Another 240 NbTi quadrupole magnets are used to focus the beam.
2.
Quadrupole magnets are useful as they create a magnetic field whose magnitude axis.
3.
These devices include sophisticated transducers, diagnostics ( position monitors and wire scanners ), dipole and quadrupole magnets.
4.
As well as the two bend magnets each cell has three families of quadrupole magnets and two families of sextupole magnets.
5.
Dipole and quadrupole magnets deflect different particle energies by differing amounts, a property called chromaticity by analogy with physical optics.
6.
Its basic elements are dipole magnets for deflection, quadrupole magnets for Strong focusing, sextupole magnets for correction of chromatic aberration, and sometimes even higher order magnets.
7.
However, "'ridged poles "'of a cyclotron or two or more spaced quadrupole magnets ( arranged in quadrature ) alternately focus horizontally and vertically.
8.
Electromagnets of similar conceptual design ( called quadrupole magnets ) are commonly used to focus beams of charged particles in particle accelerators and beam transport lines, a method known as strong focusing.
9.
In modern facilities, most of the beam focusing is usually done by quadrupole magnets, using Strong focusing to enable smaller beam sizes and vacuum chambers, thus reducing the average magnet size.
10.
Since all realistic beams have some, non-negligible, energy spread, any focusing scheme that relies purely on quadrupole magnets will result in the size of the beam " blowing up " with distance.
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