Title :
Magnetic flux shielding for the precision muon g-2 storage ring superconducting inflector
Author :
Meng, W. ; Sampson, W.B. ; Suenaga, M.
Author_Institution :
Brookhaven Nat. Lab., Upton, NY, USA
Abstract :
The muon g-2 experiment (E821) at the AGS requires a precision in the magnetic field over muon orbit at the level of 0.1 ppm. Injection is done with a superconducting inflector involving a double cosine theta winding approximately cancels its fringe field. Nevertheless its residual field would effect the homogeneity of the storage ring magnetic field. A method of using a superconducting sheet surrounding the inflector to further reduce the fringe field is being investigated. The experimental program to explore this technique is described and some test results are presented
Keywords :
beam handling equipment; beam handling techniques; g-factor; magnetic shielding; proton accelerators; storage rings; superconducting magnets; synchrotrons; AGS; E821 experiment; double cosine theta winding; fringe field; homogeneity; injection; magnetic field; magnetic flux shielding; muon g-2 storage ring; muon orbit; residual field; superconducting inflector; superconducting sheet; test results; Critical current density; Laboratories; Magnetic field measurement; Magnetic flux; Magnetic materials; Magnetic shielding; Mesons; Storage rings; Superconducting magnets; Temperature;
Conference_Titel :
Particle Accelerator Conference, 1993., Proceedings of the 1993
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-1203-1
DOI :
10.1109/PAC.1993.309500
