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Phys. Rev. Lett. 104, 132501 (2010) [4 pages]

First Experiment with HELIOS: The Structure of 13B

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B. B. Back1, S. I. Baker1, B. A. Brown2, C. M. Deibel1,3, S. J. Freeman4, B. J. DiGiovine1, C. R. Hoffman1, B. P. Kay1, H. Y. Lee1, J. C. Lighthall5, S. T. Marley5, R. C. Pardo1, K. E. Rehm1, J. P. Schiffer1,*, D. V. Shetty5, A. W. Vann5, J. Winkelbauer5, and A. H. Wuosmaa5
1Argonne National Laboratory, Argonne, Illinois 60439, USA
2Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
3Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, Michigan 48824, USA
4Schuster Laboratory, The University of Manchester, Manchester M13 9PL, United Kingdom
5Physics Department, Western Michigan University, Kalamazoo, Michigan 49008, USA

Received 1 February 2010; published 31 March 2010

See accompanying Physics Synopsis

A first experiment is reported that makes use of a new kind of spectrometer uniquely suited to the study of reactions with radioactive beams in inverse kinematics, the helical orbit spectrometer, HELIOS. The properties of some low-lying states in the neutron-rich N=8 nucleus 13B were studied with good resolution. From the measured angular distributions of the (d,​p) reaction and the relative spectroscopic factors, spin and configuration assignments of the first- and third-excited states of this nucleus can be constrained.

© 2010 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.104.132501
DOI:
10.1103/PhysRevLett.104.132501
PACS:
21.10.Jx, 25.60.Je, 27.20.+n, 29.38.-c

*schiffer@anl.gov

 
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