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Utilize este identificador para citar ou criar um link para este item: http://acervodigital.unesp.br/handle/11449/23727
Título: 
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
Autor(es): 
Instituição: 
  • 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
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  • Centro Brasileiro de Pesquisas Físicas (CBPF)
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  • Korea University
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  • Inst NIKHEF
  • Univ Amsterdam
  • Radboud Univ Nijmegene
  • Joint Inst Nucl Res
  • Institute for Theoretical and Experimental Physics (ITEP)
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  • Inst High Energy Phys
  • Petersburg Nucl Phys Inst
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  • Royal Inst Technol
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  • Univ London Imperial Coll Sci Technol & Med
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ISSN: 
0370-2693
Resumo: 
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.
Data de publicação: 
8-Fev-2007
Citação: 
Physics Letters B. Amsterdam: Elsevier B.V., v. 645, n. 2-3, p. 119-127, 2007.
Duração: 
119-127
Publicador: 
Elsevier B.V.
Fonte: 
http://dx.doi.org/10.1016/j.physletb.2006.12.024
Endereço permanente: 
http://hdl.handle.net/11449/23727
Direitos de acesso: 
Acesso restrito
Tipo: 
outro
Fonte completa:
http://repositorio.unesp.br/handle/11449/23727
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