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High Energy Physics - Phenomenology

arXiv:1310.0941 (hep-ph)
[Submitted on 3 Oct 2013 (v1), last revised 22 Apr 2014 (this version, v5)]

Title:$B$ Meson Decay Constants $f_{B_c}$, $f_{B_s}$ and $f_B$ from QCD Sum Rules

Authors:M. J. Baker, J. Bordes, C. A. Dominguez, J. Peñarrocha, K. Schilcher
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Abstract:Finite energy QCD sum rules with Legendre polynomial integration kernels are used to determine the heavy meson decay constant $f_{B_c}$, and revisit $f_B$ and $f_{B_s}$. Results exhibit excellent stability in a wide range of values of the integration radius in the complex squared energy plane, and of the order of the Legendre polynomial. Results are $f_{B_c} = 528 \pm 19$ MeV, $f_B = 186 \pm 14$ MeV, and $f_{B_s} = 222 \pm 12$ MeV.
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Experiment (hep-ex)
Report number: IFIC/13-70, MITP/13-056, UCT-TP--298/13
Cite as: arXiv:1310.0941 [hep-ph]
  (or arXiv:1310.0941v5 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1310.0941
Related DOI: https://doi.org/10.1007/JHEP07%282014%29032

Submission history

From: C. A. Dominguez [view email]
[v1] Thu, 3 Oct 2013 11:13:05 UTC (27 KB)
[v2] Tue, 4 Feb 2014 13:19:21 UTC (240 KB)
[v3] Wed, 5 Feb 2014 08:45:00 UTC (240 KB)
[v4] Mon, 10 Mar 2014 12:46:29 UTC (241 KB)
[v5] Tue, 22 Apr 2014 09:46:59 UTC (241 KB)
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