Brock, I
P P --> CHARGED X
[10.0, 20.0]
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Production of Phi mesons in p + p, p + Pb and central Pb + Pb collisions at E(beam) = 158-A-GeV

The NA49 collaboration Afanasiev, S.V. ; Anticic, T. ; Bächler, J. ; et al.
Phys.Lett.B 491 (2000) 59-66, 2000.
Inspire Record 537897 DOI 10.17182/hepdata.27038

Yields and phase space distributions of φ -mesons emitted from p+p (minimum bias trigger), p+Pb (at various centralities) and central Pb+Pb collisions are reported ( E beam =158 A GeV). The decay φ →K + K − was used for identification. The φ / π ratio is found to increase by a factor of 3.0±0.7 from inelastic p+p to central Pb+Pb. Significant enhancement in this ratio is also observed in subclasses of p+p events (characterized by high charged-particle multiplicity) as well as in the forward hemisphere of central p+Pb collisions. In Pb+Pb no shift or significant broadening of the φ -peak is seen.

7 data tables
Table 1

Transverse mass distribution for PHI mesons produced in PB PB collisions averaged over the rapidity region 3.0 to 3.8.

Table 2

Transverse mass distribution for PHI mesons produced in P P collisions averaged over the rapidity region 2.9 to 4.5.

Table 3

Rapidity distributions for PHI mesons produced in PB PB collisions.

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Annihilation and Topological Cross-sections for $P P$ and $\bar{P} P$ Interactions at 200-{GeV}/c

The NA5 collaboration Allday, J. ; Fry, J.R. ; Mason, P. ; et al.
Z.Phys.C 40 (1988) 29-39, 1988.
Inspire Record 268872 DOI 10.17182/hepdata.15563

The results of an analysis of streamer chamber data from the NA5 experiment are presented. Topological cross sections forpp and\(\bar p\)p interactions and strange neutral particle production at 200 GeV/c have been measured and (\(\bar p\)p−pp) difference cross sections have been determined. Multiplicity moments were calculated.

1 data table
Table 1

No description provided.


Multiparticle Production on Hydrogen, Argon and Xenon Targets in a Streamer Chamber by 200-GeV/c Proton and anti-Proton Beams

The Bari-Cracow-Liverpool-Munich-Nijmegen collaboration De Marzo, C. ; De Palma, M. ; Distante, A. ; et al.
Phys.Rev.D 26 (1982) 1019, 1982.
Inspire Record 177100 DOI 10.17182/hepdata.4113

Interactions of 200-GeV/c protons and antiprotons on hydrogen, argon, and xenon targets were studied with a streamer-chamber vertex spectrometer at the CERN SPS. Results on multiplicities, rapidity distributions, and correlations are presented and compared with predictions of current models.

10 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

'PRODUCED PARTICLES' (SEE CONDITIONS).

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