Studies of hybrid photomultiplier tubes in magnetic fields up to 5 Tesla

P. Cushman, A. Heering, A. Ronzhin

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


Single and multi-channel hybrid photodiode tubes were operated inside a very high magnetic field of up to 5 Tesla. The effects of focussing and image displacement on crosstalk and gain were examined as a function of angle in the B-field. Brightening of the response in the illuminated pixel, due to improved focussing of the backscatter was observed. Increased path length through the threshold layer of the photodiode decreased the response at large angles.

Original languageEnglish (US)
Pages (from-to)300-305
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number2-3
StatePublished - Dec 1 1998

Bibliographical note

Funding Information:
Special thanks to Professor Bruce Hammer for assisting us with the MRI magnet in conjunction with the Center for Interdisciplinary Applications in Magnetic Resonance at the University of Minnesota. This work supported in part by the Department of Energy under contract DOE-ER-40823.


  • Calorimetry
  • HPD
  • Magnetic fields
  • Phototube


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