Bochum 2009 – scientific programme
Parts | Days | Selection | Search | Downloads | Help
HK: Fachverband Hadronen und Kerne
HK 67: Poster Session
HK 67.88: Poster
Thursday, March 19, 2009, 14:00–16:00, Audi-Max
GEANT4 Simulations for the R3B Calorimeter Prototypes — •Douglas DiJulio, Joakim Cederkall, Pavel Golubev, and Bo Jakobsson — Physics Department, Lund University, Sweden
One of the main detectors of the R3B experiment at FAIR will be a total gamma ray absorption calorimeter. The detector will consist of about 5000 crystals which surround the target position. One demonstrator of the detector, which consists of a cluster of 5x3 CsI(Tl) crystals, has been constructed at Lund University. Proton and γ-ray in beam tests of this demonstrator are planned for 2009. In order to prepare for these tests, GEANT4 simulations have been carried out to understand the response of the crystals. The total energy deposited, the crystal multiplicities, and energy deposition distributions in the array have been calculated. The light collection in a single CsI(Tl) crystal has also been investigated experimentally with low energy γ-rays from radioactive sources and will be compared with GEANT4 simulations.