Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992dhrl.nasas....a&link_type=abstract
In its Development of a High Resolution Liquid Xenon Imaging Telescope for Medium Energy Gamma Ray Astrophysics 13 p (SEE N93-15
Astronomy and Astrophysics
Astronomy
Gamma Rays, Ionization Chambers, Liquefied Gases, Radiation Sources, Time, Xenon, Gamma Ray Astronomy, Imaging Techniques, Millimeter Waves, Readout, Signal To Noise Ratios, Spectroscopy
Scientific paper
The feasibility of a large volume Liquid Xenon Time Projection Chamber (LXe-TPC) for three dimensional imaging and spectroscopy of cosmic gamma ray sources, was tested with a 3.5 liter prototype. The observation of induction signals produced by MeV gamma rays in liquid xenon is reported, with a good signal-to-noise ratio. The results represent the first experimental demonstration with a liquid xenon ionization chamber of a nondestructive readout of the electron image produced by point-like charges, using a sense wire configuration of the type originally proposed in 1970 by Gatti et al. An energy resolution as good as that previously measured by the millimeter size chambers, was achieved with the large prototype of 4.4 cm drift gap.
Aprile Elena
Bolotnikov A.
Chen Daguang
Mukherjee Rajesh
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