Anti-nuclei production in Pb + Pb collisions at 158-A/GeV/c

The NA52 (NEWMASS) collaboration Appelquist, G. ; Baglin, C. ; Beringer, J. ; et al.
Phys.Lett.B 376 (1996) 245-250, 1996.
Inspire Record 40550 DOI 10.17182/hepdata.50119

We investigate antinuclei production in Pb + Pb interactions at 158 GeV/ c per nucleon at zero degree production angle. We quote invariant differential production cross sections for antiprotons and antideuterons. The corresponding antideuteron to antiproton ratio at midrapidity is 4.2 · 10 −4 . One antihelium-3 nucleus was observed. The results are discussed in the framework of a simple coalescence model.

6 data tables

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