Multi-pixel hybrid photodiode tubes for the CMS hadron calorimeter

P. Cushman, A. Heering, J. Nelson, C. Timmermans, S. R. Dugad, S. Katta, S. Tonwar

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


Avalanche Photodiodes and 7-channel HPDs from DEP were installed on a prototype CMS HCAL and their response to muons, electrons and pions was measured in a test beam. DC response to a radioactive source used to calibrate the tiles was also studied. Increase in leakage current in the HPD from an integrated dose of 1013 neutrons/cm2 was observed using a Cf source.

Original languageEnglish (US)
Pages (from-to)107-112
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1-2
StatePublished - Mar 1 1997


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