Inclusive charged pion production in hadron nucleus interactions at 100-GeV/c and 320-GeV/c

Whitmore, J.J. ; Persi, F. ; Toothacker, W.S. ; et al.
Z.Phys.C 62 (1994) 199-227, 1994.
Inspire Record 378192 DOI 10.17182/hepdata.14207

An experiment has been performed with the Fermilab 30-inch bubble chamber and Downstream Particle Identifier to study inclusive charged pion production in the high energy interactions of π±,K+,p and\(\bar p\) with thin foils of magnesium, silver and gold. The laboratory rapidity and transverse momentum distributions are presented separately for π+ and π− production. Comparisons are made with data from hadron-proton interactions and theA dependence of the cross sections in the different kinematic regions is discussed. We investigate the dependence of the cross sections on the number of observed protons ejected from the nucleus. By using our π−A data from two different beam energies, we study the energy dependence of these spectra. Comparisons are made with the VENUS string model Monte Carlo.

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Observation of a Dependence in Koba-nielsen-olesen Scaling Distributions for High-energy Hadron Nucleus Interactions

Biswas, N.N. ; Ting, S.J.Y. ; Mattingly, M.C.K. ; et al.
Phys.Rev.D 33 (1986) 3167-3171, 1986.
Inspire Record 233004 DOI 10.17182/hepdata.23515

Experimental multiplicity distributions scaled in the Koba-Nielsen-Olesen (KNO) form for hadron-nucleus interactions show clear deviations from the scaling distribution observed for hadron-hadron interactions. The deviations become larger as A increases. Our data can be described by a model which invokes the hypothesis that KNO scaling is valid for hadron-nucleus interactions at a fixed impact parameter. In this model, the A dependence of the multiplicity distributions results from the convolution of scatterings at various impact parameters.

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