tilde (0)(1), lepton l, and neutrino nu Using a data sample corresponding to 2.7 fb(-1) of integrated luminosity of p (p) over bar collisions at root s = 1: 96 TeV collected by the CDF II detector, we reconstruct the mass of top squark candidate events and fit the observed mass spectrum to a combination of standard model processes and (t) over tilde (1)(t) over tilde (1). We find no evidence for (t) over tilde (1)(t) over tilde (1) production and set 95% C. L. limits on the masses of the top squark and the neutralino for several values of the chargino mass and the branching ratio B((X) over tilde (+/-)(1) -> (chi) over tilde (0)(1)l(+/-)nu).
DOI
10.1103/PhysRevLett.104.251801
WOS
WOS:000279174500001
Archivio
http://hdl.handle.net/11390/862949
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-77953986319
Diritti
metadata only access
Scopus© citazioni
35
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
20
Data di acquisizione
Mar 26, 2024
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