Magnetic field measurements of the prototype LHC-IR MQXA at 1.9 K

Magnetic field measurements of the prototype LHC-IR MQXA at 1.9 K

KEK has developed a prototype of the 6.6 m long MQXA quadrupole for the LHC interaction region. After the first cool-down to 1.9 K, the magnetic field measurements were performed. The prototype could produce a field gradient of 215 T/m corresponding to the operating point of the LHC flat top. The fi...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2002-03, Vol.12 (1), p.188-191
Hauptverfasser: Ohuchi, N., Hirano, H., Ajima, Y., Nakamoto, T., Ogitsu, T., Kimura, N., Shintomi, T., Tsuchiya, K., Yamamoto, A.
Format: Artikel
Sprache:eng
Schlagworte:
Accelerators
Beams (radiation)
Coils
Current measurement
Cyclic accelerators and storage rings
Exact sciences and technology
Experimental methods and instrumentation for elementary-particle and nuclear physics
Large Hadron Collider
Magnetic field measurement
Nuclear physics
Optical beams
Performance evaluation
Physics
Production
Prototypes
Quadrupoles
Superconducting magnets
Superconductivity
Temperature measurement
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Beschreibung
Zusammenfassung:KEK has developed a prototype of the 6.6 m long MQXA quadrupole for the LHC interaction region. After the first cool-down to 1.9 K, the magnetic field measurements were performed. The prototype could produce a field gradient of 215 T/m corresponding to the operating point of the LHC flat top. The field quality of the magnet was sufficiently good to satisfy the requirement of the accelerator beam optics.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2002.1018380