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Energy distributions from three-body decaying many-body Resonances

AuthorsÁlvarez-Rodríguez, Raquel; Jensen, A. S.; Fedorov, D. V.; Fynbo, H. O. U.
Keywords[PACS] Few-body systems
[PACS] Resonances
[PACS] Hyperspherical methods
Issue Date17-Aug-2007
PublisherAmerican Physical Society
CitationPhysical Review Letters 99(7): 072503 (2007)
AbstractWe compute energy distributions of three particles emerging from decaying many-body resonances.We reproduce the measured energy distributions from decays of two archetypal states chosen as the lowest 0+ and 1+ resonances in 12C populated in β decays. These states are dominated by sequential, through the 8Be ground state, and direct decays, respectively. These decay mechanisms are reflected in the ‘‘dynamic’’ evolution from small, cluster or shell-model states, to large distances, where the coordinate or momentum space continuum wave functions are accurately computed.
Description4 pages, 4 figures.-- PACS nrs.: 21.45.+v; 25.70.Ef; 31.15.Ja.-- ArXiv pre-print available at: http://arxiv.org/abs/0707.0099v1
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevLett.99.072503
Appears in Collections:(CFMAC-IEM) Artículos
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