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Pion multiplicity in nuclear collisions

Gazdzicki, M. ; Roehrich, D. ;
Z.Phys.C 65 (1995) 215-223, 1995.
Inspire Record 398172 DOI 10.17182/hepdata.14107

Data on the mean multiplicity ofπ- produced in minimum bias proton-proton, proton-neutron and proton-nucleus interactions as well as central nucleus-nucleus collisions at momenta of 1.4–400 GeV/c per nucleon have been compiled and studied. The results for neutron-neutron and nucleon-nucleon interactions were then constructed. The dependence of the mean pion multiplicity in proton-nucleus interactions and central collisions of identical nuclei are studied as a function of the collision energy and the nucleus mass number. The number of produced pions per participant nucleon in central collisions of identical nuclei is found to be independent of the number of participants at a fixed incident momentum per nucleon. The mean multiplicity of negatively charged hadrons per participant nucleon for central nucleus-nucleus collisions is lower by about 0.12 than the corresponding multiplicity for nucleon-nucleon interactions atpLAB≲15 A·GeV/c, whereas the result at 200 A·GeV/c is above the corresponding nucleon-nucleon multiplicity. This may indicate change of the collision dynamics at high energy.

13 data tables

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MEAN MULTIPLICITY OF N N COLLISIONS IS DEDUCED FROM PROTON-PROTON DATA.

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Multiplicities of Secondary Pions in Relativistic Nucleus-nucleus Collisions and the Distribution of the Number of Interacting Nucleons of the Incident Nucleus

Bartke, J. ;
Abstract Only In *Berkeley 1980, Proceedings, Nuclear Physics, Vol. 1*, 541, 1980.
Inspire Record 156735 DOI 10.17182/hepdata.39555
2 data tables

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MULTIPLICITY OF PI- MESONS IN INELASTIC INTERACTIONS OF PROTONS WITH NUCLEI OF C AND TA IN THE MOMENTUM INTERVAL 2-GEV/C 10-GEV/C. (IN RUSSIAN)

Baatar, Ts. ; Gasparian, A.P. ; Gafurov, G.G. ; et al.
Yad.Fiz. 32 (1980) 1372-1378, 1980.
Inspire Record 159805 DOI 10.17182/hepdata.39915

None

3 data tables

MULT NORMALIZED ON INELASTIC EVENTS IN A MODEL DEPENDENT FASION. LOOP-VER.

MULT IN YN ARE NORMYLIZED ON EVENTS WITH AT LEAST ONE CHARGED-.

MULT AND MULT2 IN THIS TABLE NORMALIZED ON EVENT VITH AT LEAST ONE CHARGED- IN THE FINAL STATE.