Single Electron Detection in Quadruple-GEM Detector with Pad Readout
- SLAC
Using a system of four GEMs operating in tandem and coupled to pad readout, we have demonstrated the detection of single electrons in ethane at 1 bar. The paper presents measurements of single electron pulse height distributions, total gas gain measurement and calculation, pad-to-pad cross-talk, quenching capability, high rate capability, charging effects, etc. We describe the overall operational experience, including addition of a gaseous photocathode, TMAE, and compare it to the SLD CRID single-electron detector [1], which has been operational during the past decade.
- Research Organization:
- Stanford Linear Accelerator Center, Menlo Park, CA (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC03-76SF00515
- OSTI ID:
- 784889
- Report Number(s):
- SLAC-PUB-8785
- Country of Publication:
- United States
- Language:
- English
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