Exercise 9

Decay of D*(2010) → D0 π

Plot the mass distribution of a charged D^* which decays to a combination of D^0\pi^- or D^0 \pi^+:

    \[D^0 \longrightarrow K^+π^- \quad\text{or}\quad D^0 \longrightarrow K^-\pi^+\]

You will find a peak in the D^* mass distribution at at 2.01 \mathrm{GeV}/c^2

Use the block ‘Combine 2 particles’ and describe the process in two stages.

Be sure to select only the particles with a correct invariant mass of D^0 for further analysis.

http://belle2.ijs.si/masterclass