HEPData Search

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Charged particle multiplicities in nuclear collisions at 200-GeV/N

The NA35 collaboration Bächler, J. ; Bartke, J. ; Bialkowska, H. ; et al.

Z.Phys.C 51 (1991) 157-162, 1991.

Inspire Record 320907 DOI 10.17182/hepdata.14983

Data on multiplicities of charged particles produced in proton-nucleus and nucleus-nucleus collisions at 200 GeV per nucleon are presented. It is shown that the mean multiplicity of negative particles is proportional to the mean number of nucleons participating in the collision both for nucleus-nucleus and proton-nucleus collisions. The apparent consistency of pion multiplicity data with the assumption of an incoherent superposition of nucleon-nucleon collisions is critically discussed.

4 data tables

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Excess of continuum dimuon production at masses between threshold and the J/psi in S W interactions at 200-GeV/c/nucleon.

The HELIOS/3 collaboration Angelis, A.L.S. ; Antos, J. ; Beaulieu, M. ; et al.

Eur.Phys.J.C 13 (2000) 433-452, 2000.

Inspire Record 472127 DOI 10.17182/hepdata.49491

Results are presented on dimuon production for invariant masses ranging from the dimuon threshold up to the $J/\Psi$ meson. Proton-tungsten and sulphur-tungsten int

8 data tables

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CORRELATIONS OVER MULTIPLICITY BETWEEN NEGATIVE PIONS AND PROTONS: PARTICIPANTS IN C Ta INTERACTIONS AT 4.2-GeV/c PER NUCLEON MOMENTUM

Backovic, S. ; Boldea, V. ; Grishin, V.G. ; et al.

Sov.J.Nucl.Phys. 50 (1989) 1001-1005, 1989.

Inspire Record 269366 DOI 10.17182/hepdata.38833

None

5 data tables

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Study on fractality in nucleus-nucleus interaction at a few GeV/c

Ghosh, D. ; Ghosh, P. ; Deb, A. ; et al.

Phys.Lett.B 272 (1991) 5-10, 1991.

Inspire Record 325536 DOI 10.17182/hepdata.29281

The scaled factorial moments, F q and fractal moments, G q have been measured and their power law variation as a function of size of the pseudorapidity interval has been studied in the central region of the pseudorapidity distribution of the produced charged particles in quasi-central and central collisions of 16 O + Ag Br at 2.1 GeV c per nucleon and 24 Mg + Ag Br at 4.5 GeV c per nucleon. The smooth spectral function f ( α q ), characterizing the fluctuation in the pseudorapidity distribution and the generalised dimensions D q have been derived from G q moments. The analyses reveal a self-similarity in multiparticle production in nucleus-nucleus interactions at an incident momentum of a few GeV/ c per nucleon. Interesting observations can be very effective in establishing multifractality in multiparticle production at this energy range.

2 data tables

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