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First Experiment with HELIOS: The Structure of B13

B. B. Back, S. I. Baker, B. A. Brown, C. M. Deibel, S. J. Freeman, B. J. DiGiovine, C. R. Hoffman, B. P. Kay, H. Y. Lee, J. C. Lighthall, S. T. Marley, R. C. Pardo, K. E. Rehm, J. P. Schiffer, D. V. Shetty, A. W. Vann, J. Winkelbauer, and A. H. Wuosmaa
Phys. Rev. Lett. 104, 132501 – Published 31 March 2010
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Abstract

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 B13 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.

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  • Received 1 February 2010

DOI:https://doi.org/10.1103/PhysRevLett.104.132501

©2010 American Physical Society

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Results from HELIOS

Published 2 April 2010

Argonne National Lab’s new spectrometer, designed to study reactions in short-lived nuclei, presents its first experiments.

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Authors & Affiliations

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

  • *schiffer@anl.gov

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Issue

Vol. 104, Iss. 13 — 2 April 2010

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