Development of the Method for Reconstructing Semileptonic Decays of Mesons on CMS Data

Semileptonic decays of the meson to certain excited states of the meson in the CMS experiment at the Large Hadron Collider (LHC) are analyzed. The technique for reconstructing signals without identification of charged tracks in events is developed, its operability is successfully tested on the data on proton—proton collisions at the center-of-mass energy TeV. It can be used later, in particular, to measure the probabilities of the decays under study.