The High Intensity Proton Accelerator of thePaul Scherrer Institute

21. April 2023PSI, 21. April 2023PSI, Seite 2

Protons:cyclotron

Elektrons:SLS

PSI east

PSI west

Aare

neutrons:spallation

nuclear research

nano / microtechnology

Protontherapy

Energy research

UCN:spallation

MuonsPions

Large Research Facilities

Protonaccelerator

Spallation Neutron Source (SINQ)

UCN

Swiss Muon Source (SµS)

50% of the research at PSI is based on accelerators

Synchrotron Light Source (SLS)

The protons are accelerated to 590 MeV (80% of the speed of light) and cover

a distance of 4km.

power = 590 MV ∙ 2.2 mA =

1.3 MW ≙ 1750 HP

2.2 mA ≙ 1016 protons/s

The PSI Proton Accelerator Facility

Cockcroft-Walton 870 keV

Layout of the Proton Facility

Cockcroft-Walton 870 keV

Injector 2 72 MeV

Layout of the Proton Facility

bending magnet (90°)

50 MHz buncher

3rd harmonic buncher

in operation since 1984

- 4 Sector Magnets: 0.33 – 0.36 T- Magnet weight: 180 tons- 2 cavities 50 MHz: 450 kVp- 2 cavities 150 MHz: 40 kVp- harmonic number: 10- injection radius: 0.4 m- extraction radius: 3.5 m- beam energy: 72 MeV- number of turns: 81- max. beam current: 2.7 mA

Injector 2 Cyclotron

Cockcroft-Walton 870 keV

Injector 2 72 MeV

Layout of the Proton Facility

Beam splitter

Isotope production72 and 40 MeV

Ring Cyclotron

Cockcroft-Walton

Injector 2

Layout of the Proton Facility

History of the Beam Current

World record: 1.4 MW beam power

Overview of the experimental area

Pions Muons

Overview of the experimental area

Ring Cyclotron

Ultra Cold Neutrons

Cockcroft-Walton

Injector 2

Pions Muons

Spallation Neutron Source

The Spallation Neutron Source SINQ

Neutron flux:1014 n/cm2/s

Proton Therapy

COMET cyclotron

Gantry I+IIOPTIS

The COMET-CyclotronTumor treatment with protons

- diameter 3.275 m

- superconducting

- Accel (Varian)

- Proton energy 250 MeV

- Max. intensity 1000 nA

COMET cyclotron

Optis

Gantry I

Gantry II

Medical center

Project PROSCAN

Die Synchrotron Lichtquelle Schweiz (SLS)

Ein aussergewöhnliches Gebäude für die Spitzenforschung.

Nicht nur architektonisch ein HighlightSLS – Synchrotron Lichtquelle Schweiz

12 Sectors 288 m circumference

Drifts: 6 x 3m 3 x 7m 3 x 11m

Die Strahllinien der SLSSLS – Synchrotron Lichtquelle Schweiz

Hauptbeschleuniger

Speicherring

Vorbeschleuniger

… for your attentionThank you…