CNAO: Stato della costruzione - INFN Sezione di Roma

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The synchrotron The heart of CNAO Linac HE lines Treatment rooms 27th May 2005 22
Table 1 – Clinical performance specifications for the CNA. 1 Beam particle species p, He 2+ , Li 3+ , Be 4+ , B 5+ , C 6+ , O 8+ 2 Beam particle switching time ≤ 10 min 3 Beam range 1.0 g/cm 2 to 27 g/cm 2 in one treatment room 3.1 g/cm 2 to 27 g/cm 2 in two treatment rooms Up to 20 g/cm 2 for O 8+ ions 4 Bragg peak modulation steps 0.1 g/cm 2 5 Range adjustment 0.1 g/cm 2 6 Adjustment/modulation accuracy ≤± 0.025 g/cm 2 7 Average dose rate 2 Gy/min (for treatment volumes of 1000 cm 3 ) 8 Delivery dose precision ≤± 2.5% 9 Beam axis height (above floor) 150 cm (head and neck beam line) 120 cm (elsewhere) 10 Beam size 1 4 to 10 mm FWHM for each direction independently 11 Beam size step 1 1 mm 12 Beam size accuracy 1 ≤± 0.25 mm 13 Beam position step 1 0.8 mm 14 Beam position accuracy 1 ≤± 0.2 mm 15 Field size 1 5 mm to 34 mm (diameter for ocular treatments) 2×2 cm 2 to 20×20 cm 2 (for H and V fixed beams) 16 Field position accuracy 1 ≤± 0.5 mm 17 Field dimensions step 1 1 mm 18 Field size accuracy 1 ≤± 0.5 mm 19 Field homogeneity 2 (orthogonal) R t ≤ 105% 20 Field homogeneity 3 (longitudinal) R l ≤ 111% 21 Field symmetry 2 ≤ 105% 22 Lateral penumbra 2 < 2 mm for each side (80%-20%) (at the phantom entrance surface) 23 Distal dose fall-off 3 (80%-20%) < 2 mm (in addition to intrinsic distal fall-off) 24 Source to surface distance (SSD) > 3 m 25 Coincidence of H and V beam axis ≤± 0.2 mm 1 At isocentre or, for fixed beam, at normal treatment distance. At patient surface. 27th May 2005 3 Measured in water phantom. Starting point... THE PATIENT Deep hadrontherapy Optimised dose distribution Beam quality (active scanning) 23
Page 1 and 2: IL CENTRO NAZIONALE DI ADROTERAPIA
Page 3 and 4: A brief history of CNAO: Advisory C
Page 5 and 6: CNAO ORGANISATION COUNCIL PRESIDENT
Page 7 and 8: The base of success: COLLABORATIONS
Page 9 and 10: Obiettivi di INFN-LNF • Magneti C
Page 11 and 12: Time and Industrial Plan High Tech:
Page 13 and 14: Area of 37’000 mq Policlinico S.
Page 15 and 16: 27th May 2005 15
Page 17 and 18: CNAO - Phase 2 + 2 gantries for ion
Page 19 and 20: Site ground investigation 27th May
Page 21: Elenco ditte che lavorano per il CN
Page 25 and 26: Synchrotron Dipole Contract signed
Page 27 and 28: Synchrotron Dipole In collaboration
Page 29 and 30: Synchrotron Quadrupole and Sextupol
Page 31 and 32: In collaboration with: Synchrotron
Page 33 and 34: In collaboration with: Synchrotron
Page 35 and 36: HEBT and MEBT Magnets • Under Con
Page 37 and 38: In collaboration with: Vacuum Syste
Page 39 and 40: Synchrotron Dipole Power Supply Dip
Page 41 and 42: HEBT and MEBT Power Supplies Europe
Page 43 and 44: In collaboration with: Special Magn
Page 45 and 46: Prototype of a pixel chamber Beam M
Page 47 and 48: Beam diagnostics Started realisatio
Page 49 and 50: Controls Domain Level 1 Supervisory
Page 51: Attività AMBULATORIALE Funzionamen

CNAO: Stato della costruzione - INFN Sezione di Roma

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