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

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

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995spie.2518..483o&link_type=abstract

Proc. SPIE Vol. 2518, p. 483-488, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VI, Oswald H. Siegmund; John V. Valler

Astronomy and Astrophysics

Astronomy

Scientific paper

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.

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