Bound on dissipative effects from semileptonic neutral B-meson decays F. Benatti, R. Floreanini, S. Marcantoni, P. Pinotti and K. Zimmermann Eur. Phys. J. C, 77 9 (2017) 651 Published online: 27 September 2017 DOI: 10.1140/epjc/s10052-017-5242-6