J. Richards, D. Dale, K. Ezawa, M. Leross, D.B. Morris, K. Negishi,

R. Nussbaumer, D. Morris, S. Rapaz, E. Tikhomolov, G. Waters CANADA’S NATIONAL LABORATORY FOR PARTICLE AND NUCLEAR PHYSICS

LABORATOIRE NATIONAL CANADIEN

POUR LA RECHERCHE EN PHYSIQUE NUCLÉAIRE ET EN PHYSIQUE DES PARTICULES

4004 Wesbrook Mall, Vancouver, BC, Canada

TRIUMF’s ARIEL Project

The primary mission of ARIEL is to deliver unprecedented intensities of rare, short-lived exotic isotopes, and in particular those with extreme neutron excess, to simultaneous and

multiple experiments, at the existing and world-leading ISAC accelerator complex.

A secondary mission of ARIEL is to anticipate future uses of e-linac technologies such as free electron lasers, and including commercial uses such as the production of medical

isotopes by photo-fission.

ARIEL Phase I - Completion 2015

E-Linac producing 25 MeV, 10 mA. The E-Linac consists of:

a 300 kV e-gun

an injector cryomodule, driven by a 30 kW Inductive Output Tube

an accelerator cryomodule, driven by 250 kW klystron

a beam-line transporting electrons to a temporary

production target

The E-Linac will be built in the Proton Hall

(renamed Electron Hall) of the existing Cyclotron building

There will be two new buildings constructed

1) ARIEL Building housing the:

Target Hall and Mass Separators

Target Assembly Lab

Radiochemistry Labs

Laser Labs

Hot Cells

2) Cryogenics Building housing the Helium

refrigeration/liquefier

ARIEL Phase II

The E-Linac is upgraded to 50 MeV, 10 mA by adding a 2nd

accelerator cryo-module

A previously decommissioned Proton Beamline is rebuilt to deliver protons to the Target

Two Target Stations are completed one exclusively for electrons and one exclusively for protons

2 Mass Separators added after the targets

Beam-line Front End to ISAC Accelerators

ARIEL Building – Target Hall & Front End

Superconducting E-Linac

http://www.triumf.ca/ariel

LIC

Self Test

Mask

Calibration

Threshold

Settings

HV PS

LIC Electronics>10E5 uAuS/m Loss

Full Point Loss

Fault

Logic

Processor

Fast <10uS

Optics Devices

Dipoles

Vacuum Devices

Beam Dumps

Cavities

Electron Gun

OTR

Wire scanners

Faraday Cup

Status

Monitor

Slow

(mS)

Control SystemOperating Mode Request

Active Operating Mode Status

Reset

Highest Compatible Operating Mode

Active Operating Mode Status

Fast Shutdown

Electron

Gun

HVPS

Fast Shutdown

Gun Modulation parameters

Operator chooses

start and end point

Non-critical data

Non-critical data

Vacuum FaultOptics FaultBeam Dump FaultCavitiy FaultE-gun FaultOTR FaultWire scanner FaultFaraday Cup Fault

Beam Loss Monitoring

PMT

Self Test

Mask

Calibration

Threshold

Settings

Fault

Proton Loss

Electron Loss

HV PS

PMT Electronics

Fast Shut Down

Status Monitoring

and Veto

Operating Mode

EGI

Machine Protection System Block Diagram

Electron

Gun Inhibit

Interface

Comparison of ARIEL and ISAC Control Systems

ISAC ARIEL Rationale

Control System EPICS EPICS Efficiency of Operator Training, facilitates one

control room

<10 uSec response

Uses Beam modes

Custom Hardware

(JLab)

High Level

Applications

Matlab XAL High Power machine will rely on physics models

Control of:

RF High Power PLC PLC and

ASYN/Streamdevice

RS-232

More control and monitoring parameters

RF Low Level PC Shared Memory PC Shared Memory

Beam Diagnostics VME and PC Shared

Memory

VME and PC Shared

Memory

Beam Optics CANbus RS-232, CANbus,

Analogue ?

Cabling cost considerations: power supplies are

concentrated unlike ISAC where they are

distributed

Vacuum PLC PLC

Cryogenics PLC (Siemens) PLC (Siemens)

HVAC BACnet/EPICS BACnet/EPICS

Machine Protection

_

500kWatt beam power, 50MeV @ 10mA (Phase II)