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Applications of Particle Accelerators
Prof. Ted Wilson (CERN and Oxford University)
based on the book:
ISBN-013 978-981-4417-19-8
http://www.enginesofdiscovery.com/This talk:http://acceleratorinstitute.web.cern.ch/acceleratorinstitute/TT2015/
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The Large Hadron Collider (LHC)The LHC, at CERN, is the primary toolto which high-energy physicists used to discover the Higgs particle. The machine is 28 kmin circumference.
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CERN Control Centre - Layout
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days...3.5 TeV collisions on March 30th
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Synchrotron Radiation SourcesThere are more than 50synchrotron radiation facilities in the world.In the US there are machines in Brookhaven(NSLS), Argonne (APS), SLAC: SPEAR and the LCLS, and at LBL (ALS).
This intricate structure of a complex protein molecule structure has been determined by reconstructing scattered synchrotron radiation
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Engines of Discovery
The King of Jordan discussing with scientists the Sesame Project, which will be located in Jordan and available to all scientists.
Accelerators bringing nations together
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7Engines of Discovery
The SLAC site showing its two-mile long linear accelerator, the two arms of the SLC linear collider, and the large ring of PEPII. This is where the LCLS will be located. ↓
Electrons 14 GeVPeak current > 1000ATransversely < 0.1 mm1012 photons0.15 < < 1.5l nmPulse: 100 femtoseconds down to 100 attosecondsRate 120 Hz1000 to 10000 times brighter than third generation Cost M$ 300
12101210
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8Engines of Discovery
Linac Coherent Light Source and the European Union X-Ray Free Electron Laser
(Fourth Generation)
FELs, invented in the late 1970’s at Stanford are now becoming the basis of major facilities in the USA (SLAC) and Europe (DESY) .They promise intense coherent radiation. The present projects expect to reach radiation of 1 Angstrom (0.1 nano-meters, 10kilo-volt radiation)
↓
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9Engines of Discovery
An overview of the Spallation Neutron Source (SNS) site at Oak Ridge National Laboratory.
Spallation Neutron Sources (SNS)1GeV protonsmean current 1 mA= 1.4 MW of powerIn a 0.7 microsecuond burst
Cost is about 1.5 B$
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High temperature superconductor
Crystal structure of the 90K YBa2Cu3O7 superconductor
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11Engines of Discovery
The Rare Isotope Accelerator (RIA) scheme. The heart of the facility is composed of a driver accelerator capable of accelerating every element of the periodic table up to at least 400 MeV/nucleon. Rare isotopes will be produced in a number of dedicated production targets and will be used at rest for experiments, or they can be accelerated to energies below or near the Coulomb barrier.
Unstable Isotopes and their Ions
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Acclerators
Accelerators World-Wide
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Therapy ~ 4000
Ion implantation ~ 10200
Electron cutting and welding ~ 7000
Sterilization ~ 2600
Ion Beam analysis ~ 250
Radioisotope production ~ 1000
Non destructive testing ~ 1500
Neutron generators ~ 1500
Synchrotron radiation ~ 70
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13Engines of Discovery
A modern system for treating a patient with x-rays produced by a high energy electron beam. The system, built by Varian, shows the very precise controls for positioning of a patient. The whole device is mounted on a gantry. As the gantry is rotated, so is the accelerator and the resulting x-rays, so that the radiation can be delivered to the tumor from all directions.
Cancer Therapy Machines
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14Engines of Discovery
A drawing showing the Japanese proton ion synchrotron, HIMAC. The facility consists of two synchrotrons, so as to maintain a continuous supply of ions (or protons) to the treatment area. The pulse of ions is synchronized with the respiration of the patient so as to minimize the effect of organ movement.
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Acclerators
Ion Implantation
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+ all semiconductor production+ all semiconductor production
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Acclerators
Electron cutting and welding
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Acclerators
Drilling holes and treating surfaces
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Acclerators
Sterilization
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Acclerators
Ion Beam analysis
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The induction accelerator, FXR, at Lawrence Livermore, to study the behavior of the implosion process in nuclear weapons
Induction Linacs for X-ray examination
The Dual Axis Radiological Hydrodynamic Test Facility This device is to examine nuclear weapons from two axes to reveal departures from cylindrical
symmetry which is a sign of aging.
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Vdee~
+
Þ At all radii particles cross acceleration gap at same moment !
r
Radioisotope production (cyclotrons)
Magnet
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Spect diagnosis
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Acclerators
Material processing
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Acclerators
Security
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Acclerators
Future Accelerator Developments
• ILC• Neutrino factory• Inertial confinement• Drivers for thorium reactors• Acceleration with laser beams in plasmas
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26Engines of Discovery
The International Linear Collider (ILC)
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27Engines of Discovery
Basis of muon collider
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Inertial confinement
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30Engines of Discovery
A linac scheme for driving a reactor. These devices can turn thorium into a reactor fuel, power a reactor safely, and burn up long-lived fission products.
Proton Drivers for Power Reactors
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Energy amplifier
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32Engines of Discovery
Oxford/LBNL Plasma-Laser Experiments:• Guiding achieved over 33 mm:
• Capillary 190 um• Input laser power 40 TW• Peak input intensity > 1018 W cm-2
• Plasma: 3 × 1018 cm-3
• Spot size at entrance 26 μm• Spot size at exit 33 μm
Exit
W. P. Leemans et al. Nature Physics 2 696 (2006)
Butler et al. Phys. Rev. Lett. 89 185003 (2002).
D. J. Spence et al. Phys. Rev. E 63 015401(R) (2001)
Plasma channel formed by heat conduction to capillary wall. E = (1.0 +/-0.06) GeVΔE = 2.5% r.m.sΔθ = 1.6 mrad r.m.s.
Entrance
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33Engines of Discovery
The King of Jordan discussing with scientists the Sesame Project, which will be located in Jordan and available to all scientists.
Accelerators bringing nations together
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Conclusion
I have sketched for you some of the likely future projects of accelerator physics future. Perhaps, the development of accelerators was a passing moment in the history of mankind, but it is much more likely to be an activity that will continue, producing devices not only for physics, but for an ever increasing catalogue applications enriching our everyday lives.
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Acclerators
Join us for a PhD
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Thank you for your attention.