RFQ' Vane adjustment'

1
RFQ. Vane adjustment.
2
AccSys_FNAL
a
Rhomb (diamond shape)
b
a
Fq 326.16 MHz Fd 316.13
The gaps between poles are equal. So, probe can
not catch this misalignments
3
Rhomb
Electric fields in gaps and magnetic fields at
the walls are equal for all quadrants (for
quadrupole mode). But actually we have dipole
components in operating area.
4
Angle (0.1)
6 in the gaps
7 at the walls
8
Probably, tuning can correct this field distortion