Charged lepton spectra from hot-spot evaporation

Details Charged lepton spectra from hot-spot evaporation Charged lepton spectra from hot-spot evaporation

2009-08-11

arxiv.org/abs/0908.1502v1

ISRN High Energy Physics, vol. 2012, Article ID 509793 (2012)

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 2 figures

Scientific paper

Spectra for the emission of charged leptons from evaporating hot-spots of preconfining phase in SU(2) Yang-Mills thermodynamics are computed. Specifically, we consider charged single and dileptons with their spectra being functions of energy and invariant mass, respectively. In the former case, our results relate to narrow and correlated electron and positron peaks measured in supercritical heavy-ion collisions performed at GSI in the 1980ies. In the latter case, we point out how strongly the spectra depend on typical kinematic cuts (CDF analysis of Tevatron Run II data). We also propose a scenario on how muon events of anomalously high multiplicity and large impact-parameter modulus arise in the Tevatron data.

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