Fusion reactions with the one-neutron halo nucleus C15

M. Alcorta; K. E. Rehm; B. B. Back; S. Bedoor; P. F. Bertone; C. M. Deibel; B. Digiovine; H. Esbensen; J. P. Greene; C. R. Hoffmann; C. L. Jiang; J. C. Lighthall; S. T. Marley; R. C. Pardo; M. Paul; A. M. Rogers; C. Ugalde; A. H. Wuosmaa

doi:10.1103/PhysRevLett.106.172701

Fusion reactions with the one-neutron halo nucleus C15

M. Alcorta^*, K. E. Rehm, B. B. Back, S. Bedoor, P. F. Bertone, C. M. Deibel, B. Digiovine, H. Esbensen, J. P. Greene, C. R. Hoffmann, C. L. Jiang, J. C. Lighthall, S. T. Marley, R. C. Pardo, M. Paul, A. M. Rogers, C. Ugalde, A. H. Wuosmaa

^*Corresponding author for this work

Racah Institute of Physics

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

38 Scopus citations

Abstract

The structure of C15, with an s_1/2 neutron weakly bound to a closed-neutron shell nucleus C14, makes it a prime candidate for a one-neutron halo nucleus. We have for the first time studied the cross section for the fusion-fission reaction C15+Th232 at energies in the vicinity of the Coulomb barrier and compared it to the yield of the neighboring C14+Th232 system measured in the same experiment. At sub-barrier energies, an enhancement of the fusion yield by factors of 2-5 was observed for C15, while the cross sections for C14 match the trends measured for C12,13.

Original language	English
Article number	172701
Journal	Physical Review Letters
Volume	106
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.106.172701
State	Published - 28 Apr 2011

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Alcorta, M., Rehm, K. E., Back, B. B., Bedoor, S., Bertone, P. F., Deibel, C. M., Digiovine, B., Esbensen, H., Greene, J. P., Hoffmann, C. R., Jiang, C. L., Lighthall, J. C., Marley, S. T., Pardo, R. C., Paul, M., Rogers, A. M., Ugalde, C., & Wuosmaa, A. H. (2011). Fusion reactions with the one-neutron halo nucleus C15. Physical Review Letters, 106(17), Article 172701. https://doi.org/10.1103/PhysRevLett.106.172701

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title = "Fusion reactions with the one-neutron halo nucleus C15",

abstract = "The structure of C15, with an s1/2 neutron weakly bound to a closed-neutron shell nucleus C14, makes it a prime candidate for a one-neutron halo nucleus. We have for the first time studied the cross section for the fusion-fission reaction C15+Th232 at energies in the vicinity of the Coulomb barrier and compared it to the yield of the neighboring C14+Th232 system measured in the same experiment. At sub-barrier energies, an enhancement of the fusion yield by factors of 2-5 was observed for C15, while the cross sections for C14 match the trends measured for C12,13.",

author = "M. Alcorta and Rehm, {K. E.} and Back, {B. B.} and S. Bedoor and Bertone, {P. F.} and Deibel, {C. M.} and B. Digiovine and H. Esbensen and Greene, {J. P.} and Hoffmann, {C. R.} and Jiang, {C. L.} and Lighthall, {J. C.} and Marley, {S. T.} and Pardo, {R. C.} and M. Paul and Rogers, {A. M.} and C. Ugalde and Wuosmaa, {A. H.}",

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Alcorta, M, Rehm, KE, Back, BB, Bedoor, S, Bertone, PF, Deibel, CM, Digiovine, B, Esbensen, H, Greene, JP, Hoffmann, CR, Jiang, CL, Lighthall, JC, Marley, ST, Pardo, RC, Paul, M, Rogers, AM, Ugalde, C & Wuosmaa, AH 2011, 'Fusion reactions with the one-neutron halo nucleus C15', Physical Review Letters, vol. 106, no. 17, 172701. https://doi.org/10.1103/PhysRevLett.106.172701

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T1 - Fusion reactions with the one-neutron halo nucleus C15

AU - Alcorta, M.

AU - Rehm, K. E.

AU - Back, B. B.

AU - Bedoor, S.

AU - Bertone, P. F.

AU - Deibel, C. M.

AU - Digiovine, B.

AU - Esbensen, H.

AU - Greene, J. P.

AU - Hoffmann, C. R.

AU - Jiang, C. L.

AU - Lighthall, J. C.

AU - Marley, S. T.

AU - Pardo, R. C.

AU - Paul, M.

AU - Rogers, A. M.

AU - Ugalde, C.

AU - Wuosmaa, A. H.

PY - 2011/4/28

Y1 - 2011/4/28

N2 - The structure of C15, with an s1/2 neutron weakly bound to a closed-neutron shell nucleus C14, makes it a prime candidate for a one-neutron halo nucleus. We have for the first time studied the cross section for the fusion-fission reaction C15+Th232 at energies in the vicinity of the Coulomb barrier and compared it to the yield of the neighboring C14+Th232 system measured in the same experiment. At sub-barrier energies, an enhancement of the fusion yield by factors of 2-5 was observed for C15, while the cross sections for C14 match the trends measured for C12,13.

AB - The structure of C15, with an s1/2 neutron weakly bound to a closed-neutron shell nucleus C14, makes it a prime candidate for a one-neutron halo nucleus. We have for the first time studied the cross section for the fusion-fission reaction C15+Th232 at energies in the vicinity of the Coulomb barrier and compared it to the yield of the neighboring C14+Th232 system measured in the same experiment. At sub-barrier energies, an enhancement of the fusion yield by factors of 2-5 was observed for C15, while the cross sections for C14 match the trends measured for C12,13.

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Fusion reactions with the one-neutron halo nucleus C15

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