Local particle densities and global multiplicities in central heavy ion interactions at 3.7-A/GeV, 14.6-A/GeV, 60-A/GeV and 200-A/GeV

The EMU01 collaboration Adamovich, M.I. ; Aggarwal, M.M. ; Alexandrov, Y.A. ; et al.
Z.Phys.C 56 (1992) 509-520, 1992.
Inspire Record 334794 DOI 10.17182/hepdata.9290

The energy and centrality dependence of local particle pseudorapidity densities as well as validity of various parametrizations of the distributions are examined. The dispersion, σ, of the rapidity density distribution of produced particles varies slowly with centrality and is 0.80, 0.98, 1.21 and 1.41 for central interactions at 3.7, 14.6, 60 and 200A GeV incident energy, respectively, σ is found to be independent of the size of the interacting system at fixed energy. A novel way of representing the window dependence of the multiplicity as normalized variance versus inverse average multiplicity is outlined.

4 data tables

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NUCLEUS IS AGBR, CENTRAL EVENTS.

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Interactions of ultrarelativistic oxygen nuclei in emulsion

El-Nadi, M. ; El-Nagdy, M.S. ; Abd-Alla, A.M. ;
Phys.Rev.C 48 (1993) 870-876, 1993.
Inspire Record 363778 DOI 10.17182/hepdata.4987

The results of the multiplicity distributions of shower, grey, black, and heavily ionizing charged particles from induced16 reactions at 200A GeV are presented. The results are compared with the predictions of the Lund Monte Carlo code fritiof, the multichain model by Ranft, and the Monte Carlo code venus.

6 data tables

NUCLEUS - AVERAGE NUCLEI OF EMULSION.

NUCLEUS - AVERAGE NUCLEI OF EMULSION.

NUCLEUS - AVERAGE NUCLEI OF EMULSION.

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A Measurement of Cross-sections for $^{16}$O Al and $^{16}$O Pb Interactions at 60-{GeV}/$c$ and 200-{GeV}/$c$ Per Nucleon

The NA36 collaboration Barnes, P.D. ; Blaes, R. ; Braun, H. ; et al.
Phys.Lett.B 206 (1988) 146-150, 1988.
Inspire Record 252004 DOI 10.17182/hepdata.6494

Cross sections are measured for 16 O collisions with A1 and Pb. Dependences on beam momentum and atomic number are compared with data obtained at much lower beam momenta.

4 data tables

MODEL DEPENDENT ESTIMATION.

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NUCLEUS IS NUCLEAR PHOTOEMULSION. EVENT WITH A TOTAL CHARGE OF ALL SPECTATOR FRAGMENTS OF A PROJECTILE = 0.

NUCLEUS IS NUCLEAR PHOTOEMULSION. EVENT WITH A TOTAL CHARGET OF ALL SPECTATOR FRAGMENTS OF A PROJECTILE = 1.

NUCLEUS IS NUCLEAR PHOTOEMULSION.

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THE STUDY OF TOTAL DISINTEGRATION OF LEAD NUCLEI WITH Mg-24 NUCLEI AT 4.5-a/GeV/c

The Dubna-Cairo-Kosice-Rez collaboration Krasnov, S.A. ; Tolstov, K.D. ; Shabratova, G.S. ; et al.
JINR-P1-88-389, 1988.
Inspire Record 265668 DOI 10.17182/hepdata.38868

None

9 data tables

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Characteristics of projectile fragments produced in Mg-24 Em interactions at Dubna energy

El-Nadi, M. ; Hussien, A. ; Shaat, E.A. ; et al.
Nuovo Cim.A 108 (1995) 935-945, 1995.
Inspire Record 408552 DOI 10.17182/hepdata.37787

We present the basic characteristics of singly, doubly and heavily charged fragments of the incident nucleus in inelastic interactions of relativistic24Mg nuclei in nuclear emulsion. The relationship between the charge of the incident projectile nuclei and those of the projectile fragments is studied. The result reflects the importance of the charge of the incident projectiles and consequently the electromagnetic interactions in the fragmentation processes.

3 data tables

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Target associated particle production in ultrarelativistic nucleus-nucleus collisions

Sengupta, K. ; Jain, P.L. ; Singh, G. ;
Mod.Phys.Lett.A 6 (1991) 29-39, 1991.
Inspire Record 316958 DOI 10.17182/hepdata.37873

We report the multiplicity and angular distributions of the low energy target-associated particles from 32S and 16O induced reactions at 200 GeV/nucleon and 16O induced reactions at 60 GeV/nucleon in emulsion. The results are compared with the Monte-Carlo Code VENUS.

3 data tables

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THE FORWARD AND BACKWARD HEMISPHERE ARE DEFINED AS MULT(Q=FORWARD) WHEN COS(THETA) > 0 AND MULT(Q=BACKWARD) WHEN COS(THETA) < 0.


Multiplicity characteristics of particles produced in C-12 emulsion collisions at 4.5-A/GeV/c

Ahmad, M.S. ; Khan, M.Q.R. ; Siddique, K.A. ; et al.
Int.J.Mod.Phys.A 10 (1995) 845-857, 1995.
Inspire Record 401127 DOI 10.17182/hepdata.40450

Experimental data on multiplicities and correlations of charged particles of different types produced in collisions of 4.5 A GeV/c carbon-12 with emulsion are reported and discussed. The data are compared with the results of other experiments on nucleus–nucleus and hadron–nucleus collisions. It is found that the particle production mechanism in nucleus–nucleus collisions is almost the same as in hadron–nucleus collisions. It is also observed that the shower particles' multiplicity distributions obey a KNO type scaling law, which supports the aforementioned result.

9 data tables

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Rescattering probed by the emission of slow target associated particles in high-energy heavy ion interactions

The EMU01 collaboration Adamovich, M.I ; Aggarwal, M.M ; Alexandrov, Y.A ; et al.
Phys.Lett.B 363 (1995) 230-236, 1995.
Inspire Record 406952 DOI 10.17182/hepdata.28438

In this letter the distribution of slow target associated particles emitted in Au + Emulsion interactions at 11.6 A GeV/ c is studied. The three models RQMD, FRITIOF and VENUS are used for comparisons and especially their treatment of rescattering is investigated.

6 data tables

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PROJECTILE ASSOCIATED HE-FRAGMENTS.

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An Analysis of multiplicity dependence on pseudorapidity intervals at high-energy collisions

Jain, P.L. ; Mukhopadhyay, A. ; Singh, G. ;
Phys.Lett.B 294 (1992) 27-32, 1992.
Inspire Record 337514 DOI 10.17182/hepdata.29008

Pseudorapidity-interval dependence of multiplicity distributions of shower particles produced in high energy interactions of protons at 800 GeV, 4 He at ≈ 11 A GeV, and 28 Si at 14.5 A GeV in nuclear emulsions have been investigated. The multiplicity distributions and correlated moments are parametrised successfully in terms of a negative binomial distribution (NBD). The heavy-ion data for NBD agree well with the predictions of the multistring Monte Carlo code VENUS.

4 data tables

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