Unbinned angular analysis of B→D*ℓνℓ and the right-handed current

In this article, we perform a sensitivity study of an unbinned angular analysis of the $B\\ensuremath{\\rightarrow}{D}^{*}\\ensuremath{\\ell}{\\ensuremath{\\nu}}_{\\ensuremath{\\ell}}$ decay, including the contributions from the right-handed current. We show that the angular observable can constrain very strongly the right-handed current without the intervention of the yet unsolved ${V}_{cb}$ puzzle.