Subleading Corrections to Semileptonic Lambda_c Decays
classification
✦ hep-ph
keywords
lambdacorrectionssemileptonicaccordingalphabeyondconsidereddecay
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The semileptonic decay $\Lambda_c \to \Lambda \ell \nu$ is considered in the framework of heavy quark effective theory beyond the leading order in the $1/m_c$ expansion. According to our estimate the polarization variable will receive only very small corrections such that $\alpha_{\Lambda_c} \le -0.95$.
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