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Lees, J. P. [Author]; Poireau, V. [Author]; Lee, M. J. [Author]; Prasad, V. [Author]; Morii, M. [Author]; Adametz, A. [Author]; Uwer, U. [Author]; Lacker, H. M. [Author]; Dauncey, P. D. [Author]; Mallik, U. [Author]; Chen, C. [Author]; Cochran, J. [Author]; Meyer, W. T. [Author]; Lynch, G. [Author]; Prell, S. [Author]; Gritsan, A. V. [Author]; Arnaud, N. [Author]; Davier, M. [Author]; Derkach, D. [Author]; Grosdidier, G. [Author]; Le Diberder, F. [Author]; Lutz, A. M. [Author]; Malaescu, B. [Author]; Roudeau, P. [Author]; [...]

Evidence for the baryonic decay ${\overline{B}}^{0}\to {D}^{0}\mathrm{\Lambda }\overline{\mathrm{\Lambda }}$

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  • Media type: E-Article
  • Title: Evidence for the baryonic decay ${\overline{B}}^{0}\to {D}^{0}\mathrm{\Lambda }\overline{\mathrm{\Lambda }}$
  • Contributor: Lees, J. P. [Author]; Poireau, V. [Author]; Lee, M. J. [Author]; Prasad, V. [Author]; Morii, M. [Author]; Adametz, A. [Author]; Uwer, U. [Author]; Lacker, H. M. [Author]; Dauncey, P. D. [Author]; Mallik, U. [Author]; Chen, C. [Author]; Cochran, J. [Author]; Meyer, W. T. [Author]; Lynch, G. [Author]; Prell, S. [Author]; Gritsan, A. V. [Author]; Arnaud, N. [Author]; Davier, M. [Author]; Derkach, D. [Author]; Grosdidier, G. [Author]; Le Diberder, F. [Author]; Lutz, A. M. [Author]; Malaescu, B. [Author]; Roudeau, P. [Author]; [...]
  • imprint: Soc., 2014
  • Published in: Physical review / D 89(11), 112002 (2014). doi:10.1103/PhysRevD.89.112002
  • Language: English
  • DOI: https://doi.org/10.1103/PhysRevD.89.112002
  • ISSN: 1550-7998; 1550-2368; 0556-2821; 1089-4918
  • Origination:
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  • Description: Evidence is presented for the baryonic B meson decay B¯0→D0ΛΛ¯ based on a data sample of 471×106 BB¯ pairs collected with the BABAR detector at the PEP-II asymmetric e+e− collider located at the SLAC National Accelerator Laboratory. The branching fraction is determined to be B(B¯0→D0ΛΛ¯)=(9.8+2.9−2.6±1.9)×10−6, corresponding to a significance of 3.4 standard deviations including additive systematic uncertainties. A search for the related baryonic B meson decay B¯0→D0Σ0Λ¯ with Σ0→Λγ is performed and an upper limit B(B¯0→D0Σ0Λ¯+B¯0→D0ΛΣ¯0)<3.1×10−5 is determined at 90% confidence level.
  • Access State: Open Access