70 likes | 238 Views
Proton and neutron radiation facilities in the PS East hall at CERN http://www.cern.ch/irradiation Maurice Glaser , Michael Moll, Federico Ravotti CERN Division PH-TA1-SD. Irradiation, Storage, Expedition…..in 2003. 1992 Hours of proton irradiation (83 Days) (85 ‘04)
E N D
Proton and neutron radiation facilities in the PS East hall at CERN http://www.cern.ch/irradiation Maurice Glaser, Michael Moll, Federico Ravotti CERN Division PH-TA1-SD
Irradiation, Storage, Expedition…..in 2003 • 1992 Hours of proton irradiation (83 Days) (85 ‘04) • 2424 Hours of neutron irradiation (101 Days) (60 ‘04) • 579 Samples irradiated and traced • 377 Dosimetry with Ge spectrometer • 202 Dosimetry with NaI spectrometer • 65 Users from 30 institutes • 55 Expeditions all over the world(T @-5oC) • 30 Dosimetry with Si detector • 5 Different places for storage (Low T < -20ºC) PH-TA1-SD meeting 27-2-2004
Samples irradiated PH-TA1-SD meeting 27-2-2004
Dosimetry and beam profiling Gafchromic dosimetric Films: We characterized different types for dose measurement and beam profiling. MD-55 HD-810 XR - Type HIGH SENSITIVITY MEASUREMENTS 6cm XR Film exposure of the beam after a few bunches of 42 ns. VERY USEFUL FOR SPECIAL IRRADIATIONS PH-TA1-SD meeting 27-2-2004
Dosimetry and beam profiling Cartography/Dosimetry with Optically Stimulated Luminescence (OSL) materials: FAST EXTRACTION TEST 9x5 cm2 beam Neutron reactor Vs Irrad2 5x5 cm2 beam mm mm PH-TA1-SD meeting 27-2-2004
Otheractivities 2003 • Complicated irradiation and dosimetry: CMS ECAL crystals and fast extraction tests for CMS Beam Condition Monitor • Summer Student (K.Visser) - NaI spectrometer software • New storage facilities for radioactive material 2003/2004 • New control hardware for the two shuttle systems • Online database for certificates of outside institutes to handle radioactive material • Development of a radiation monitoring system for CMS and other LHC experiments (several publications submitted) • Laser systems for semiconductor detector testing 2004 • New neutron irradiation zone (PSAIF) • Scenario for taking over the T8 beam line in the PS East Hall (DIRAC experiment) in 2006 PH-TA1-SD meeting 27-2-2004
CERN-PS East Hall 3-5E13 p cm-2 h-1 3E11 n cm-2 h-1 AD CERN PS-AD PSAIF ->130 Gy/h (Si) + 1E12 n cm-2 h-1 PH-TA1-SD meeting 27-2-2004