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Isochronous cyclotron and method of extraction of charged particles from such cyclotron
Isochronous cyclotron and method of extraction of charged particles from such cyclotron
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机译:同步回旋加速器以及从这种回旋加速器中提取带电粒子的方法
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摘要
The present invention is related to a superconducting or non-superconducting isochronous sector-focused cyclotron, comprising an electromagnet with an upper pole and a lower pole that constitute the magnetic circuit, the poles being made of at least three pairs of sectors (3, 4) called "hills" where the vertical gap between said sectors is small, these hill-sectors being separated by sector-formed spaces called "valleys" (5) where the vertical gap is large, said cyclotron being energised by at least one pair of main coils (6), characterised in that at least one pair of upper and lower hills is significantly longer than the remaining pairs of hill sectors in order to have at least one pair of extended hill sectors (3) and at least one pair of non-extended hill sectors (4) in that a groove (7) or a "plateau" (7') which follows the shape of the extracted orbit is present in said pair of extended hill sectors (3) in order to produce a dip (200) in the magnetic field. IMAGE
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