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Gretina GEANT simulations. Chris Campbell. GretinaSim. Using AGATA coded GEANT 4 simulation INFN (contact: enrico.farnea@pd.infn.it ) http://agata.pd.infn.it/agata_simul.htm Geometry files setup for Gretina Convenient startup (minimal configuration) Geant4 for VMware & VirtualBox
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Gretina GEANT simulations Chris Campbell
GretinaSim • Using AGATA coded GEANT 4 simulation • INFN (contact: enrico.farnea@pd.infn.it) • http://agata.pd.infn.it/agata_simul.htm • Geometry files setup for Gretina • Convenient startup (minimal configuration) • Geant4 for VMware & VirtualBox • http://geant4.in2p3.fr/spip.php?rubrique8&lang=en • GretinaSim available upon request
Additions from Lew Riley Ursinus College • Summer students: Ben Roberts, Bryan Sadler • Added scattering materials • Gretina mounting hemispheres • Cryostat / dewar block behind crystal • Also checked efficiency effects of • Module walls • Dead layers • Choice of EM interaction in GEANT
UCGRETINA • Gretina geometry was incorporated into a SeGA/Caesar @S800 GEANT simulation • Source distributions appropriate to fast beam experiments • Liquid Hydrogen target added. • Code available on request.
Path forward • Berkeley Lab, as mother institution, serves as repository for the base GretinaSim. This will include geometry additions from the community. • Other tasks: • Understanding of efficiency • Geometry, dead layer, scattering materials • Necessary for accurate projections of Gretina performance (P/T & Effic.) in different configurations. • Also, crucial for credible GRETA projections. • Simulations needed for Decomp (and Tracking) • Basis generation and verification • Number/spacing of interaction positions • Others?