35YfthMiClt 35 Y ears o f i t ron That70 sShow 70s Ewart Blackmore 1 19702004 500 MeV 100 simultaneous extraction 2 beamscost 84M in 1968 1972TRIUMF110UBC 1972 TRIUMF110 Chief Eng ID: 334356
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35YfthMiClt 35 Y ears o f i t ron (That70 sShow) frommyperspective 70s Ewart Blackmore 1 19702004 500 MeV, 100 simultaneous extraction 2 beamscost $8.4M in 1968 (1972)TRIUMF(110)UBC (1972) TRIUMF(110) Chief Engr Joop BurgerjonMagnet: Al Otter Ed Auld Beam George Mackenzie Mike Craddock Dynamics: Gerardo Dutto RFRogerPoirierKarlErdman RF : Roger Vacuum: Dennis Healey Dave Axen ISIS:PeterBosmanBruceWhite ISIS: Bruce Probes: Bruno Duelli (EWB)Controls: Don Heywood Dick Johnson Dave Gurd Ken Dawson (UofA) 4 Safety; Ian Thorson Brian Pate (SFU)Gary WaitCRC: Ewart Blackmore PttTti Centre Region Cyclotron P ro t ion source, injection systeminflector and centre region tdflifi resona ors an d r amp lifi e r probes and diagnosticscontrols first beam to full ener gy October 1972 Inflector/Deflector intensity to 100 A June 1973resonators too sensitive to temperature correction plates requiredbeam dynamics understood ISISinflectorandprobesdesign 6 fabricator identified (EBCO Industries) Cyclotron Systems and ChallengesRadiofrequency System 80 resonators, 1.8 MW 23 MHz installation and alignment waterconnectionsrfcontacts water (1974 -1980) RF early operations outgassing and hydrogen pumping water leaks and vibrationsrf contact damage, strongback temp. centreregionelectrodesmelting frequency tuning temp. and press.damage to diagnostic probes resonator strongback sagging(1990-1992) Resonator replacement 24 new resonators installed -stiffe r (2000-present) RF Amplifier refurbish Cyclotron Systems and Challenges SafetyandRemoteHandling Safety understandingbeam losses in cyclotron and minimizing system reliability inside cyclotronimproved remote handling capability for routine and more complicatedtasks complicated beam lines, target areas, TNF etc mA-hrs Dose mSv 1984322 (88%) 474 1994490(90%)267 10 490 2004 687 (92%) 307 (ISAC) First Beam December 15, 1974 Maximum Radius of Beam Energy (if centred Nov. 17 42 in. 6 MeV Nov. 18 55 in. 10 MeV (Radiation in vault!) 85 in.24 MeV Replaced low-energy probe Nov. 22 150 in. 71 MeV Nov. 23 183 in. 113 MeV Replaced B-20 cryogenerator Nov 25 179in 109MeV Nov . . 109 MeV Vacuum problems Nov. 26 195 in. 135 MeV Deflector sparking Nov. 27 223 in. 195 MeV Nov. 28 231 in. 210 MeV 2 Check 2 = 0.02 at R=223in. Dec. 1 259 in. 295 MeV Dec. 3 265 in. 315 MeV Beam appears to be centred 300 kV supply in ISIS kaput Dec Tryingtore - establishbeam Dec . 11 Trying - establish RF problems Dec. 12 273 in. 345 MeV Sparking in ISIS Dec. 14 278 in. 363 MeV Dec. 15 12:10 278 in. 363 MeV 12 13:07 309 in.500 MeV Cyclotron Operations and Beam Delivery Specification(1972) Specification 2 beams 100, 10 - 5 2 0 A 50e Achieved (today)3(4) beams BL1A -120 A 500 MeVBL2A -100 A 500 MeV 13 A 100 MeV Experimental Areas & Beamlines SFU SFU UVic U of A SFU BCCA Planned layout 1970 Experimental Areas & Beamlines Proton Hall Bas ue Ex p eriment -1975 15 MRS Spectrometer 1976 ThankYou! Thank You ! Merci! !