Study of charmonium production in -hadron decays and first evidence for the decay R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni, S. Akar, J. Albrecht, F. Alessio, M. Alexander, S. Ali, G. Alkhazov et al. (764 more) Eur. Phys. J. C, 77 9 (2017) 609 Published online: 14 September 2017 DOI: 10.1140/epjc/s10052-017-5151-8