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"Alpha decays" of Be-10(Lambda) and B-10(Lambda) hypernuclei on a nuclotron: A clue to some puzzles in nonleptonic processes
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SYSNO ASEP 0031878 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title "Alpha decays" of Be-10(Lambda) and B-10(Lambda) hypernuclei on a nuclotron: A clue to some puzzles in nonleptonic processes Title „Alfa rozpad“ hyperjader 10Be a 10B: Klíč k řešení některých záhad Author(s) Batusov, Yu. (RU)
Lukstins, J. (RU)
Majling, Lubomír (UJF-V) RID
Parfenov, AN. (RU)Source Title Physics of Particles and Nuclei. - : Pleiades Publishing - ISSN 1063-7796
Roč. 36, č. 2 (2005), s. 169-190Number of pages 22 s. Language eng - English Country US - United States Keywords nonmesonic weak decay ; hyperon-nucleon interaction ; Lambda-N-interaction Subject RIV BE - Theoretical Physics R&D Projects GA202/02/0930 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10480505 - UJF-V (2005-2011) Annotation Hypemuclei are a convenient laboratory in which to study a baryon-baryon weak interaction and the associated effective lweak Hamiltonian. The strangeness changing process, in which a A hyperon in nuclear matter converts to a neutron with a release of up to 176 MeV, provides a clear signal for the conversion of an s quark to a d quark. It is shown how the nuclear structure aspects of the problem, often an unwelcome detail of calculations attempting to understand a basic two-body AN -> NN interaction, can be used to pick out the components of the effective weak Hamiltonian. It is well known that removing one neutron from Be-9 results in Be-8* and a subsequent alpha alpha decay. Through this process, it should be possible to identify the final states of a residual nucleus. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2006
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