R3B Heavy Ion Tracking - GSI Webserver WWW-WIN

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TOF measurement small detector large detector C = 10pF 50Ω impedance on both sides R3B - meeting Oct 2007@ GSI C = 70pF APV impedance matching?
Detector Production Signal Properties Task List • only 50% good detectors (material quality?) • Some samples show persistent photo current (PPC) after irradiation • photo lithography (works perfect on 1’’ detectors), large area and d = 50 µm samples still under investigation . • bonding on growth side still not reliable • coupling between channels (locate) • time resolution worse than expected (detailed investigations) • walk correction should be possible with APV readout • new bridge board with faster data transfer and more BG suppression (barycenter calculation on board....). R3B - meeting Oct 2007@ GSI
Page 1 and 2: R3B Heavy Ion Tracking Roman Gernh
Page 3 and 4: APV APV APV APV R3B Detector Concep
Page 5 and 6: 4 prototypes produced 2 operational
Page 7 and 8: • Existing hardware • Existing
Page 9 and 10: APV range Raw Data typical multipli
Page 11: pos det2 [190 µm] Position Resolut

R3B Heavy Ion Tracking - GSI Webserver WWW-WIN

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