scholarly journals Particle production and correlations in hadron-hadron collisions in the dual Monte-Carlo chain fragmentation model

1985 ◽  
Vol 27 (3) ◽  
pp. 413-418 ◽  
Author(s):  
J. Ranft ◽  
S. Ritter
Author(s):  
N. S. Amelin ◽  
H. Stöcker ◽  
W. Greiner ◽  
N. Armesto ◽  
C. Pajares

2020 ◽  
Vol 235 ◽  
pp. 01004
Author(s):  
Małgorzata Anna Janik

Latest measurements of ΔηΔφ correlations of identified particles show differences in particle production between baryons and mesons. The correlation functions for mesons exhibit the expected peak dominated by effects of mini-jet fragmentation and are reproduced well by general purpose Monte Carlo generators. For baryon pairs (where both particles have the same baryon number) a surprising near-side anti-correlation structure is observed instead of a peak, implying that two such particles are rarely produced with similar momentum. These results present a challenge to the contemporary models and there is no definite theoretical explanation of the observation. In this proceedings an overview of the latest baryon correlation measurements yielding startling results are presented.


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