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A Super Strong Permanent Magnet Quadrupole for the Final Focus in a Linear Collider
| Content Provider | Semantic Scholar |
|---|---|
| Author | Mihara, Takanori Kumada, Masayuki Evgeny, Antokhin Spencer, Cherrill M. |
| Copyright Year | 2004 |
| Abstract | A super strong permanent magnet quadrupole (PMQ) was fabricated and tested. It has an integrated strength of 28.5T with overall length of 10 cm and a 7mm bore radius. Two drawbacks should be considered to this NdFeB based PMQ: the negative temperature coefficient of its field strength and its fixed strength. A thermal compensation material was added and tested to cure the first problem. The correct amount was determined to compensate the PMQ’s temperature coefficient. The required field variability can be obtained by slicing magnet into pieces along the beamline direction and rotating these slices. But this technique may lead to movement of the magnetic center and introduction of a skew quadrupole component when the strength is varied. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.slac.stanford.edu/pubs/slacpubs/10750/slac-pub-10876.pdf |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Coefficient Dental Permanent Fillings Magnet |
| Content Type | Text |
| Resource Type | Article |
