Add B->Dstmunu, D0->Kpipi0 DEC file
For a study of pi0 efficiency.
B^{0}\to D^{\ast -}\mu^{+}\nu_{\mu}, D^{\ast -}\to \bar{D^{0}}\pi^{-}, \bar{D^{0}}\to K^{+}\pi^{-}\pi^{0}
For a study of pi0 efficiency.
B^{0}\to D^{\ast -}\mu^{+}\nu_{\mu}, D^{\ast -}\to \bar{D^{0}}\pi^{-}, \bar{D^{0}}\to K^{+}\pi^{-}\pi^{0}