Spontaneous e+e- pair creation in heavy ion collisions

Details Spontaneous e+e- pair creation in heavy ion collisions Spontaneous e+e- pair creation in heavy ion collisions

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phlb..194..141c&link_type=abstract

Physics Letters B, Volume 194, Issue 1, p. 141-146.

Physics

3

Scientific paper

We demonstrate that vibrational perturbations of supercritical ``quasimolecules'' which may occur in collisions of heavy ions can, within the context of first-order perturbation,theory, result in the production of coincident narrow e+e- peaks, in place of and with a larger yield than that predicted for spontaneous positron emission from static supercritical systems. Certain features of this phenomenon coincide with those of the e+e- peaks observed by the EPOS collaboration although some important aspects of the observations cannot be reproduced within our approximation. A detailed attempt to reconcile this theoretical model with the EPOS experiment must go beyond perturbation theory.
Research supported by DOE Contract #DE-AC02-76ERO 3075 and by a Presidential Young Investigator Award.

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