Measuring isospin mixing in Ar-36 using a polarized, neutral atom trap
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Magneto-optical traps provide a cold, compact cloud of radioactive atoms and therefore are an ideal source for use in precision nuclear decay studies. Optical pumping techniques can add a new dimension to such experiments by efficiently polarizing these samples to 99%. TRIUMF's experiment E925 is utilizing these techniques to prepare to measure the isospin mixing between the first two I=2+ excited states of 36Ar with the lowest 2+, T=1 isobaric analog state. The spin-polarized 36K + decay observables will be measured using TRIUMF's neutral atom trap at ISAC, TRIUMF's isotope separator and accelerator facility. The main purpose is to test isospin mixing models in the s,d-shell needed for determination of the superallowed Fermi strength in 0+0+ decays. 2003 Elsevier Science B.V. All rights reserved.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
author list (cited authors)
Melconian, D., Ashery, D., Ball, G., Behr, J. A., Bricault, P., Brown, B. A., ... Vollrath, I.
complete list of authors
Melconian, D||Ashery, D||Ball, G||Behr, JA||Bricault, P||Brown, BA||Dornbsky, M||Jackson, KP||Fostner, S||Gorelov, A||Groves, MN||Gu, S||Pearson, MR||Towner, IS||Trinczek, M||Vollrath, I