Physical observables in the decay $\Lambda_b \to \Lambda_c (\to \Lambda+\pi)+\tau^{-}+\bar \nu_{\tau}$

We analyze the tauonic semileptonic baryon decays $\Lambda^0_b \to \Lambda^+c + \tau^{-} +\bar \nu{\tau}$ with particular emphasis on the lepton helicity flip contributions which vanish for zero lepton masses. We calculate the total rate, differential decay distributions, the longitudinal and transverse polarization components of the $Λ_{c}^{+}$ and the $τ^{-}$ , and the lepton-side forward-backward asymmetries. We use the covariant confined quark model to provide numerical results on these observables.

Physical observables in the decay $Λ_{b} \to Λ_{c} (\to Λ + π) + τ^{-} + {\overset{ˉ}{ν}}_{τ}$

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Physical observables in the decay $Λ_{b} \to Λ_{c} (\to Λ + π) + τ^{-} + {\overset{ˉ}{ν}}_{τ}$

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Physical observables in the decay Λb→Λc(→Λ+π)+τ−+νˉτΛb​→Λc​(→Λ+π)+τ−+νˉτ​

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Physical observables in the decay Λb→Λc(→Λ+π)+τ−+νˉτΛb​→Λc​(→Λ+π)+τ−+νˉτ​

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Physical observables in the decay $Λ_{b} \to Λ_{c} (\to Λ + π) + τ^{-} + {\overset{ˉ}{ν}}_{τ}$

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Physical observables in the decay $Λ_{b} \to Λ_{c} (\to Λ + π) + τ^{-} + {\overset{ˉ}{ν}}_{τ}$

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