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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/23714
Title: 
Measurement of semileptonic branching fractions of B mesons to narrow D-** states - art. no. 1711803
Author(s): 
Institution: 
  • Joint Nucl Res Inst
  • Univ Buenos Aires
  • Centro Brasileiro de Pesquisas Físicas (CBPF)
  • Universidade do Estado do Rio de Janeiro (UERJ)
  • Universidade Estadual Paulista (UNESP)
  • Simon Fraser Univ
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  • Petersburg Nucl Phys Inst
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  • Univ London Imperial Coll Sci & Technol
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  • University of Arizona
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  • Lawrence Berkeley Natl Lab
  • Calif State Univ Fresno
  • University of California, Riverside (UCR)
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  • Fermilab Natl Accelerator Lab
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ISSN: 
0031-9007
Abstract: 
Using the data accumulated in 2002-2004 with the D0 detector in proton-antiproton collisions at the Fermilab Tevatron collider with a center-of-mass energy of 1.96 TeV, the branching fractions of the decays B ->(D) over bar (0)(1)(2420)mu(+)nu(mu)X and B ->(D) over bar (*0)(2)(2460)mu(+)nu(mu)X and their ratio have been measured: B (b) over bar -> B)xB(B -> (D) over bar (0)(1)mu(+)nu(mu)X)xB((D) over bar (0)(1)-> D(*-)pi(+))=[0.087 +/- 0.007(stat)+/- 0.014(syst)]%; B((b) over bar -> B)xB(B ->(D) over bar (*0)(2)mu(+)nu(mu)X)xB((D) over bar (*0)(2)-> D(*-)pi(+))=[0.035 +/- 0.007(stat)+/- 0.008(syst)]% and [B(B ->(D) over bar (*0)(2)mu(+)nu(mu)X)xB((D) over bar (*0)(2)-> D(*-)pi(+))]/[B(B ->(D) over bar (0)(1)mu(+)nu(mu)X)xB((D) over bar (0)(1)-> D(*-)pi(+))]=0.39 +/- 0.09(stat)+/- 0.12(syst), where the charge conjugated states are always implied.
Issue Date: 
21-Oct-2005
Citation: 
Physical Review Letters. College Pk: American Physical Soc, v. 95, n. 17, 7 p., 2005.
Time Duration: 
7
Publisher: 
American Physical Soc
Source: 
http://dx.doi.org/10.1103/PhysRevLett.95.171803
URI: 
http://hdl.handle.net/11449/23714
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/23714
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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