Properties of the 12C 10 MeV state determined through β-decay

C. Aa Diget; F. C. Barker; M. J G Borge; J. Cederkäll; V. N. Fedosseev; L. M. Fraile; B. R. Fulton; H. O U Fynbo; H. B. Jeppesen; B. Jonson; U. Köster; M. Meister; T. Nilsson; G. Nyman; Y. Prezado; K. Riisager; S. Rinta-Antila; O. Tengblad; M. Turrion; K. Wilhelmsen; J. Äystö

doi:10.1016/j.nuclphysa.2005.05.159

Properties of the 12C 10 MeV state determined through β-decay

C. Aa Diget, F. C. Barker, M. J G Borge, J. Cederkäll, V. N. Fedosseev, L. M. Fraile, B. R. Fulton, H. O U Fynbo, H. B. Jeppesen, B. Jonson, U. Köster, M. Meister, T. Nilsson, G. Nyman, Y. Prezado, K. Riisager, S. Rinta-Antila, O. Tengblad, M. Turrion, K. WilhelmsenJ. Äystö

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

Abstract

The β-delayed triple-α particle decay of ¹²B has been measured with a setup that favours coincidence detection. A broad state in ¹²C, previously reported around 10 MeV, has been seen and its properties determined through R-matrix analysis of the excitation spectrum. The spin and parity are 0⁺. Interference between this state and the Hoyle state at 7.654 MeV has a marked influence on the spectrum. The coupling between the two states makes it difficult to determine the resonance energy.

Original language	English
Pages (from-to)	3-18
Number of pages	16
Journal	Nuclear Physics A
Volume	760
Issue number	1-2
DOIs	https://doi.org/10.1016/j.nuclphysa.2005.05.159
Publication status	Published - 2005 Oct 3
Externally published	Yes

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Radioactivity

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10.1016/j.nuclphysa.2005.05.159

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Diget, C. A., Barker, F. C., Borge, M. J. G., Cederkäll, J., Fedosseev, V. N., Fraile, L. M., Fulton, B. R., Fynbo, H. O. U., Jeppesen, H. B., Jonson, B., Köster, U., Meister, M., Nilsson, T., Nyman, G., Prezado, Y., Riisager, K., Rinta-Antila, S., Tengblad, O., Turrion, M., ... Äystö, J. (2005). Properties of the 12C 10 MeV state determined through β-decay. Nuclear Physics A, 760(1-2), 3-18. https://doi.org/10.1016/j.nuclphysa.2005.05.159

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title = "Properties of the 12C 10 MeV state determined through β-decay",

abstract = "The β-delayed triple-α particle decay of 12B has been measured with a setup that favours coincidence detection. A broad state in 12C, previously reported around 10 MeV, has been seen and its properties determined through R-matrix analysis of the excitation spectrum. The spin and parity are 0+. Interference between this state and the Hoyle state at 7.654 MeV has a marked influence on the spectrum. The coupling between the two states makes it difficult to determine the resonance energy.",

keywords = "Radioactivity",

author = "Diget, {C. Aa} and Barker, {F. C.} and Borge, {M. J G} and J. Cederk{\"a}ll and Fedosseev, {V. N.} and Fraile, {L. M.} and Fulton, {B. R.} and Fynbo, {H. O U} and Jeppesen, {H. B.} and B. Jonson and U. K{\"o}ster and M. Meister and T. Nilsson and G. Nyman and Y. Prezado and K. Riisager and S. Rinta-Antila and O. Tengblad and M. Turrion and K. Wilhelmsen and J. {\"A}yst{\"o}",

year = "2005",

month = oct,

day = "3",

doi = "10.1016/j.nuclphysa.2005.05.159",

language = "English",

volume = "760",

pages = "3--18",

journal = "Nuclear Physics A",

issn = "0375-9474",

publisher = "Elsevier",

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Diget, CA, Barker, FC, Borge, MJG, Cederkäll, J, Fedosseev, VN, Fraile, LM, Fulton, BR, Fynbo, HOU, Jeppesen, HB, Jonson, B, Köster, U, Meister, M, Nilsson, T, Nyman, G, Prezado, Y, Riisager, K, Rinta-Antila, S, Tengblad, O, Turrion, M, Wilhelmsen, K & Äystö, J 2005, 'Properties of the 12C 10 MeV state determined through β-decay', Nuclear Physics A, vol. 760, no. 1-2, pp. 3-18. https://doi.org/10.1016/j.nuclphysa.2005.05.159

TY - JOUR

T1 - Properties of the 12C 10 MeV state determined through β-decay

AU - Diget, C. Aa

AU - Barker, F. C.

AU - Borge, M. J G

AU - Cederkäll, J.

AU - Fedosseev, V. N.

AU - Fraile, L. M.

AU - Fulton, B. R.

AU - Fynbo, H. O U

AU - Jeppesen, H. B.

AU - Jonson, B.

AU - Köster, U.

AU - Meister, M.

AU - Nilsson, T.

AU - Nyman, G.

AU - Prezado, Y.

AU - Riisager, K.

AU - Rinta-Antila, S.

AU - Tengblad, O.

AU - Turrion, M.

AU - Wilhelmsen, K.

AU - Äystö, J.

PY - 2005/10/3

Y1 - 2005/10/3

N2 - The β-delayed triple-α particle decay of 12B has been measured with a setup that favours coincidence detection. A broad state in 12C, previously reported around 10 MeV, has been seen and its properties determined through R-matrix analysis of the excitation spectrum. The spin and parity are 0+. Interference between this state and the Hoyle state at 7.654 MeV has a marked influence on the spectrum. The coupling between the two states makes it difficult to determine the resonance energy.

AB - The β-delayed triple-α particle decay of 12B has been measured with a setup that favours coincidence detection. A broad state in 12C, previously reported around 10 MeV, has been seen and its properties determined through R-matrix analysis of the excitation spectrum. The spin and parity are 0+. Interference between this state and the Hoyle state at 7.654 MeV has a marked influence on the spectrum. The coupling between the two states makes it difficult to determine the resonance energy.

KW - Radioactivity

UR - http://www.scopus.com/inward/record.url?scp=23944495274&partnerID=8YFLogxK

U2 - 10.1016/j.nuclphysa.2005.05.159

DO - 10.1016/j.nuclphysa.2005.05.159

M3 - Article

AN - SCOPUS:23944495274

SN - 0375-9474

VL - 760

SP - 3

EP - 18

JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 1-2

ER -

Properties of the 12C 10 MeV state determined through β-decay

Abstract

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