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arXiv · 0811.2692

Asymmetry Parameter of the $K_{1} (1270, 1400)$ by Analyzing the $B\to K_{1}ν\barν$ Transition Form Factors within QCD

M. Bayar·K. Azizi
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Abstract

Separating the mixture of the $ K_{1}(1270)$ and $K_{1}(1400) $ states, the $B\to K_{1}(1270, 1400)ν\barν$ transition form factors are calculated in the three-point QCD sum rules approach. The longitudinal, transverse and total decay widths as well as the asymmetry parameter, characterizing the polarization of the axial $K_{1}(1270, 1400)$ and the branching ratio for these decays are evaluated.

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M. Bayar, K. Azizi. 2009-01-10. Asymmetry Parameter of the $K_{1} (1270, 1400)$ by Analyzing the $B\to K_{1}ν\barν$ Transition Form Factors within QCD. https://doi.org/10.1140/epjc%2Fs10052-009-1001-7

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