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Strength Measurements of B3 (ODM) Dipoles

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Ruth A. Becker
Updated by:
Ruth A. Becker
Document Created:
07 Sep 2000, 00:00
Contents Revised:
07 Sep 2000, 00:10
Metadata Revised:
07 Sep 2000, 00:10
Actually Revised:
28 Mar 2003, 18:25
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07 Sep 2000, 00:00
Main Ring B3 (ODM) dipoles are required in several places in the current Fermilab accelerator complex. This note will provide some information on their strength based on both recent and previous measurements. Information on magnet fabrication history including identification of steel will be provided. This should preserve some lore until a more careful report can be prepared. Recent measurements of ODM006-1 (3006-1) and ODM032-1 (3032-1) will be combined with previous measurements to provide information on ODM009 from its most recent measurement. We find that the linear fields of these magnets is well described by the design gap of 3" and an effective length of 239". Non-linear contributions from remanent fields and saturation are documented. Some results on the variation from magnet to magnet are provided.
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