https://doi.org/10.1140/epjc/s10052-014-2898-z
Letter
Universality of identified hadron production in 
collisions
Institute for Theoretical and Experimental Physics, ITEP, Moscow, Russia
* e-mail: alexander.bylinkin@desy.de
Received:
4
March
2014
Accepted:
9
May
2014
Published online:
20
May
2014
The shapes of invariant differential cross section for identified 
and 
production as a function of transverse momentum measured in collisions by the PHENIX detector are analyzed in terms of a recently introduced approach. Simultaneous fits of these data to the sum of exponential and power-law terms show a significant difference in the exponential term contributions. This effect qualitatively explains the observed shape of the experimental 
and 
yield ratios measured as a function of transverse momentum of produced hadrons. A picture with two types of mechanisms for hadron production is presented. Universality of the power-law term behavior for , and production is shown.
© SIF and Springer-Verlag Berlin Heidelberg, 2014
