期刊
EUROPEAN PHYSICAL JOURNAL A
卷 48, 期 7, 页码 -出版社
SPRINGER
DOI: 10.1140/epja/i2012-12095-4
关键词
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资金
- GSI, via Hochschulzusammenarbeitsvereinbarungen
- German BMBF
- DFG cluster of excellence Origin and Structure of the Universe
- FBR08-02-012244
- EC [ERBCHGE-CT92-003]
- The Swedish Research Council
- Knut and Alice Wallenberg Foundation
- Ministerio de Ciencia e Innovacion [FPA2009-07387, FPA2009-14604-602-01]
- Spanish Ministerio de Educacion [FPU-AP2005-3308]
- Ministerio de Economia y Competitividad
- Fundacion Espanola de Ciencia y Tecnologia
- Galician Conselleria de Educacion e Ordenacion Universitaria
- Consolidacion e Estructuracion de Unidades Competitivas [2010/57]
One-neutron knockout reactions in a 9 Be target have been investigated at relativistic energies, near 700 MeV/u, for a set of sd-shell, neutron-rich nuclei. The experiment was performed in the FRS spectrometer, at GSI. gamma-ray measurements were carried out by means of the MINIBALL gamma-ray spectrometer and allowed the determination of partial cross-sections and branching ratios corresponding to the final states of the emerging knockout fragments. Experimental results are presented for C-17, N-19, O-21 and F-25 projectiles. The role of excited states of the N - 1 fragments in the composition of the ground state of these neutron-rich projectiles is outlined in this work.
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