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dc.date.accessioned 2019-11-04T14:38:11Z
dc.date.available 2019-11-04T14:38:11Z
dc.date.issued 2004
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/84812
dc.description.abstract We report the preliminary result of an exact calculation of the asymmetry parameter, aΛ, in the nonmesonic hypernuclear decay, based on a one-meson-exchange (OME) model. For the case of Λ 5He and including one-pion-exchange only, the result is shown not to differ considerably from the one obtained with the approximate formula widely used in the literature. In particular, the sign of aΛ remains negative, in disagreement with its most recent experimental determination. Whether these facts remain true for heavier hypernuclei and in a more complete OME model is still under investigation. en
dc.format.extent 822-824 es
dc.language en es
dc.title Asymmetry parameter for the nonmesonic decay of Λ5He en
dc.type Articulo es
sedici.identifier.other doi:10.1590/S0103-97332004000500030 es
sedici.identifier.other eid:2-s2.0-7644223065 es
sedici.identifier.issn 0103-9733 es
sedici.creator.person Barbero, César Alberto es
sedici.creator.person Galeão, Alfredo Pio es
sedici.creator.person Krmpotić, Francisco es
sedici.subject.materias Física es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ciencias Exactas es
sedici.subtype Articulo es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Brazilian Journal of Physics es
sedici.relation.journalVolumeAndIssue vol. 34, no. 3A es
sedici.rights.sherpa * RoMEO: verde* Pre-print del autor: can* Post-print del autor: can* Versión de editor/PDF:cannot* Condiciones:>>Author's pre-print on author's personal website, non-commercial pre-print server>>Author's post-print on author's personal website immediately>>Author's post-print on institutional repository or funder designated repository after 12 months embargo from first online publication>>La versión de editor/PDF no puede utilizarse>>La fuente editorial debe reconocerse>>Debe enlazar a la versión de editor con DOI>>Post-prints are subject to Springer Nature re-use terms* Link a Sherpa: http://sherpa.ac.uk/romeo/issn/0103-9733/es/


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Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)