Gheisha





Rapidity and Transverse Momentum Structure

in + and K+ Collisions

with Al and Au Nuclei at 250 GeV/c.

N.M.Agababyan et al., EHS-NA22 Collaboration

Rapidity distributions for positive and negative particles. In figure b) the low energy protons have been excluded.

                                

Transverse momentum distributions for positive und negative particles

                                

Rapidity distributions for positive and negative particles, normalized to the corresponding distributions in interactions on free protons.

                                

Transverse momentum distributions for positive and negative particles, normalized to the corresponding distributions in interactions on free protons.

                                

Averaged transverse momentum as function of the Feynman variable xF. The black line in the left figure is an eyeball fit to experimental data.

                                

Averaged transverse momentum as function of the number of produced negative particles.

                                

Transverse momentum distributions for positive and negative particles in the forward (y>0) and backward (y<0) hemisphere in the Meson- Hadron center-of-mass system, normalized to the corresponding distributions in interaction on free protons.

                                

Density distributions of the difference between the maximal rapidity of the charged particles in an event and the rapidity of the beam particle.

                                

Average number of negative particles as function of the difference between the maximal rapidity of the charged particles in an event and the rapidity of the beam particle.

                                

Average fraction of the incident energy carried by the fastest, second fastest, .....(particle number).

                                

Ratios of the transverse momentum distributions for positive and negative particles.

                                

Ratios of the rapidity distributions for positive and negative particles.