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Analysis of pC-interactions at Momentum of 4.2 GeV/c Within Framework of FRITIOF and Cascade Models | | A. Galoyan
; E. N. Kladnitskaya
; O. V. Rogachevskii
; R. Togoo
; V. V. Uzhinskii
; | | Date: |
19 Aug 2002 | | Subject: | hep-ex | | Abstract: | Experimental data on multiplicities and kinematical characteristics of $pi^-$, $pi^+$ mesons and protons in the interactions of protons with carbon nucleus at momentum 4.2 GeV/c in a dependence of collision centrality are analyzed. Parameter Q which is a difference between multiplicities of positive and negative charged particles without multiplicity of slow protons with momentum less than 0.3 GeV/c in an event, is taken as a criteria of collision centrality. The experimental data on events with different centrality are compared with predictions of the cascade-evaporation model and the modified FRITIOF model. For the first time, non-nucleonic degrees of freedom in nuclei ($Delta ^+, Delta ^0 $ isobars) are taken into account in the FRITIOF model, and a commonly good description of the secondary particles characteristics is reached. | | Source: | arXiv, hep-ex/0208032 | | Services: | Forum | Review | PDF | Favorites | |
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