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|Type:||Artigo de periódico|
|Title:||INELASTICITY IN NUCLEON-NUCLEON AND NUCLEON-NUCLEUS COLLISION|
|Abstract:||Full Monte Carlo simulation of nuclear interactions was performed for energy dependence study of the inelasticity for charged particles in nucleon-nucleon and nucleon-nucleus collision using collider experimental data (CERN and Fermilab) and two different types of interaction models (Fire Tube and Minijet) for parametrization of pseudo-rapidity density distribution at large values of the pseudo-rapidity (\eta\ > 5). It was found that for both parametrizations the inelasticity in ppBAR collision decreases when energy increases and for proton-air nucleus the inelasticity has also a moderate decrease with the energy. However for proton-nucleus the inelasticity has a strong sensitivity with the mass number of the nucleus. Using our calculations for charged particles and statistical criterions we estimate the energy dependence on the total inelasticity for proton-air nucleus; our results are in good agreement with results obtained using the relation K(p-air) = A(delta)K(ppBAR)(A = 14.5, delta = 0.1) where K(ppBAR) is obtained with experimental data of the UA7 Collaboration in the forward region.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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