Separation of electrons and pions by a transition radiation detector using flash ADCs
Abstract
The improvement in the separation of electrons and pions by using flash ADCs in the readout compared to the methods of total charge integration and cluster counting was investigated. A detector using a XeCO 2 filled chamber and polyethylene foil radiators was tested in 3 GeV pion and electron beams. We conclude that in a setup of four such radiators and chambers pions are counted with 0.7% efficiency, when the electron detection efficiency is 90%. By measuring individual cluster charges and positions an improvement in particle separation by a factor of 2 with respect to the method of total charge integration is obtained.
- Publication:
-
Nuclear Instruments and Methods in Physics Research A
- Pub Date:
- January 1988
- DOI:
- 10.1016/0168-9002(88)90966-7
- Bibcode:
- 1988NIMPA.263..319H