Results from the Fermilab 1.5 M Model Magnet Program

Abstract

A series of model SSC collider dipole magnets (50 mm apermre. 1.5 m magnetic length) are being built and tested at Fermilab. The early magnets have been built according to the Fennilab baseline design. The magnets are precursotx to the full length 15 m models to be used in the Accelerator Systems String Test at the SSCL. All magnets are instrumented with voltage taps for quench localization and with strain gages to measme stresses and deflections in the coil and support structure. Measurements are made during assembly, cooldown. excitation, and warmup. Comparisons are made between data and design expectations, and magnet behavior is correlated with changes in the magnet design and assembly methods.

The KH domain occurs in a diverse set of RNA‐binding proteins that include the antiterminator NusA and is probably involved in binding to nucleic acid

“…Although this could always be the function of KH domains, the possibility of sequence specificity in other KH proteins should not yet be ruled out. Indeed in the RNP motif family [33,34] there are both highly and poorly sequence specific members.…”

“…If the KH motif functions in RNA-binding, several parallels can be drawn with the other generic RNAbinding motif, the RNP domain [33,34]. Both domains have a taxonomic distribution ranging from bacteria to eukaryotes, indicating an early origin in cellular evolution.…”

Review of SSC Dipole Magnet Mechanics and Quench Performance

“…4 It was soon followed by a series of 1.8-mlong model magnets at BNL5 and a series of l.5-m-long model magnets at FNAL. 6 In the fall of 1991, BNL and FNAL completed the production of their first 5-cm-aperture, 15-inlong dipole magnet prototypes. Thus far, three full-length prototypes of the BNL design (magnets DCA207, DCA208, and DCA209) have been built and cold-tested at BNL, and five full-length prototypes of the FNAL design (magnets DCA311, DCA312, DCA313, DCA314, and DCA315) have been built and cold-tested at FNAL.…”