A study of hadron-Pb collisions through hadron-induced showers in thick lead chambers

Details A study of hadron-Pb collisions through hadron-induced showers in thick lead chambers A study of hadron-Pb collisions through hadron-induced showers in thick lead chambers

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000nuphb.581...73t&link_type=abstract

Nuclear Physics B, Volume 581, Issue 1-2, p. 73-90.

Physics

Nuclear Physics

4

Scientific paper

Structures of hadron-induced showers observed by the Pamir thick lead chambers are compared with simulations. The simulations are made for several models, VENUS, QGSJET, HDPM and the modified UA5 model, for hadron-nucleus interactions. A parameter /Z, which is related to the inelasticity of hadron-Pb interactions, is defined and the /Z-distribution of experimental data is compared with those of the simulations applying the same procedure of data processing to both sets of data. The /Z-distribution for single-isolated hadrons is well reproduced by the models (VENUS, QGSJET and modified UA5) which give an average inelasticity =0.7-0.8, whereas that for multi hadrons is close to the HDPM model which gives a smaller inelasticity of =0.5-0.6. The difference of the characteristics between the two categories of hadron-induced showers is discussed.

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