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Superconducting magnets at Brookhaven National Laboratory. AGS high energy unseparated beam line dipoles and ISABELLE ring magnet prototypes

Conference ·
OSTI ID:7104287
In the last two years the ISABELLE Division of Brookhaven National Laboratory has constructed various superconducting dipoles in their search for the optimum magnet on which to base the storage ring design. Data taken for two of the larger size systems that have been completed to date are reported. The first system is composed of four large superconducting dipoles used in the 20/sup 0/ bend of the multiparticle spectrometer (MPS) beam line of the 30 GeV Alternating Gradient Synchrotron (AGS). These 25 cm inner diameter (i.d.) dipoles bend the High Energy Unseparated Beam (HEUB) 5/sup 0/ each and have a stored energy of one Megajoule which can and is internally dissipated. The four magnets have operated in excess of 4.0 T after a few training quenches. The single layer cosine theta turns distribution dipoles have been operating under the direction of the ''AGS'' control computer for about six months. These magnets are of a similar design even though certain details are not identical to the ''ISABELLE'' prototype ring magnets. During the same time period, six full-size ring dipoles and one ring quadrupole have been completed with a seventh dipole under construction.
Research Organization:
Brookhaven National Lab., Upton, NY (USA)
DOE Contract Number:
EY-76-C-02-0016
OSTI ID:
7104287
Report Number(s):
BNL-22579; CONF-770618-5
Country of Publication:
United States
Language:
English