Characterization of a Hamamatsu R7600 multi-anode photomultiplier tube with single photon signals

Author

Arnaboldi, C. ; Calvi, M. ; Fanchini, E. ; Giachero, A. ; Gotti, C. ; Maino, M. ; Matteuzzi, C. ; Perego, D.L. ; Pessina, G.

Author_Institution

Dept. of Phys., Univ. of Milano Bicocca, Milan, Italy

fYear

2010

fDate

Oct. 30 2010-Nov. 6 2010

Firstpage

1124

Lastpage

1129

Abstract

We present measurements aimed to characterize the Hamamatsu R7600 multi anode Photon Multiplier Tube (PMT), in view of its application for a new generation of Ring Imaging Cherenkov (RICH) detectors at LHCb. Single photon signals were used as tools for characterization. A commercial blue LED slightly forward biased was the main source of photon light. Spectra obtained with this source coincided with those obtained with the Cherenkov light from a PbF₂ crystal and a ²²Na gamma source. Dark current and cross-talk performances were measured. PMT response was studied for single photon signals as a function of the dynodes bias level ratio and magnetic field. Results obtained so far showed that the R7600 PMTs are adequate for the LHCb RICH detectors at high luminosity.

Keywords

Cherenkov counters; gamma-ray detection; photomultipliers; position sensitive particle detectors; ²²Na gamma source; Hamamatsu R7600; PbF₂ crystal; RICH detector; Ring Imaging Cherenkov detectors; dark current; dynodes; multianode photomultiplier tube; photon light; single photon signals; Current measurement; Electron tubes; Light emitting diodes; Magnetic noise; Magnetic shielding; Photonics; Pixel;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium Conference Record (NSS/MIC), 2010 IEEE

Conference_Location

Knoxville, TN

ISSN

1095-7863

Print_ISBN

978-1-4244-9106-3

Type

conf

DOI

10.1109/NSSMIC.2010.5873942

Filename

5873942