Multiplicity difference between heavy- and light-quark jets revisited Yu L. Dokshitzer, F. Fabbri, V. A. Khoze and W. Ochs Eur. Phys. J. C, 45 2 (2006) 387-400 Published online: 25 November 2005 DOI: 10.1140/epjc/s2005-02424-5