Baryon and anti-baryon production in lead-lead collisions at 158 A-GeV/c - INSPIRE

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Baryon and anti-baryon production in lead-lead collisions at 158 A-GeV/c

NA52 (NEWMASS)

Collaboration

•

G Ambrosini
(
- U. Bern, AEC
)

Oct, 1997

15 pages

Published in:

Phys.Lett.B 417 (1998) 202-210

DOI:

10.1016/S0370-2693(97)01383-X

Report number:

BUHE-97-05

Experiments:

CERN-NA-052

View in:

reference search41 citations

Citations per year

Abstract: (Elsevier)

We report on baryon and antibaryon as well as K + and K − production cross sections measured in lead-lead collisions at 158 GeV /c per nucleon. The presented data were taken at zero degree production angle with a minimum bias trigger. The measurements covered a wide range of rapidity 1.4< y <6.0. Using a simple thermodynamical and a coalescence model the temperature and the chemical potential of the particle source as well as the freeze-out radius of baryons and antibaryons have been deduced.

25.75.+r
scattering: heavy ion
lead
baryon: hadroproduction
antibaryon: hadroproduction
K: hadroproduction
production: small-angle
cross section: ratio
differential cross section: rapidity dependence
model: thermodynamical

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