CYCLONE® 70 ARRONAX Cyclotron - KVIagorcalc/ECPM2009/Presentations/29_03Medeiros.pdf · Progress...
Transcript of CYCLONE® 70 ARRONAX Cyclotron - KVIagorcalc/ECPM2009/Presentations/29_03Medeiros.pdf · Progress...
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ECPM 2009
CYCLONE® 70ARRONAX Cyclotron
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ARRONAX Cyclotron
Groningen, The Netherlands October 2009
Luis Medeiros RomaoProject Manager
On behalf of the team…
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The Goals©
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The Goals©
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The Time Line©
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Birthday…30/04/2006©
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Today…29/10/2009©
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Today…29/10/2009©
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Today…29/10/2009©
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Today…29/10/2009©
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Today…29/10/2009©
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Progress Report…
� Treated « childhood » illnesses:� Compensation coils� Harmonic 1
� « Teenager » complications being treated:� Electrostatic deflector� High intensity proton beam
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� High intensity proton beam
� Substantial steps to « Adult » maturity:� 85% of acceptance tests passed with success� Substantial beam performances in all 4 particles� …
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Compensation Coils
� Issue:� Kapton Isolation ���� short-circuits during current ramp-up
� Solution:� Epoxy isolated coils
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Compensation Coils©
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Harmonic 1
� Issue:� H1 magnetic component ~ 10G (B ~ 1,6T)
� Consequences:� Beam decentering� Dangerous crossing of νz = 0.5 & νr = 2 νz
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� Dangerous crossing of νz = 0.5 & νr = 2 νz
� Negative impact on the He 2+, D- and HH+ beam optics
� Solution:� Harmonic coils ���� center & outer radii
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Harmonic 1 – Center Coils
� Center radii ���� 300At� Magnetic gap decreased from 30mm ���� 16mm
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Harmonic 1 – Outer Coils
� Outer radii ���� 90At� Magnetic gap decreased from 30mm ���� 20mm
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Harmonic 1 – Outer Coils©
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Harmonic 1 – Beam Scraper©
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Electrostatic deflector
� Issues:� Septum’s power dissipation capacities � Pre-septum’s position
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Electrostatic deflector
� Solutions:� Two redesigned septa: Cu & Cu – W
� Optimized profile:� Recalculated thickness variation ���� power dissipation� Gap variation: 4 – 8mm� Vext = 65 – 70kV
� Reduced septum to pre-septum distance: 10mm ���� 1mm
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Electrostatic deflector – Cu ©
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Electrostatic deflector – Cu - W
Brazed removable W insert
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Electrostatic deflector – Septum Protection ©
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High Intensity 70MeV Proton Beam
� Issues:� Outgassing:
� Stripper probes� Vacuum chamber
� Fast o-ring deterioration:� Stripper probes� Stripper air locks
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� Extraction vacuum chamber
� Solutions:� New stripper probes ���� double cooling circuit� Cooling on vacuum chamber� O-ring protections
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High Intensity 70MeV Proton Beam©
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High Intensity 70MeV Proton Beam©
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High Intensity 70MeV Proton Beam©
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Alpha Pulsing
� “Cold” factory testing on going� Waiting for site installation
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Alpha Pulsing
� Pulses: ns ���� ms� Frequency = 1.5MHz� V resonator = 50kV
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Achievements – Acceptance Tests
� Injection yields:� H-: > 25% (with buncher)� He2+ / HH+ / D- : > 10% (with buncher)
� Transmission yields:� H- : 95%� D-: 75% (taking into account magnetic gap variation)
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� D-: 75% (taking into account magnetic gap variation)� He2+ : 85% (taking into account magnetic gap variation)� HH+: 85% (taking into account magnetic gap variation)
� Extraction yields:� He2+ :73% � HH+: 74%� H- / D- : > 99%
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Achievements – Acceptance Tests
� Simultaneous beam extraction:� H- 70 MeV: > 200µA� H- 30 MeV: > 200µA
� Beam transport on all beam lines and all particles:� Transport yields: > 96%� Target yields: 92%
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� Target yields: 92%� Exception: 90 °°°° magnet beam line ���� 68%
� Validated solid target system
� Validated control system
� Validated interlock system
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Achievements – Present Performances
� H- : � 1mA at 150mm (1MeV)� High current BTL validated at 375µA 70MeV � 2 x 200µA 70MeV� 1 x 500µA 30MeV
� D- : � 50µA 35MeV
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� 50µA 35MeV
� He2+ : � 25µAe 70MeV
� HH+ : � 25µAe 35MeV
� Base vacuum: 4 10 -7mbar
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Major Final Steps...
� H- :� 2 x 375µA 70MeV� 55kW proton beam
� He2+ :� 70µAe 70MeV
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� HH+ :� 50µAe 35MeV
� Alpha pulsing integration
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Control System©
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Control System©
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Control System©
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Control System©
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Control System©
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Control System©
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Thank-you…©
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Team…� R&D Management:
� Yves Jongen� Michel Abs� Albert Blondin
� System Owner: � Jean-Luc Delvaux
� Physicists:� Will Kleeven� Simon Zaremba� Dirk Vandenplaasche� William Beeckman
� Control System Engineer:� Marc Pinchart
� Technical team:� Jean-Baptiste Oliva� Dominique Bourgeois� Serge Monfort
� Logistics: � Chantal Van Uytven
� QA:� Delphine Rosoux
� QC:
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� William Beeckman� Yves Paradis
� Designers:� Jean-Claude Amélia� Matthieu Lemercier� Sébastien de Neuter� Gérard Lannoye� Sébastien Deprez� Christian Van Hove
� Field Engineers: � Thierry Vanderlinden� François Peeters
� QC: � Pascal Pelerin
� Supply Chain:� Louis-Guy Servotte� Pascal Robert
� Partners:� Sigmaphi� Pantechnik� Cegelec