A GEM-TPC prototype with low-noise highly integrated front-end electronics for linear collider studies

Author

Kappler, Steffen ; Bieser, Fred ; Kaminski, Jochen ; Ledermann, Bernhard ; Müller, Thomas ; Ronan, Michael ; Ropelewski, Leszek ; Sauli, Fabio ; Settles, Ron

Author_Institution

EP Div., Karlsruhe Univ., Switzerland

Volume

51

Issue

3

fYear

2004

fDate

6/1/2004 12:00:00 AM

Firstpage

1039

Lastpage

1043

Abstract

Connected to the linear collider project, studies on the readout of time projection chambers (TPCs) based on the gas electron multiplier (GEM) are ongoing. Higher granularity and intrinsically suppressed ion feedback are the major advantages of this technology. After a short discussion of these issues, we present the design of a small and very flexible TPC prototype, whose cylindrical drift volume can be equipped with endcaps of different gas detector types. An endcap with multi-GEM readout is currently set up and successfully operated with a low-noise highly integrated front-end electronics. We discuss results of measurements with this system in high intensity particle beams at CERN, where 99.3 ± 0.2 % single-pad-row efficiency could be achieved at an effective gain of 2.5 × 10³ only, and spatial resolutions down to 63 ± 3 μm could be demonstrated. Finally, these results are extrapolated to the high magnetic field in a linear collider TPC.

Keywords

beam handling techniques; electron multiplier detectors; linear colliders; particle beams; position sensitive particle detectors; readout electronics; semiconductor counters; time projection chambers; CERN; GEM-TPC prototype; cylindrical drift volume; effective gain; gas detector types; gas electron multiplier; high intensity particle beams; high magnetic field; intrinsically suppressed ion feedback; linear collider studies; low-noise highly integrated front-end electronics; multiGEM readout; single-pad-row efficiency; spatial resolutions; time projection chambers; Electron multipliers; Feedback; Gain measurement; Gas detectors; Magnetic fields; Particle beam measurements; Particle beams; Particle measurements; Prototypes; Spatial resolution; GEM; Gas electron multiplier; TPC; time projection chambers;

fLanguage

English

Journal_Title

Nuclear Science, IEEE Transactions on

Publisher

ieee

ISSN

0018-9499

Type

jour

DOI

10.1109/TNS.2004.829390

Filename

1312013