Paper | Title | Page |
---|---|---|
WEO1C02 | Status Report of the RAL Photo-Detachment Beam Profile Monitor | 492 |
|
||
The Rutherford Appleton Laboratory (RAL) is developing a Linac front end suitable for High Power Proton Applications (HPPA). The main components are an H- ion source with up to 60mA current at 65keV, a transport section to match the beam to an RFQ with 3MeV output energy and a MEBT comprising a chopper system with severalbuncher cavities. Photo detachment can be used as a non-destructive diagnostics method. The paper reports on progress with a beam profile monitor that is placed in a pumping vessel right after the ion source at the intersection to the Low Energy Beam Transport (LEBT). This consists of mirrors inside the vacuum to scan the laser beam through the beam, the actual detector to measure photo detached electrons, laser and optics outside the vacuum and electronics to amplify and read out the signal. The paper summarises the experimental set-up and status, discusses problems and presents recent measurements. |
||
|
||
THO1B05 | First LEBT Simulations for the Bilbao Accelerator Ion Source Test Stand | 595 |
|
||
The Proposed Multi-specimen Low Energy Transport System (LEBT) consists of a series of solenoids with tunable magnetic fields, used to match the characteristics of the beam to those imposed by the RFQ input specification. The design of the LEBT involves selecting the number of solenoids to use and their fixed positions, so that the set of fields that provides the desired matching can be found for any given conditions (different currents, input emittances, etc). In this work we present the first simulations carried out to design the Bilbao Accelerator LEBT, which were peformed using several codes (Track, GPT, Trace2D). The best configuration is discussed and evaluated in terms of the degree of matching to the RFQ input requirements. |
||
|