Unruh gamma radiation at RHIC?

Details Unruh gamma radiation at RHIC? Unruh gamma radiation at RHIC?

2011-11-21

arxiv.org/abs/1111.4817v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX 5 pages, 2 eps figures, PACS numbers: 24.10.Pa, 25.75.Ag, 25.20.Lj Keywords: Thermal models, Unruh temperature, bremsstr

Scientific paper

Varying the proposition that acceleration itself would simulate a thermal environment, we investigate the semiclassical photon radiation as a possible telemetric thermometer of accelerated charges. Based on the classical Jackson formula we obtain the equivalent photon intensity spectrum stemming from a constantly accelerated charge and demonstrate its resemblances to a thermal distribution for high transverse momenta. The inverse transverse slope differs from the famous Unruh temperature: it is larger by a factor of pi. We compare the resulting direct photon spectrum with experimental data for AuAu collisions at RHIC and speculate about further, analytically solvable acceleration histories.

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