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Measurement and analysis of the field quality of LHC prototype and pre-series superconducting dipoles

We report the main results of the magnetic field measurements performed on the full-size LHC superconducting dipoles tested at CERN since summer 1998. Main field strength and field errors are summarized. We discuss in detail the contributions related to the geometry of the collared coil, the assembl...

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Published in:	IEEE transactions on applied superconductivity 2002-03, Vol.12 (1), p.247-250
Main Authors:	Aleksa, M., Amet, S., Ang, Z., Bottura, L., Buzio, M., Ferracin, P., Pagano, O., Remondino, V., Russenschuck, S., Sanfilippo, S., Scandale, W., Todesco, E.
Format:	Article
Language:	English
Subjects:	Assembly Coiling Cyclic accelerators and storage rings Decay Dipoles Dynamic tests Errors Exact sciences and technology Experimental methods and instrumentation for elementary-particle and nuclear physics Geometry Large Hadron Collider Magnetic analysis Magnetic field measurement Magnetization Nuclear physics Performance evaluation Physics Prototypes Ramps Superconducting cables Superconducting coils Superconductivity Testing
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container_title	IEEE transactions on applied superconductivity
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creator	Aleksa, M. Amet, S. Ang, Z. Bottura, L. Buzio, M. Ferracin, P. Pagano, O. Remondino, V. Russenschuck, S. Sanfilippo, S. Scandale, W. Todesco, E.
description	We report the main results of the magnetic field measurements performed on the full-size LHC superconducting dipoles tested at CERN since summer 1998. Main field strength and field errors are summarized. We discuss in detail the contributions related to the geometry of the collared coil, the assembled cold mass, cool-down effects, magnetization of the superconducting cable and saturation effects at high field. Dynamic effects on field harmonics, such as the field decay during injection and field errors during current ramps, are assessed statistically.
doi_str_mv	10.1109/TASC.2002.1018392
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Dynamic effects on field harmonics, such as the field decay during injection and field errors during current ramps, are assessed statistically.</description><subject>Assembly</subject><subject>Coiling</subject><subject>Cyclic accelerators and storage rings</subject><subject>Decay</subject><subject>Dipoles</subject><subject>Dynamic tests</subject><subject>Errors</subject><subject>Exact sciences and technology</subject><subject>Experimental methods and instrumentation for elementary-particle and nuclear physics</subject><subject>Geometry</subject><subject>Large Hadron Collider</subject><subject>Magnetic analysis</subject><subject>Magnetic field measurement</subject><subject>Magnetization</subject><subject>Nuclear physics</subject><subject>Performance evaluation</subject><subject>Physics</subject><subject>Prototypes</subject><subject>Ramps</subject><subject>Superconducting cables</subject><subject>Superconducting coils</subject><subject>Superconductivity</subject><subject>Testing</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqFkU1LxDAQhosouK7-APFSBMVL13w0aXKUxS9Y8aCeS0wnmqXb1kx72H9v6i4oHvQQZgjP-zIzb5IcUzKjlOjL56un-YwRwmaUUMU120kmVAiVMUHFbuyJoJlijO8nB4hLQmiucjFJ4AEMDgFW0PSpaar4TL1Gj2nr0v4dUuehrtKPwdS-X4-fi7t52oW2b_t1B1-SLkCGEDxgikMHwbZNNdjeN29p5bu2BjxM9pypEY62dZq83Fw_z--yxePt_fxqkdlc8z6rcsY1kYUkzNHCOWuZfCXaMgOxd9TJ4pWBjkVym0NlqAKnWE6IqyqhKJ8m5xvfOODHANiXK48W6to00A5YsngZUkT1v2AhJNdqBC_-BCnhlGkl-Iie_kKX7RDiObHUUoucSV1EiG4gG1rEAK7sgl-ZsI5O5ZhkOSZZjkmW2ySj5mxrbNCa2gXTWI_fQq7iCHLc_mTDeQD44btx-QRVQqcU</recordid><startdate>20020301</startdate><enddate>20020301</enddate><creator>Aleksa, M.</creator><creator>Amet, S.</creator><creator>Ang, Z.</creator><creator>Bottura, L.</creator><creator>Buzio, M.</creator><creator>Ferracin, P.</creator><creator>Pagano, O.</creator><creator>Remondino, V.</creator><creator>Russenschuck, S.</creator><creator>Sanfilippo, S.</creator><creator>Scandale, W.</creator><creator>Todesco, E.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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subjects	Assembly Coiling Cyclic accelerators and storage rings Decay Dipoles Dynamic tests Errors Exact sciences and technology Experimental methods and instrumentation for elementary-particle and nuclear physics Geometry Large Hadron Collider Magnetic analysis Magnetic field measurement Magnetization Nuclear physics Performance evaluation Physics Prototypes Ramps Superconducting cables Superconducting coils Superconductivity Testing
title	Measurement and analysis of the field quality of LHC prototype and pre-series superconducting dipoles
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