https://doi.org/10.1140/epjc/s10052-022-10082-w
Regular Article - Experimental Physics
On connection between the collider long-range near-side “ridge” effect at 
and cosmic-ray coplanarity of most energetic particles
Institute for Nuclear Research, Russian Academy of Sciences, 117312, Moscow, Russia
Received:
26
March
2021
Accepted:
31
January
2022
Published online:
18
February
2022
Some coplanarity of most energetic subcores of 
-ray–hadron families is observed in cosmic-ray experiments at 
eV (
TeV). This effect requires appearance of some coplanar generation of most energetic particles in hadron-nucleus interactions. On the other hand, a long-range near-side “ridge” effect was observed in pp collisions at 
TeV by the CMS Collaboration in two-particle 
correlation functions at 
and 
. To improve a research for possible relationship of these phenomena, a phenomenological FANSY 2.0 model is designed to simulate hadron interactions using both traditional and coplanar modes for the hadron generation, QGSJ and CPG, respectively. The FANSY 2.0 reproduces LHC data on generation of unflavoured, strange and charmed hadrons. Model parameters of coplanar hadron generation are given. It is shown that the FANSY 2.0 CPG reproduces the near-side “ridge” effect at TeV.
© The Author(s) 2022
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