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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/23727
Title: 
Search for the pair production of scalar top quarks in the acoplanar charm jet final state in p(p)over-bar collisions at root s=1.96 TeV
Author(s): 
Institution: 
  • CNRS
  • Univ Aix Marseille 2
  • Univ Grenoble 1
  • Univ Clermont Ferrand
  • Univ San Francisco Quito
  • Acad Sci Czech Republic
  • Czech Tech Univ Prague
  • Charles Univ Prague
  • Universidad de los Andes
  • Univ Sci & Technol China
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  • Centro Brasileiro de Pesquisas Físicas (CBPF)
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  • CINVESTAV
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  • Univ Amsterdam
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  • Joint Inst Nucl Res
  • Institute for Theoretical and Experimental Physics (ITEP)
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  • Inst High Energy Phys
  • Petersburg Nucl Phys Inst
  • Lund Univ
  • Royal Inst Technol
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  • Uppsala Univ
  • Univ Zurich
  • University of Lancaster
  • Univ London Imperial Coll Sci Technol & Med
  • University of Manchester
  • University of Arizona
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  • Calif State Univ Fresno
  • University of California, Riverside (UCR)
  • Florida State University
  • Fermilab Natl Accelerator Lab
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ISSN: 
0370-2693
Abstract: 
A search for the pair production of scalar top quarks, (t) over tilde, has been performed in 360 pb(-1) of data from pp collisions at a center-of-mass energy of 1.96 TeV, collected by the D phi detector at the Fermilab Tevatron collider. The (t) over tilde decay mode considered is (t) over tilde -> c (chi) over tilde (0)(1), where (chi) over tilde (0)(1) is the lightest supersymmetric particle. The topology analyzed therefore consists of a pair of acoplanar heavy-flavor jets with missing transverse energy. The data and standard model expectation are in agreement, anda 95% C.L. exclusion domain in the (m((t) over tilde), m((chi) over tilde1)(0)) plane has been determined, extending the domain excluded by previous experiments. (c) 2006 Elsevier B.V All rights reserved.
Issue Date: 
8-Feb-2007
Citation: 
Physics Letters B. Amsterdam: Elsevier B.V., v. 645, n. 2-3, p. 119-127, 2007.
Time Duration: 
119-127
Publisher: 
Elsevier B.V.
Source: 
http://dx.doi.org/10.1016/j.physletb.2006.12.024
URI: 
http://hdl.handle.net/11449/23727
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/23727
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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