Should particle trajectories comply with the transverse momentum distribution? M. Davidović, D. Arsenović, M. Božić, A. S. Sanz and S. Miret-Artés Eur. Phys. J. Special Topics, 160 (2008) 95-104 Published online: 18 June 2008 DOI: 10.1140/epjst/e2008-00713-0