RARAF Accelerator Replacement History of RARAF Van de Graaff Removal of Van de Graaff Placement and assembly of Singletron Comparison of accelerators Timeline.

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Presentation transcript:

RARAF Accelerator Replacement History of RARAF Van de Graaff Removal of Van de Graaff Placement and assembly of Singletron Comparison of accelerators Timeline for installation

RARAF Accelerator Replacement Van de Graaff at Brookhaven National Laboratory 1949

RARAF Accelerator Replacement CosmotronCosmotron injector

RARAF Accelerator Replacement Van de Graaff at BNL before move to Nevis

RARAF Accelerator Replacement Van de Graaff stored at Nevis and being positioned

RARAF Accelerator Replacement Nevis 200 MeV cyclotron partially disassembled and being entombed

RARAF Accelerator Replacement Van de Graaff before removal

RARAF Accelerator Replacement Removing charging belt (June 13)

RARAF Accelerator Replacement

Removal of acceleration tube

RARAF Accelerator Replacement Terminal, acceleration tube and column removed

RARAF Accelerator Replacement Baseplate with column and drive motor removed

RARAF Accelerator Replacement Making opening in rear wall

RARAF Accelerator Replacement Van de Graaff tank being removed from building (August 2)

RARAF Accelerator Replacement

Removal of baseplate

RARAF Accelerator Replacement

Accelerator tank leaving Nevis

RARAF Accelerator Replacement Interior parts of the Van de Graaff being taken away by Robert Krawchuk

RARAF Accelerator Replacement Arrival of Singletron at RARAF (August 10)

RARAF Accelerator Replacement

Installation of baseplate and resonant coil tank

RARAF Accelerator Replacement HV power supply & resonator coil Singletron, baseplate & quadrupole

RARAF Accelerator Replacement Interior of SingletronTerminal with shell removed

RARAF Accelerator Replacement ParameterVan de GraaffSingletron Terminal Voltage (MV) Ripple (V)~ Proton current (μA)> (100) He current (μA)?125 Charging systemBeltInduction Note: Lower x-ray radiation in Singletron due to spiral acceleration tube design Accelerator comparison

RARAF Accelerator Replacement Principle of operation of a Pelletron or Van de Graaff

RARAF Accelerator Replacement Singletron resonant coil interior Interior of tank with Dees

RARAF Accelerator Replacement Electrodes & diode stacks with spark gaps

RARAF Accelerator Replacement RF ion source

RARAF Accelerator Replacement TASKFromTo Mechanical installation (positioning, anchoring rails, etc.)9/2010/4 Wiring, water, ion source, function tests10/510/7 Accelerator checks (open air)10/1010/14 INSTALLATION BREAK (1st 4 weeks over)10/1710/24 Tank filling and conditioning for voltage10/2511/2 HV test/ radiation check11/311/4 Beam tests11/711/11 Specification: voltage, stability, beam current11/1411/18 INSTALLATION BREAK (2nd 4 weeks over)11/2111/28 Return if necessary11/29 Timeline for Singletron installation

RARAF Accelerator Replacement RARAF Staff Gerhard Randers-Pehrson Alan Bigelow Guy Garty Greg Ross Giusseppe Schettino HVEE staff Arnoud Terpstra Robert Honee