Heidelberg 2015 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 10: Precision Tests of the Standard Model 1
HK 10.5: Vortrag
Montag, 23. März 2015, 18:30–18:45, K/HS1
CsI-Silicon heavy-ion telescope for storage rings — •Mohammad Ali Najafi1,4, Iris Dillmann2,3,4, Fritz Bosch2, Michael Böhmer1, Thomas Faestermann1, Bingshui Gao2, Roman Gernhäuser1, Christophor Kozhuharov2, Sergey A Litvinov2, Yuri A Litvinov2, Ludwig Maier1, Fritz Nolden2, Ulrich Popp2, Mohammad Shahab Sanjari2, Uwe Spillmann2, Markus Steck2, Thomas Stöhlker2, and Helmut Weick2 — 1TU München — 2GSI Darmstadt — 3TRIUMF Vancouver — 4JLU Giessen
A multi-purpose particle detector was developed for heavy-ion experiments at the ESR in GSI Darmstadt, and also as a prototype for future ILIMA and EXL experiments at FAIR. The detector was designed and developed at the TU München, and was used successfully for the measurement of the decay rate of 142Pm ions in October 2014. The detector has an active area of 60×40 mm2 and includes a stack of six silicon pad detectors, a DSSD, and a CsI scintillator (24×24×10 mm3) that stops the beam after a passive degrader. The excellent resolution of the detector allows an unambiguous identification of the incident particles. The relative resolution (FWHM) of the detector is 1% for the energy deposit (Δ E), and 0.9% for the residue energy (Ecsi), and 0.8% for the total summed energy. We report on the design, development, and the preliminary results from the experiment.
This project was funded by the Helmholtz Association via the Young Investigators Grant VHNG 627 and the Germany BMBF via the project 05P12RGFNJ-06GI7118.