N. Keeley
Florida State University
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Featured researches published by N. Keeley.
Nuclear Physics | 2003
N. Keeley; K. W. Kemper; Dao T. Khoa
Abstract The value of the α spectroscopic factor ( S α ) of the 6.356xa0MeV 1/2 + state of 17 O is believed to have significant astrophysical implications due to the importance of the 13 C( α , n ) 16 O reaction as a possible source of neutron production for the s process. To further study this effect, an accurate measurement of the 13 C( 6 Li,xa0 d ) 17 O reaction at E lab =60xa0MeV has been performed recently by Kubono et al., who found a new value for the spectroscopic factor of the 6.356xa0MeV 1/2 + state of 17 O based on a distorted wave Born approximation (DWBA) analysis of these data. This new value, S α ≈0.011, is surprisingly much smaller than those used previously in astrophysical calculations ( S α ≈0.3–0.7) and thus poses a serious question as to the role of the 13 C( α , n ) 16 O reaction as a source of neutron production. In this work we perform a detailed analysis of the same 13 C( 6 Li,xa0 d ) 17 O data within the DWBA as well as the coupled reaction channel (CRC) formalism. Our analysis yields an S α value of over an order of magnitude larger than that of Kubono et al., for the 6.356xa0MeV 1/2 + state of 17 O.
Physical Review C | 2003
L. A. Riley; P. D. Cottle; M. Brown-Hayes; W. T. Cluff; J. D. Fox; N. Keeley; F. W. Letson; R. A. Kaye; Kirby W. Kemper; M. T. McEllistrem; S. L. Tabor; J. M. Thompson; D. Walker
We report a measurement of the lifetime of the
Nuclear Physics | 2003
N. Keeley; K. W. Kemper; K. Rusek
{2}_{1}^{+}
Progress in Particle and Nuclear Physics | 2009
N. Keeley; N. Alamanos; Kirby W. Kemper; K. Rusek
state in
Physical Review C | 2003
K. Rusek; N. Keeley; Kirby W. Kemper; Riccardo Raabe
^{18}mathrm{Ne}
Physical Review C | 2001
N. Keeley; K. W. Kemper; K. Rusek
using the Doppler shift attenuation method, the
Physical Review C | 2015
M. Vandebrouck; J. Gibelin; E. Khan; N. L. Achouri; Hidetada Baba; D. Beaumel; Y Blumenfeld; M. Caamaño; L. Caceres; G. Colò; F. Delaunay; B. Fernandez-Dominguez; U. Garg; G. F. Grinyer; Mohsen Harakeh; N. Kalantar-Nayestanaki; N. Keeley; W. Mittig; J Pancin; R. Raabe; T. Roger; P. Roussel-Chomaz; H. Savajols; O. Sorlin; Ch. Stodel; D. Suzuki; J. C. Thomas
^{3}mathrm{He}(^{16}mathrm{O},n)
Physical Review C | 2005
N. Keeley; N. Alamanos; K. Rusek; K. W. Kemper
reaction, and large volume germanium
Physical Review C | 2015
M. Vandebrouck; J. Gibelin; E. Khan; N. L. Achouri; Hidetada Baba; D. Beaumel; Y. Blumenfeld; M. Caamaño; L. Caceres; G. Colò; F. Delaunay; B. Fernández-Domínguez; U. Garg; G. F. Grinyer; Mohsen Harakeh; N. Kalantar-Nayestanaki; N. Keeley; W. Mittig; J Pancin; R. Raabe; T. Roger; P. Roussel-Chomaz; H. Savajols; O. Sorlin; C. Stodel; D. Suzuki; J. C. Thomas
ensuremath{gamma}
Physical Review C | 2001
E. E. Bartosz; N. Keeley; P. D. Cathers; M. W. Cooper; K. W. Kemper; F. Maréchal; K. Rusek
-ray detectors of the ``clover design. The present measurement gives a