Commissioning and First Operation of the Cryogenics for the CERN Axion Solar Telescope (CAST)
A new experiment, the CERN Axion Solar Telescope (CAST) was installed and commissioned in 2002. Its aim is to experimentally prove the existence of an as yet hypothetical particle predicted by theory as a solution of the strong CP problem and possible candidate for galactic dark matter. The heart of...
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| Veröffentlicht in: | AIP conference proceedings 2004-06, Vol.710 (1), p.168-175 |
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| creator | Barth, K Delikaris, D Passardi, G Pezzetti, M Pirotte, O Stewart, L Vullierme, B Walckiers, L Zioutas, K |
| description | A new experiment, the CERN Axion Solar Telescope (CAST) was installed and commissioned in 2002. Its aim is to experimentally prove the existence of an as yet hypothetical particle predicted by theory as a solution of the strong CP problem and possible candidate for galactic dark matter. The heart of the detector consists of a decommissioned 10-m long LHC superconducting dipole prototype magnet, providing a magnetic field of up to 9.5 T. The whole telescope assembly is aligned with high precision to the core of the sun. If they exist, axions could be copiously produced in the core of the sun and converted into photons within the transverse magnetic field of the telescope. The converted low-energy solar axion spectrum, peaked around a mean energy of 4.4 keV, can then be focused by a special x-ray mirror system and detected by low-background photon detectors, installed on each end of the telescopes twin beam pipes. This paper describes the external and proximity cryogenic system and magnet commissioning as well as the first operational experience with the overall telescope assembly. |
| doi_str_mv | 10.1063/1.1774679 |
| format | Article |
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| source | AIP Journals Complete |
| subjects | ACCURACY ASTRONOMY AXIONS CERN CERN LHC COMMISSIONING CRYOGENICS INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY KEV RANGE 01-10 MAGNETIC FIELDS NONLUMINOUS MATTER OPERATION PHOTONS SOLAR RADIATION SUPERCONDUCTING MAGNETS TELESCOPES |
| title | Commissioning and First Operation of the Cryogenics for the CERN Axion Solar Telescope (CAST) |
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