Dielectron Production in C_s16C Collisions at 1 GeV/u and the Solution to the DLS Puzzle
Pachmayer, Y. C. and others
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Abstract
The production of e_s16e- pairs in C_s16C collisions at 1 GeV/u was investigated with the HADES experiment at GSI, Darmstadt. In the invariant-mass region $ 0.15: GeV/c^{2} leq M_{ee} leq 0.5: GeV/c^{2}$ the measured pair yield shows a strong excess above the contribution expected from hadron decays after freeze-out. The data are in good agreement with the results of the former DLS experiment for the same system and energy.
