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Phys. Rev. C 72, 037601 (2005) [3 pages]

Search for particle-bound 26O and 28F in p-stripping reactions

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A. Schiller1 *, T. Baumann1, J. Dietrich1 †, S. Kaiser1 †, W. Peters1,2, and M. Thoennessen1,2
1National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
2Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan 48824, USA

Received 5 April 2005; published 15 September 2005

We have searched for particle-bound 26O and 28F isotopes in the reaction products of secondary 27F and 29Ne beams, respectively. No events have been observed. Upper limits of 3.3 mb and 1.2 mb for the respective production cross sections of 26O and 28F by one p-stripping reactions are established. Since in the case of 28F, this upper limit is sufficiently small compared to common estimates, we conclude that 28F is most likely unbound. For the case of 26O, our result is not statistically significant, thus, the question cannot be answered whether 26O is a particle-unbound nucleus or not.


©2005 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.72.037601
DOI: 10.1103/PhysRevC.72.037601
PACS: 21.10.Dr, 25.60.Dz, 27.30.+t

* Electronic address: schiller@nscl.msu.edusc
† Permanent address: Institut für Kern- und Teilchenphysik, Technische Universität Dresden, D-01069 Dresden, Germany.

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