Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 686, Issue -, Pages 82-90Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2012.05.067
Keywords
MR-ToF mass separator; Isobar purification; RIB; ISOLTRAP; Penning trap; Mass spectrometer
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Funding
- German Federal Ministry for Education and Research (BMBF) [06GF9102, 06GF9101I]
- European Union seventh framework through ENSAR [262010]
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A multi-reflection time-of-flight (MR-ToF) mass analyzer has been integrated into ISOLTRAP, the precision mass spectrometer for on-line mass determinations of short-lived nuclides at ISOLDE/CERN. The new instrument improves ISOLTRAP by providing a fast separation of isobaric contaminant species as well as subsequent ion selection using the fast Bradbury-Nielsen gate. Suppression ratios of up to 10(4) and mass-resolving powers of over 10(5) have been reached in off-line experiments. Preliminary data from on-line applications illustrate the benefit and performance of the device and its potential in the context of the ISOLTRAP setup. (C) 2012 Elsevier B.V. All rights reserved.
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