Super Proton Synchrotron
| Test beamline delivered from the SPS. In photo 20 GeV positrons are used to calibrate the Alpha Magnetic Spectrometer. | |
| General properties | |
|---|---|
| Accelerator type | Synchrotron | 
| Beam type | protons, heavy ions | 
| Target type | Injector for LHC, fixed target | 
| Beam properties | |
| Maximum energy | 450 GeV | 
| Physical properties | |
| Circumference | 6.9 kilometres (4.3 mi) | 
| Coordinates | 46°14′06″N 6°02′33″E / 46.23500°N 6.04250°E | 
| Institution | CERN | 
| Dates of operation | 1976–present | 
| Preceded by | SppS | 
| Current particle and nuclear facilities | |
|---|---|
| LHC | Accelerates protons and heavy ions | 
| LEIR | Accelerates ions | 
| SPS | Accelerates protons and ions | 
| PSB | Accelerates protons | 
| PS | Accelerates protons or ions | 
| Linac 3 | Injects heavy ions into LEIR | 
| Linac4 | Accelerates ions | 
| AD | Decelerates antiprotons | 
| ELENA | Decelerates antiprotons | 
| ISOLDE | Produces radioactive ion beams | 
| MEDICIS | Produces isotopes for medical purposes | 
The Super Proton Synchrotron (SPS) is a particle accelerator of the synchrotron type at CERN. It is housed in a circular tunnel, 6.9 kilometres (4.3 mi) in circumference, straddling the border of France and Switzerland near Geneva, Switzerland.