Abstract

Hot luminescence of self-trapped excitons in solid xenon has been investigated in a wide temperature range (from LHeT to 100 K), using X-ray and two-photon excimer laser (ArF and KrF) excitation. Hot luminescence of bulk Xe crystals of volume 2 cm 3 appears to be very sensitive to both the temperature and the quality of the samples, while its highest intensity has been registered under KrF laser excitation. The experimental results are in good accordance with a recent nonperturbative quantum relaxation theory of strong local vibrational excitations.

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