Study and development of Multi Pixel Photon Counter for the GLD calorimeter readout

Research output: Contribution to journalArticle

Abstract

The Multi Pixel Photon Counter (MPPC) is a novel photon sensor manufactured by Hamamatsu Photonics. It has many advantages compared to other photon sensors (compact size, low cost, high gain and detection efficiency, insensitivity to magnetic fields). In the GLD calorimeter group, study of the MPPC properties is extensively ongoing aiming to utilize it as the photon sensor of a finely segmented calorimeter. As a result of the study, we have confirmed that the current 1600 pixel MPPC has almost satisfactory gain, photon detection efficiency and noise rate for our requirements. We have also found that the dynamic range of the 1600 pixel MPPC can be enhanced thanks to its short recovery time, which is useful for calorimetric use. As a practical test for use at the GLD calorimeter, we have constructed a prototype of a scintillator-strip calorimeter and exposed it to 1-6 GeV positron beams and validated its performance. As a result of the test, we have observed a satisfactory linearity and energy resolution of the scintillator-strip calorimeter with full MPPC readout.

Original languageEnglish
JournalUnknown Journal
Publication statusPublished - 2007
Externally publishedYes

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calorimeters
readout
counters
pixels
photons
scintillation counters
strip
sensors
high gain
dynamic range
linearity
positrons
recovery
prototypes
photonics
requirements
sensitivity
magnetic fields

ASJC Scopus subject areas

  • General

Cite this

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abstract = "The Multi Pixel Photon Counter (MPPC) is a novel photon sensor manufactured by Hamamatsu Photonics. It has many advantages compared to other photon sensors (compact size, low cost, high gain and detection efficiency, insensitivity to magnetic fields). In the GLD calorimeter group, study of the MPPC properties is extensively ongoing aiming to utilize it as the photon sensor of a finely segmented calorimeter. As a result of the study, we have confirmed that the current 1600 pixel MPPC has almost satisfactory gain, photon detection efficiency and noise rate for our requirements. We have also found that the dynamic range of the 1600 pixel MPPC can be enhanced thanks to its short recovery time, which is useful for calorimetric use. As a practical test for use at the GLD calorimeter, we have constructed a prototype of a scintillator-strip calorimeter and exposed it to 1-6 GeV positron beams and validated its performance. As a result of the test, we have observed a satisfactory linearity and energy resolution of the scintillator-strip calorimeter with full MPPC readout.",
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