Tracking rare-isotope beams with microchannel plates
- Michigan State Univ., East Lansing, MI (United States); Univ. of Massachusetts, Lowell, MA (United States)
- Michigan State Univ., East Lansing, MI (United States)
- Univ. de Caen, CNRS/IN2P3, Caen (France)
- Western Michigan Univ., Kalamazoo MI (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Univ. of Tennessee, Knoxville, TN (United States)
- Institute of Modern Physics, CAS, Lanzhou (China)
A system of two microchannel-plate detectors has been successfully implemented for tracking projectile-fragmentation beams. The detectors provide interaction positions, angles, and arrival Limes of ions at the reaction target. Furthermore, the current design is an adaptation of an assembly used for low-energy beams (~1.4 MeV/nucleon). In order to improve resolution in tracking high-energy heavy-ion beams, the magnetic field strength between the secondary-electron accelerating foil and the microchannel plate had to be increased substantially. Results from an experiment using a 37-MeV/nucleon 56Ni beam show that the tracking system can achieve sub-nanosecond timing resolution and a position resolution of ~1 mm for beam intensities up to 5 x 105 pps.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC05-00OR22725; R011065245; FG02-96ER40983
- OSTI ID:
- 1338520
- Alternate ID(s):
- OSTI ID: 1247258
- Journal Information:
- Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 795, Issue C; ISSN 0168-9002
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Web of Science
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Related Subjects
43 PARTICLE ACCELERATORS
Microchanncl Plates
Rare-isotope beams
Tracking detector
Transfer reactions
PROJECTILE FRAGMENT SEPARATOR
SECONDARY-ELECTRON EMISSION
MEAN FREE PATHS
STOPPING POWERS
NUCLEAR BEAMS
HEAVY-IONS
POSITION
DETECTORS
FACILITY
SYSTEM