Fluorescence emission from CsI(Tl) crystal induced by high-energy carbon ions

The fluorescence emission from a CsI(Tl) scintillator crystal induced by high-energy carbon ions with the energy range from 148 AMeV to 207 AMeV has for the first time been investigated at Heavy Ion Research Facility at Lanzhou (HIRFL). In this work, the light output of ultraviolet (around 377 nm) and visible (around 498 nm and 573 nm) bands have been measured. The variations between the fluorescence intensity of each emission component and incident energy are described by linear fitting. The results show that short-wavelength light (ultraviolet band) is conducive to calibrate the CsI(Tl) scintillator detector. Simultaneously, relevant parameters of the different emission components are also introduced.

► The fluorescence emission from a CsI(Tl) scintillator crystal was investigated. ► Ultraviolet and visible bands have been observed at the same time. ► The relationship between the incident energy and light output was established. ► Ultraviolet-band emission is conducive to calibrate the CsI(Tl) detector.