An investigation of the antinuclei and nuclei production mechanism in Pb + Pb collisions at 158 A GeV

Details An investigation of the antinuclei and nuclei production mechanism in Pb + Pb collisions at 158 A GeV An investigation of the antinuclei and nuclei production mechanism in Pb + Pb collisions at 158 A GeV

Nov 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003njph....5..150a&link_type=abstract

New Journal of Physics, Volume 5, Issue 1, pp. 150 (2003).

Physics

2

Scientific paper

We investigate the production mechanisms of p, d, t, 3He, 4He, 6Li, \overline {p};, \overline {d} and \overline {^3{He}} in Pb+Pb collisions at 158 A GeV measured near zero transverse momentum with the NA52 experiment at the CERN SPS. We find evidence that nuclei and antinuclei in Pb+Pb collisions are mainly produced via the coalescence mechanism out of a thermalized source of hadrons, at a time close to the thermal freeze-out of hadrons corresponding to a temperature of ~120 MeV.

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