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arxiv 1609.09420 v1 pith:HF7KMEES submitted 2016-09-28 physics.acc-ph hep-ex

Finding the magnetic center of sextupole using vibrating wire technique

classification physics.acc-ph hep-ex
keywords magneticvibratingwirecenterhepshighmeasurementphoton
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In order to obtain stable and high-quality synchrotron radiation photon, the magnets in the storage ring of High Energy Photon Source(HEPS) need to have a stable support and precise positioning. The vibrating wire technique can be used to pre-align the quadrupoles and sextupoles on one girder with high precision to meet the extremely low emittance requirement of HEPS. This thesis introduces the measurement of magnetic center of sextupole using vibrating wire. According to the measurement results, the magnetic field distribution is consistent with theoretical expectation. And vibrating wire has achieved the purpose of measuring the magnetic center and has reached a certain precision.

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