Measurements of $\psi (2S)$ and ${\chi }_{c1}(3872)$ production within fully reconstructed jets

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1114

This paper presents the first measurement of $\psi (2S)$ and ${\chi }_{c1}(3872)$ meson production within fully reconstructed jets. Each quarkonium state (tag) is reconstructed via its dec…