Subthreshold production of energetic pi- in relativistic Ne + NaF and Ni + Ni collisions

Gillitzer, A. ; Gilg, H. ; Handlos, M. ; et al.
Z.Phys.A 354 (1996) 3-4, 1996.
Inspire Record 429643 DOI 10.17182/hepdata.16504

The production of energetic π− at 0° has been measured in Ne+NaF and Ni+Ni collisions with incident energies between 1.3 and 2AGeV. In Ne+NaF collisions the investigation was extended to extreme subthreshold processes with lab momenta up to 4.5 GeV/c. In both systems at all incident energies the π− production cross sections deviate in a systematic way from thermal distributions.

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