Mass spectroscopy of13Be

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1992 English Publisher:Springer Science and Business Media LLCJournal:Zeitschrift für Physik A Hadrons and Nuclei, volume 343, pages 489-490 (issn: 0939-7922,

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Authors: A. N. Ostrowski; H. G. Bohlen; A. S. Demyanova; B. Gebauer; R. Kalpakchieva; Ch. Langner; H. Lenske; +6 Authors

doi: 10.1007/bf01289828

Mass spectroscopy of13Be

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Abstract

The mass of13Be has been measured with the reaction13C(14C,14O)13Be at ELab=337 MeV. A Q-value of Q0=−37.02(5) MeV was obtained and the mass excess is M.E.=35.16(5) MeV. If the observed line corresponds to the ground state,13 Be is particle unstable with respect to the oneneutron emission by 2.01 MeV. The observed line width of 0.3(2) MeV supports an assignment ofJπ=5/2+ or 1/2−, but excludesJπ=1/2+. An excited state is seen at 3.12(7) MeV; there are indications of a second excited state at 6.5(2) MeV.

Related Organizations

Helmholtz Association of German Research Centres
Germany
Kurchatov Institute
Russian Federation
Helmholtz-Zentrum Berlin für Materialien und Energie
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Ludwig-Maximilians-Universität München
Germany
Joint Institute for Nuclear Research
Russian Federation

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