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On the production of fast and slow particles in nucleus-nucleus collisions at ultrarelativistic energies

Jain, P.L. ; Sengupta, K. ; Singh, G. ;
Phys.Rev.C 44 (1991) 844-853, 1991.
Inspire Record 315632 DOI 10.17182/hepdata.26111

Multiplicity and angular distributions of shower, grey, and black particles produced in the interactions of S32 at 200A GeV, O16 at 200 and 60A GeV, and He4 at ∼140A GeV in emulsion are compared with the predictions of a Monte Carlo code which takes into account the internuclear cascading. The correlations between the various parameters belonging to the same or to the different kinds of particles are discussed. The data on shower and grey particles from all the beams are well described by the code. However, the black prong data show a significant departure from this model.

6 data tables
Table 1

No description provided.

Table 2

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Table 3

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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
Table 1

No description provided.

Table 2

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Table 3

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CENTRAL INTERACTIONS OF Ne-22 NUCLEI WITH HEAVY PHOTOEMULSION NUCLEI AT P(0) = 4.1/A-GeV/c

The Alma Ata-Bucharest-Gatchina:Dubna-Dushanbe-Yerevan-Zernograd- Kosice-Cracow-Leningrad-Moscow-Tashkent-Tbilisi-Ulan Bator collaboration Andreeva, N.P. ; Anzon, Z.V. ; Ameeva, B.U. ; et al.
JINR-P1-89-213, 1989.
Inspire Record 281512 DOI 10.17182/hepdata.38837

None

5 data tables
Table 1

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

Table 2

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

Table 3

NUCLEUS IS NUCLEAR PHOTOEMULSION.

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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
Table 1

No description provided.

Table 2

PROJECTILE ASSOCIATED HE-FRAGMENTS.

Table 3

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Backward slow protons production in the inelastic interactions of Li-6 and Li-7 nuclei with emulsion nuclei at Dubna energy.

El-Nadi, M. ; Abdelsalam, A. ; Ali-Mossa, N. ; et al.
Eur.Phys.J.A 3 (1998) 183-195, 1998.
Inspire Record 480319 DOI 10.17182/hepdata.43531

We report the experimental measurements on the multiplicity of slow target associated particles, in the forward (θlab≤ 90°) and backward (θlab > 90°) hemispheres, and the different correlations betwee

4 data tables
Table 1

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Table 2

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Evidence for a nuclear phase transition in target nuclei after relativistic nuclear interactions

The KLM collaboration Dabrowska, A. ; Holynski, R. ; Olszewski, A. ; et al.
Z.Phys.C 59 (1993) 399-404, 1993.
Inspire Record 355033 DOI 10.17182/hepdata.40646

The degree of excitation of the emulsion target nuclei due to nuclear interactions of oxygen and sulfur projectiles at 200 GeV/nucleon incident energy has been investigated. Using the plausible assumption that the numberNb of slow particles emitted from the struck target nucleus can be interpreted as a measure of the temperatureT of the residual nucleus, we have found that there exists a critical temperatureTc of the excited target nucleus. For Ag and Br target nuclei this temperature corresponds to <Nb>≌12 and it is attained when the impact parameters are less than about 4 fm.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


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
Table 1

No description provided.

Table 2

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Table 3

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Particle production in interactions of 200-GeV/nucleon oxygen and sulfur nuclei in nuclear emulsion

The KLM collaboration Dabrowska, A. ; Holynski, R. ; Jurak, A. ; et al.
Phys.Rev.D 47 (1993) 1751-1761, 1993.
Inspire Record 338512 DOI 10.17182/hepdata.40446

Oxygen and sulfur nuclei with energies of 200 GeV/nucleon have been allowed to interact in nuclear emulsions exposed at CERN. These emulsions have been scanned with a minimum bias so that essentially all the interactions occurring were detected. Nearly 1000 interactions of each projectile have been analyzed. We present results on the multiplicity distributions, the pseudorapidity distributions, and the fragmentation of the projectile and target nuclei. It is shown that the mean number of intranuclear collisions in each interaction, calculated from a superposition model, provides a useful parameter for organizing the data. We conclude that there are no significant deviations even at these energies from models, such as the venus model, describing the interactions as being the superposition of individual nucleon-nucleon collisions.

3 data tables
Table 1

No description provided.

Table 2

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Table 3

No description provided.


Multiplicities of secondaries in interactions of 1.8-GeV/nucleon Fe-56 nuclei with photoemulsion and the cascade evaporation model

Dudkin, V.E. ; Kovalev, E.E. ; Nefedov, N.A. ; et al.
Nucl.Phys.A 509 (1990) 783-799, 1990.
Inspire Record 302290 DOI 10.17182/hepdata.36888

A nuclear photographic emulsion method was used to study the charge-state, ionization, and angular characteristics of secondaries produced in inelastic interactions of 56 Fe nuclei at 1.8 GeV/nucleon with H, CNO, and AgBr nuclei. The data obtained are compared with the results of calculations made in terms of the Dubna version of the cascade evaporation model (DCM). The DCM has been shown to satisfactorily describe most of the interaction characteristics for two nuclei in the studied reactions. At the same time, quantitative differences are observed in some cases.

16 data tables
Table 1

No description provided.

Table 2

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Table 3

NUCLECS IS CNO.

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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
Table 1

No description provided.

Table 2

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Table 3

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