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  • Accepted Manuscript: Tracking rare-isotope beams with microchannel plates

Title: Tracking rare-isotope beams with microchannel plates

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 10 5 pps.
Authors:
 [1] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ;  [3] ;  [4] ;  [5] ;  [6] ;  [6] ;  [7]
+ Show Author Affiliations
  1. Michigan State Univ., East Lansing, MI (United States); Univ. of Massachusetts, Lowell, MA (United States)
  2. Michigan State Univ., East Lansing, MI (United States)
  3. Univ. de Caen, CNRS/IN2P3, Caen (France)
  4. Western Michigan Univ., Kalamazoo MI (United States)
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  6. Univ. of Tennessee, Knoxville, TN (United States)
  7. Institute of Modern Physics, CAS, Lanzhou (China)
Publication Date:
Grant/Contract Number:
AC05-00OR22725; R011065245; FG02-96ER40983
Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 795; Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 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
OSTI Identifier:
1338520
Alternate Identifier(s):
OSTI ID: 1247258
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