Radiation stability of liquid xenon gamma-telescope in conditions of orbit and balloon flight

Ilya M. Obodovski; Mikhail A. Kirsanov; Sergey G. Pokachalov

doi:10.1117/12.218397

1 September 1995 Radiation stability of liquid xenon gamma-telescope in conditions of orbit and balloon flight

Ilya M. Obodovski, Mikhail A. Kirsanov, Sergey G. Pokachalov

Proceedings Volume 2518, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VI; (1995) https://doi.org/10.1117/12.218397
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

It was discovered in accelerator experiments that after intense pulse irradiation the energy resolution of LXe gamma-spectrometer is temporally worsened and then is restored. Both the threshold of distortion and time of recovery depend on detector sizes and strength of electric field. The reason for such phenomenon is accumulation of positive ions. Analysis of sources of pulse irradiation in cosmic experiments shows that doses in these pulses can be more then threshold but because of too low a frequency of the pulsed events the worsening of energy resolution is not important for measurements during long intervals of time. However, in the spectra measurement of pulsed events considerations of this paper can be essential.

Citation Download Citation

Ilya M. Obodovski, Mikhail A. Kirsanov, and Sergey G. Pokachalov "Radiation stability of liquid xenon gamma-telescope in conditions of orbit and balloon flight", Proc. SPIE 2518, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VI, (1 September 1995); https://doi.org/10.1117/12.218397

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