Resonances in 11C observed in the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions

M. Freer; N. L. Achouri; C. Angulo; N. I. Ashwood; D. W. Bardayan; S. Brown; W. N. Catford; K. A. Chipps; N. Curtis; P. Demaret; C. Harlin; B. Laurent; J. D. Malcolm; M. Milin; T. Munoz-Britton; N. A. Orr; S. D. Pain; D. Price; R. Raabe; N. Soić; J. S. Thomas; C. Wheldon; G. Wilson; V. A. Ziman

doi:10.1103/PhysRevC.85.014304

Resonances in 11C observed in the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions

M. Freer
, N. L. Achouri
, C. Angulo
, N. I. Ashwood
, D. W. Bardayan
, S. Brown
, W. N. Catford
, K. A. Chipps
, N. Curtis
, P. Demaret
, C. Harlin
, B. Laurent
, J. D. Malcolm
, M. Milin
, T. Munoz-Britton
, N. A. Orr
, S. D. Pain
, D. Price
, R. Raabe
, N. Soić

J. S. Thomas, C. Wheldon, G. Wilson, V. A. Ziman

Nuclear Structure and Nuclear Astrophysi

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

Abstract

Measurements of the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions were performed using 7Be beam energies of 7.1 and 23 MeV and a helium-4 target, employing the thick target technique. Resonances were observed between E _x ⁽11C)=8.6 to 13.8 MeV. An R-matrix analysis was performed to characterize the spins and partial widths. This analysis showed that the observed sequence of states was consistent with that found for 7Li + α resonant scattering populating resonances in 11B. A comparison of the proposed partial widths for decay with the Wigner limit indicates that several of the states are associated with cluster-like structures.

Original language	English
Article number	014304
Journal	Physical Review C - Nuclear Physics
Volume	85
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.85.014304
State	Published - Jan 6 2012

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Freer, M., Achouri, N. L., Angulo, C., Ashwood, N. I., Bardayan, D. W., Brown, S., Catford, W. N., Chipps, K. A., Curtis, N., Demaret, P., Harlin, C., Laurent, B., Malcolm, J. D., Milin, M., Munoz-Britton, T., Orr, N. A., Pain, S. D., Price, D., Raabe, R., ... Ziman, V. A. (2012). Resonances in 11C observed in the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions. Physical Review C - Nuclear Physics, 85(1), Article 014304. https://doi.org/10.1103/PhysRevC.85.014304

@article{27fd4d63e0f54de89c9e0e90300a1b2e,

title = "Resonances in 11C observed in the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions",

abstract = "Measurements of the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions were performed using 7Be beam energies of 7.1 and 23 MeV and a helium-4 target, employing the thick target technique. Resonances were observed between E x (11C)=8.6 to 13.8 MeV. An R-matrix analysis was performed to characterize the spins and partial widths. This analysis showed that the observed sequence of states was consistent with that found for 7Li + α resonant scattering populating resonances in 11B. A comparison of the proposed partial widths for decay with the Wigner limit indicates that several of the states are associated with cluster-like structures.",

author = "M. Freer and Achouri, \{N. L.\} and C. Angulo and Ashwood, \{N. I.\} and Bardayan, \{D. W.\} and S. Brown and Catford, \{W. N.\} and Chipps, \{K. A.\} and N. Curtis and P. Demaret and C. Harlin and B. Laurent and Malcolm, \{J. D.\} and M. Milin and T. Munoz-Britton and Orr, \{N. A.\} and Pain, \{S. D.\} and D. Price and R. Raabe and N. Soi{\'c} and Thomas, \{J. S.\} and C. Wheldon and G. Wilson and Ziman, \{V. A.\}",

year = "2012",

month = jan,

day = "6",

doi = "10.1103/PhysRevC.85.014304",

language = "English",

volume = "85",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

number = "1",

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Freer, M, Achouri, NL, Angulo, C, Ashwood, NI, Bardayan, DW, Brown, S, Catford, WN, Chipps, KA, Curtis, N, Demaret, P, Harlin, C, Laurent, B, Malcolm, JD, Milin, M, Munoz-Britton, T, Orr, NA, Pain, SD, Price, D, Raabe, R, Soić, N, Thomas, JS, Wheldon, C, Wilson, G & Ziman, VA 2012, 'Resonances in 11C observed in the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions', Physical Review C - Nuclear Physics, vol. 85, no. 1, 014304. https://doi.org/10.1103/PhysRevC.85.014304

TY - JOUR

T1 - Resonances in 11C observed in the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions

AU - Freer, M.

AU - Achouri, N. L.

AU - Angulo, C.

AU - Ashwood, N. I.

AU - Bardayan, D. W.

AU - Brown, S.

AU - Catford, W. N.

AU - Chipps, K. A.

AU - Curtis, N.

AU - Demaret, P.

AU - Harlin, C.

AU - Laurent, B.

AU - Malcolm, J. D.

AU - Milin, M.

AU - Munoz-Britton, T.

AU - Orr, N. A.

AU - Pain, S. D.

AU - Price, D.

AU - Raabe, R.

AU - Soić, N.

AU - Thomas, J. S.

AU - Wheldon, C.

AU - Wilson, G.

AU - Ziman, V. A.

PY - 2012/1/6

Y1 - 2012/1/6

N2 - Measurements of the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions were performed using 7Be beam energies of 7.1 and 23 MeV and a helium-4 target, employing the thick target technique. Resonances were observed between E x (11C)=8.6 to 13.8 MeV. An R-matrix analysis was performed to characterize the spins and partial widths. This analysis showed that the observed sequence of states was consistent with that found for 7Li + α resonant scattering populating resonances in 11B. A comparison of the proposed partial widths for decay with the Wigner limit indicates that several of the states are associated with cluster-like structures.

AB - Measurements of the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions were performed using 7Be beam energies of 7.1 and 23 MeV and a helium-4 target, employing the thick target technique. Resonances were observed between E x (11C)=8.6 to 13.8 MeV. An R-matrix analysis was performed to characterize the spins and partial widths. This analysis showed that the observed sequence of states was consistent with that found for 7Li + α resonant scattering populating resonances in 11B. A comparison of the proposed partial widths for decay with the Wigner limit indicates that several of the states are associated with cluster-like structures.

UR - https://www.scopus.com/pages/publications/84863416933

U2 - 10.1103/PhysRevC.85.014304

DO - 10.1103/PhysRevC.85.014304

M3 - Article

AN - SCOPUS:84863416933

SN - 0556-2813

VL - 85

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 1

M1 - 014304

ER -

Resonances in 11C observed in the 4He(7Be,α)7Be and 4He(7Be,p)10B reactions

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