Resonances in C 14 observed in the He 4 (10Be,α) Be 10 reaction

M. Freer; J. D. Malcolm; N. L. Achouri; N. I. Ashwood; D. W. Bardayan; S. M. Brown; W. N. Catford; K. A. Chipps; J. Cizewski; N. Curtis; K. L. Jones; T. Munoz-Britton; S. D. Pain; N. Soić; C. Wheldon; G. L. Wilson; V. A. Ziman

doi:10.1103/PhysRevC.90.054324

Resonances in C 14 observed in the He 4 (10Be,α) Be 10 reaction

M. Freer, J. D. Malcolm, N. L. Achouri, N. I. Ashwood, D. W. Bardayan, S. M. Brown, W. N. Catford, K. A. Chipps, J. Cizewski, N. Curtis, K. L. Jones, T. Munoz-Britton, S. D. Pain, N. Soić, C. Wheldon, G. L. Wilson, V. A. Ziman

School of Arts and Sciences, Physics & Astronomy

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Abstract

The α(Be10,α)Be10 resonant scattering reaction has been measured at nine Be10 beam energies from 25 to 48 MeV, scanning out resonances in C14 from excitation energies of 13 to 24 MeV. Angular distribution measurements were used to assign the spin and parity of 5- to resonances at Ex=18.82(2) and 19.67(2) MeV and 6+ at Ex=20.80(2) MeV. The data also strongly indicate a 3- resonance at 17.32(2) MeV. The systematic uncertainty on the excitation energies is 175 keV. An R-matrix analysis has been performed for the excitation energy range 16.5 to 22 MeV. The data are discussed in terms of cluster bands in C14.

Original language	English (US)
Article number	054324
Journal	Physical Review C - Nuclear Physics
Volume	90
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevC.90.054324
State	Published - Nov 19 2014

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1103/PhysRevC.90.054324

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Freer, M., Malcolm, J. D., Achouri, N. L., Ashwood, N. I., Bardayan, D. W., Brown, S. M., Catford, W. N., Chipps, K. A., Cizewski, J., Curtis, N., Jones, K. L., Munoz-Britton, T., Pain, S. D., Soić, N., Wheldon, C., Wilson, G. L., & Ziman, V. A. (2014). Resonances in C 14 observed in the He 4 (10Be,α) Be 10 reaction. Physical Review C - Nuclear Physics, 90(5), [054324]. https://doi.org/10.1103/PhysRevC.90.054324

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title = "Resonances in C 14 observed in the He 4 (10Be,α) Be 10 reaction",

abstract = "The α(Be10,α)Be10 resonant scattering reaction has been measured at nine Be10 beam energies from 25 to 48 MeV, scanning out resonances in C14 from excitation energies of 13 to 24 MeV. Angular distribution measurements were used to assign the spin and parity of 5- to resonances at Ex=18.82(2) and 19.67(2) MeV and 6+ at Ex=20.80(2) MeV. The data also strongly indicate a 3- resonance at 17.32(2) MeV. The systematic uncertainty on the excitation energies is 175 keV. An R-matrix analysis has been performed for the excitation energy range 16.5 to 22 MeV. The data are discussed in terms of cluster bands in C14.",

author = "M. Freer and Malcolm, {J. D.} and Achouri, {N. L.} and Ashwood, {N. I.} and Bardayan, {D. W.} and Brown, {S. M.} and Catford, {W. N.} and Chipps, {K. A.} and J. Cizewski and N. Curtis and Jones, {K. L.} and T. Munoz-Britton and Pain, {S. D.} and N. Soi{\'c} and C. Wheldon and Wilson, {G. L.} and Ziman, {V. A.}",

note = "Publisher Copyright: {\textcopyright} 2014 American Physical Society.",

year = "2014",

month = nov,

day = "19",

doi = "10.1103/PhysRevC.90.054324",

language = "English (US)",

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Freer, M, Malcolm, JD, Achouri, NL, Ashwood, NI, Bardayan, DW, Brown, SM, Catford, WN, Chipps, KA, Cizewski, J, Curtis, N, Jones, KL, Munoz-Britton, T, Pain, SD, Soić, N, Wheldon, C, Wilson, GL & Ziman, VA 2014, 'Resonances in C 14 observed in the He 4 (10Be,α) Be 10 reaction', Physical Review C - Nuclear Physics, vol. 90, no. 5, 054324. https://doi.org/10.1103/PhysRevC.90.054324

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T1 - Resonances in C 14 observed in the He 4 (10Be,α) Be 10 reaction

AU - Freer, M.

AU - Malcolm, J. D.

AU - Achouri, N. L.

AU - Ashwood, N. I.

AU - Bardayan, D. W.

AU - Brown, S. M.

AU - Catford, W. N.

AU - Chipps, K. A.

AU - Cizewski, J.

AU - Curtis, N.

AU - Jones, K. L.

AU - Munoz-Britton, T.

AU - Pain, S. D.

AU - Soić, N.

AU - Wheldon, C.

AU - Wilson, G. L.

AU - Ziman, V. A.

PY - 2014/11/19

Y1 - 2014/11/19

N2 - The α(Be10,α)Be10 resonant scattering reaction has been measured at nine Be10 beam energies from 25 to 48 MeV, scanning out resonances in C14 from excitation energies of 13 to 24 MeV. Angular distribution measurements were used to assign the spin and parity of 5- to resonances at Ex=18.82(2) and 19.67(2) MeV and 6+ at Ex=20.80(2) MeV. The data also strongly indicate a 3- resonance at 17.32(2) MeV. The systematic uncertainty on the excitation energies is 175 keV. An R-matrix analysis has been performed for the excitation energy range 16.5 to 22 MeV. The data are discussed in terms of cluster bands in C14.

AB - The α(Be10,α)Be10 resonant scattering reaction has been measured at nine Be10 beam energies from 25 to 48 MeV, scanning out resonances in C14 from excitation energies of 13 to 24 MeV. Angular distribution measurements were used to assign the spin and parity of 5- to resonances at Ex=18.82(2) and 19.67(2) MeV and 6+ at Ex=20.80(2) MeV. The data also strongly indicate a 3- resonance at 17.32(2) MeV. The systematic uncertainty on the excitation energies is 175 keV. An R-matrix analysis has been performed for the excitation energy range 16.5 to 22 MeV. The data are discussed in terms of cluster bands in C14.

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Resonances in C 14 observed in the He 4 (10Be,α) Be 10 reaction

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