Schmelling, M. Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;
http://link.aps.org/doi/10.1103/PhysRevD.88.072005 (Verlagsversion)
Aaij, R., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., et al. (2013). First observation of (B)over-bar(0) -> J/psi K+K- and search for (B)over-bar(0) -> J/psi phi decays. Physical Review D, 88(7): 072005. doi:10.1103/PhysRevD.88.072005.