Performance of a drift chamber detector for gamma-ray astronomy

Details Performance of a drift chamber detector for gamma-ray astronomy Performance of a drift chamber detector for gamma-ray astronomy

Feb 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979itns...26..497m&link_type=abstract

(IEEE, DOE, NASA, and NBS, Nuclear Science Symposium, 25th, Washington, D.C., Oct. 18-20, 1978.) IEEE Transactions on Nuclear Sc

Astronomy and Astrophysics

Astronomy

Gamma Ray Astronomy, Radiation Detectors, Drift (Instrumentation)

Scientific paper

A 52 x 52 sq cm stack of drift chambers has been constructed in which the conventional field shaping wires are replaced by copper strips etched on copper-clad glass-epoxy. The performance as a detector for gamma-ray astronomy has been assessed using electron and gamma-ray beams at DESY, Hamburg. Particular emphasis is placed on the ability of the drift chambers to detect the two, simultaneous adjacent electron tracks produced by the gamma-ray. It is shown that an improvement of a factor of 4 in angular resolution can be achieved using the drift chamber technique, compared with the recent SAS-II and COS-B spark chamber gamma-ray telescopes.

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