Test results of the g-2 superconducting solenoid magnet system

Author

Bunce, G. ; Morse, W.M. ; Benante, J. ; Cullen, J.R., Jr. ; Danby, G.T. ; Endo, K. ; Fedotovich, G.V. ; Geller, J. ; Green, M.A. ; Grossmann, A. ; Grosse-Perdckamp, M. ; Haeberlen, U. ; Hseuh, H. ; Hirabayashi, H. ; Hughes, V.W. ; Jackson, J.W. ; Jia, L.X

Author_Institution

Brookhaven Nat. Lab., Upton, NY, USA

Volume

7

Issue

2

fYear

1997

fDate

6/1/1997 12:00:00 AM

Firstpage

626

Lastpage

629

Abstract

The g-2 experiment dipole consists of a single 48 turn, 15.1 meter diameter outer solenoid and a pair of 24 turn inner solenoids, 13.4 meters in diameter. The inner solenoids are hooked in series and are run at a polarity that is opposite that of the outer solenoid, thus creating a dipole field in the space between the inner and outer solenoids. The dipole flux is returned by a C shaped continuous iron yoke. The superconducting solenoid coils are closely coupled to the solenoid mandrels and as such are subject to quench back. This report presents the results of various tests on the g-2 magnet system operating within its iron return yoke. These tests include quench back time constant measurements for the inner and outer solenoids and measurements of the response of the two-phase forced cooled helium cryogenic system to magnet quenches. The overall effectiveness of the g-2 magnet quench protection system was measured.

Keywords

accelerator magnets; cryogenics; solenoids; storage rings; superconducting coils; superconducting device testing; superconducting magnets; 13.4 m; 3.1 GeV; C shaped continuous iron yoke; dipole flux; g-2 experiment dipole; g-2 superconducting solenoid magnet system; inner solenoids; magnet quench protection system; outer solenoid; quench back; solenoid mandrels; storage ring magnet; two-phase forced cooled helium cryogenic system; Cryogenics; Force measurement; Iron; Magnetic flux; Solenoids; Superconducting coils; Superconducting magnets; System testing; Time measurement;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/77.614582

Filename

614582