Angular Analysis of \boldmath ${\Lambda }_b\to {\Lambda }_c(\to \Lambda \pi )\ell \bar{\nu }$

Philipp Böer, Ahmet Kokulu, Jan-Niklas Toelstede +1

We revisit the decay ${\Lambda }_b^0\to {\Lambda }_c^{+}{\ell }^{-}\bar{\nu }$ ($\ell =e,\mu ,\tau$) with a subsequent two-body decay ${\Lambda }_c^{+}\to {\Lambda }^0{\pi }^{+}$ in the Standard Model and in generic New Physics models. The…