Study of position sensitive silicon detector (PSD) for SiW-ECAL at ILC

Y. Uesugi, R. Mori, H. Yamashiro, T. Suehara, T. Yoshioka, K. Kawagoe

研究成果: Contribution to journalArticle査読

抄録

For the past few years we have been developing position sensitive silicon detectors (PSDs) which have an electrode at each of four corners so that incident position of a charged particle can be obtained with signal from the electrodes. It is expected that the position resolution of the silicon-tungsten electromagnetic calorimeter (SiW-ECAL) of the International Large Detector (ILD) will be improved by introducing PSDs to detection layers. In the previous production we found that the charge separation is not optimal due to the readout impedance. To solve the issue, we produced new PSDs with higher surface resistance with an additional resistive layer on the surface. We also implemented several techniques to decrease position distortion and increase signal-to-noise ratio which are essential for optimal position resolution. We present first measurements of the performance of one new PSD using a strontium 90 source, and using the Skiroc2-CMS ASIC.

本文言語英語
論文番号C05033
ジャーナルJournal of Instrumentation
15
5
DOI
出版ステータス出版済み - 5 2020

All Science Journal Classification (ASJC) codes

  • Mathematical Physics
  • Instrumentation

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