Abstract
The detector of Internally Reflected Cherenkov light (DIRC) of the BaBar detector (SLAC Stanford, USA) measures better than 1 ns the arrival time of Cherenkov photoelectrons, detected in a 11 000 phototubes array and their amplitude spectra. It mainly comprises of 64-channel DIRC Front-End Boards (DFB) equipped with eight full-custom Analog chips performing zero-cross discrimination with 2 mV threshold and pulse shaping, four full-custom Digital TDC chips for timing measurements with 500 ps binning and a readout logic selecting hits in the trigger window, and DIRC Crate Controller cards (DCC) serializing the data collected from up to 16 DFBs onto a 1.2 Gb/s optical link. Extensive test of the pre-production chips have been performed as well as system tests.
| Original language | English |
|---|---|
| Pages (from-to) | 450-455 |
| Number of pages | 6 |
| Journal | Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
| Volume | 433 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 21 Aug 1999 |
| Event | Proceedings of the 1998 3rd International Workshop on Ring Imaging Cherenkov Detectors (RICH98) - Dead Sea, Israel Duration: 15 Nov 1998 → 20 Nov 1998 |
Keywords
- BaBar detector
- DCC
- DIRC
- High-energy particles
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