UCSD high-energy x-ray timing experiment magnetic shield design and test results

Richard E. Rothschild; Michael R. Pelling; Paul L. Hink

doi:10.1117/12.48333

1 October 1991 UCSD high-energy x-ray timing experiment magnetic shield design and test results

Richard E. Rothschild, Michael R. Pelling, Paul L. Hink

Proceedings Volume 1549, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy II; (1991) https://doi.org/10.1117/12.48333
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Results are reported from an effort to define a passive magnetic field concept for the High Energy X-ray Timing Experiment (HEXTE), in the interest of reducing the detector-gain variations due to 0.5-1.0-sec timescale magnetic field variations. This will allow a sensitivity of the order of 1 percent of the HEXTE background. While aperture modulation and automatic gain control will minimize effects on timescales of tens of seconds and longer, passive magnetic shielding of the photomultiplier tubes will address 1-sec timescale variations due to aperture motions.

Citation Download Citation

Richard E. Rothschild, Michael R. Pelling, and Paul L. Hink "UCSD high-energy x-ray timing experiment magnetic shield design and test results", Proc. SPIE 1549, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy II, (1 October 1991); https://doi.org/10.1117/12.48333

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