Anomalous behavior of pion production in high energy particle collisions
A. A. Bylinkin (1), A. A. Rostovtsev (1) ((1) Institute for, Theoretical, Experimental Physics, ITEP, Moscow, Russia)
TL;DR
This paper analyzes the invariant differential cross section for charged hadron production in high energy collisions, revealing that pions uniquely require a significant exponential component, unlike other hadrons.
Contribution
It identifies a unique anomalous exponential behavior in pion spectra that differs from other charged hadrons in collider experiments.
Findings
Pion spectra show an unusually high exponential contribution.
Charged kaons, protons, and antiprotons do not exhibit this anomaly.
The shape of pion production spectra is distinct from other hadrons.
Abstract
A shape of invariant differential cross section for charged hadron production as function of transverse momentum measured in various collider experiments is analyzed. Contrary to the behavior of produced charged kaons, protons and antiprotons, the pion spectra require an anomalously high contribution of an exponential term to describe the shape.
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