Design and performance of the large HERMES drift chambers
- Bernreuther, S.
- Böttcher, H.
- Lachnit, W. A
- Meißner, F.
- Miller, A.
- Neunreither, F.
- Nowak, W.-D
- Pohl, M.
- Roloff, H. O
- Russo, H.
- Schmidt, F.
- Schwind, A. E
- Borissov, A. B
- Brückner, W.
- Ferstl, M.
- Gute, A.
- Harder, U.
- Hasch, D.
- Kirsch, M.
- Krause, B.
Publication date
January 1995
DOI Publisher
North-Holland Publ. Co. ISSN
0168-9002 Citation count (estimate)
7Abstract
Big planar drift chambers built for the downstream tracking system of the HERMES spectrometer are described. Using the fast non-flammable gas mixture Ar/CO2/CF4 (90/5/5) average spatial resolutions of about 180 μm per plane at efficiencies above 96% have been obtained from test run data analysis
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