Bonn 2010 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 53: Instrumentierung X

HK 53.6: Vortrag

Donnerstag, 18. März 2010, 18:00–18:15, HG IV

MRPC prototypes for NeuLAND tested using the single electron mode of ELBE/Dresden — •Dmitry Yakorev1, Tom Aumann2, Daniel Bemmerer1, Konstanze Boretzky2, Christoph Caesar2, Mircea Ciobanu2, Zoltan Elekes1, Michael Elvers3, Jörg Hehner2, Michael Heil2, Mathias Kempe1, Vassili Maroussov3, Omar Nusair2, René Reifarth2, Haik Simon2, Daniel Stach1, Andreas Wagner1, Andreas Zilges3, and Kai Zuber41Forschungszentrum Dresden-Rossendorf (FZD), Dresden — 2GSI, Darmstadt — 3Universität zu Köln — 4TU Dresden

The NeuLAND detector at the R3B experiment at the future FAIR facility in Darmstadt aims to detect fast neutrons (0.2-1.0 GeV) with high time and spatial resolutions (σt<100 ps, σx,y,z<1 cm). Prototypes for the NeuLAND detector have been built at FZD and GSI and then studied using the 32 MeV pulsed electron beam at the superconducting electron accelerator ELBE in Dresden, Germany. Owing to the new, single-electron per bunch mode of operation, a rapid validation of the design criteria (≥90% efficiency for minimum ionizing particles, σ ≤ 100 ps time resolution) was possible.

Tested properties of the prototypes include glass thickness, spacing of the central anode, and a comparison of single-ended and differential readout. Tested frontend electronics schemes include FOPI (single-ended), PADI-based (both single-ended and differential mode tested), and ALICE (differential). — Supported by BMBF (06DR9058I) and GSI FuE.

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