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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/24478
Title: 
Measurement of the forward-backward charge asymmetry in top-quark pair production
Author(s): 
Institution: 
  • Joint Inst Nucl Res
  • Univ Buenos Aires
  • Centro Brasileiro de Pesquisas Físicas (CBPF)
  • Univ Estado Rio de Janeiro
  • Universidade Federal do ABC (UFABC)
  • Universidade Estadual Paulista (UNESP)
  • Univ Alberta
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  • Institute for Theoretical and Experimental Physics (ITEP)
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  • Inst High Energy Phys
  • Petersburg Nucl Phys Inst
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  • University of Lancaster
  • Univ London Imperial Coll Sci Technol & Med
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  • University of California, Riverside (UCR)
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  • Fermilab Natl Accelerator Lab
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ISSN: 
0031-9007
Abstract: 
We present the first measurement of the integrated forward-backward charge asymmetry in top-quark-top-antiquark pair (t (t) over bar) production in proton-antiproton (p (p) over bar) collisions in the lepton+jets final state. Using a b-jet tagging algorithm and kinematic reconstruction assuming t (t) over bar +X production and decay, a sample of 0.9 fb(-1) of data, collected by the D0 experiment at the Fermilab Tevatron Collider, is used to measure the asymmetry for different jet multiplicities. The result is also used to set upper limits on t (t) over bar +X production via a Z' resonance.
Issue Date: 
11-Apr-2008
Citation: 
Physical Review Letters. College Pk: Amer Physical Soc, v. 100, n. 14, p. 7, 2008.
Time Duration: 
7
Publisher: 
Amer Physical Soc
Source: 
http://dx.doi.org/10.1103/PhysRevLett.100.142002
URI: 
http://hdl.handle.net/11449/24478
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/24478
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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