Prototyping the PANDA barrel DIRC
- Schwarz, C.
- Kalicy, G.
- Dzhygadlo, R.
- Gerhardt, A.
- Götzen, K.
- Hohler, R.
- Kumawat, H.
- Lehmann, D.
- Lewandowski, B.
- Patsyuk, M.
- Peters, K.
- Schepers, G.
- Schmitt, L.
- Schwiening, J.
- Traxler, M.
- Zühlsdorf, M.
- Dodokhov, V.Kh.
- Britting, A.
- Eyrich, W.
- Lehmann, A.
- Uhlig, F.
- Düren, M.
- Föhl, K.
- Hayrapetyan, A.
- Kröck, B.
- Merle, O.
- Rieke, J.
- Cowie, E.
- Keri, T.
- Montgomery, R.
- Rosner, G.
- Achenbach, P.
- Cardinali, M.
- Hoek, M.
- Lauth, W.
- Sfienti, C.
- Thiel, M.
- Bühler, P.
- Gruber, L.
- Marton, J.
- Suzuki, K.
DOIAbstract
The design of the Barrel DIRC detector for the future PANDA experiment at FAIR contains several important improvements compared to the successful BABAR DIRC, such as focusing and fast timing. To test those improvements as well as other design options a prototype was build and successfully tested in 2012 with particle beams at CERN. The prototype comprises a radiator bar, focusing lens, mirror, and a prism shaped expansion volume made of synthetic fused silica. An array of micro-channel plate photomultiplier tubes measures the location and arrival time of the Cherenkov photons with sub-nanosecond resolution. The development of a fast reconstruction algorithm allowed to tune construction details of the detector setup with test beam data and M...
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