Design report for a cryostable 3m diameter superconducting solenoid for the Fermilab Collider Detector Facility

Technical Report · Thu Oct 01 04:00:00 EDT 1981

OSTI ID:5219129

Fast, R; Grimson, J; Kephart, R; Leung, E; Mruzek, M; Theriot, D; Wands, R; Yamada, R

The Fermilab Collider Detector Facility (CDF) is a large detector system designed td study anti pp collisions at very high center of mass energies. The central detector for the CDF employs a large axial magnetic field volume instrumented with a central tracking chamber composed of multiple layers of cylindrical drift chambers and a pair of intermediate tracking chambers. The purpose of this system is to determine the trajectories, sign of electric charge, and momenta of charged particles produced with polar angles between 10 and 170 degrees. The magnetic field volume required for tracking is approximately 4 m long and 3 m in diameter. To provide the desired ..delta..p/sub T//p/sub T/ less than or equal to 15% at 50 GeV/c using drift chambers with approx. 200..mu.. resolution the field inside this volume should be 1.5 T. This field should be as uniform as is practical to simplify both track finding and the reconstruction of particle trajectories with the drift chambers. Such a field can be produced by a cylindrical current sheet solenoid with a uniform current density of 1.2 x 10/sup 6/ A/m (1200 A/mm) surrounded by an iron return yoke. For practical coils and return yokes, both central electromagnetic and central hadronic calorimetry must be located outside the coil of the magnet. This geometry requires that the coil and cryostat be thin both in physical thickness and in radiation and absorption lengths. This dual requirement of high linear current density and minimal coil thickness can only be satisfied using superconducting technology. In this report we describe a design for a cryostable superconducting solenoid intended to meet the requirements of the Fermilab ies TDF.

• Research Organization: Fermi National Accelerator Lab., Batavia, IL (USA)
• DOE Contract Number: AC02-76CH03000
• OSTI ID: 5219129
• Report Number(s): DOE/CH/03000-T4; ON: DE82004422
• Country of Publication: United States
• Language: English

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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ACCELERATORS
BARYON-BARYON INTERACTIONS
BEAMS
COLLIDING BEAMS
CURRENT DENSITY
CYCLIC ACCELERATORS
DRIFT CHAMBERS
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
EQUIPMENT
FERMILAB ACCELERATOR
HADRON-HADRON INTERACTIONS
INTERACTIONS
MAGNETS
MEASURING INSTRUMENTS
MULTIWIRE PROPORTIONAL CHAMBERS
NUCLEON-ANTINUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PROPORTIONAL COUNTERS
PROTON-ANTIPROTON INTERACTIONS
RADIATION DETECTORS
SOLENOIDS
SPECIFICATIONS
STABILITY
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS
SYNCHROTRONS