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Semi-leptonic B decays and the two-pion distribution amplitudes

  • Theoretical physics
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The European Physical Journal C - Particles and Fields Aims and scope Submit manuscript

Abstract.

We show that the semi-leptonic decay \(B^+ \to \pi^+\pi^-\ell^+\nu_\ell\) can be used as a source of information for two-pion distribution amplitudes. The connection between these amplitudes and the B-meson decay width is achieved by the light cone sum rule method. We show the relevant distribution amplitudes and give the formula for the decay width.

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Received: 11 April 2001 / Published online: 19 July 2001

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Maul, M. Semi-leptonic B decays and the two-pion distribution amplitudes. Eur. Phys. J. C 21, 115–121 (2001). https://doi.org/10.1007/s100520100734

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  • DOI: https://doi.org/10.1007/s100520100734

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