Branching ratios in the beta decays of N-12 and B-12

S. Hyldegaard; Christian Aaen Diget; M. J. G. Borge; R. Boutami; P. Dendooven; T. Eronen; S. P. Fox; L. M. Fraile; B. R. Fulton; H. O. U. Fynbo; J. Huikari; H. B. Jeppesen; A. S. Jokinen; B. Jonson; A. Kankainen; I. Moore; G. Nyman; H. Penttila; K. Perajarvi; K. Riisager; S. Rinta-Antila; O. Tengblad; Y. Wang; K. Wilhelmsen; J. Aysto

doi:10.1103/PhysRevC.80.044304

Branching ratios in the beta decays of N-12 and B-12

S. Hyldegaard, Christian Aaen Diget, M. J. G. Borge, R. Boutami, P. Dendooven, T. Eronen, S. P. Fox, L. M. Fraile, B. R. Fulton, H. O. U. Fynbo, J. Huikari, H. B. Jeppesen, A. S. Jokinen, B. Jonson, A. Kankainen, I. Moore, G. Nyman, H. Penttila, K. Perajarvi, K. RiisagerS. Rinta-Antila, O. Tengblad, Y. Wang, K. Wilhelmsen, J. Aysto

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Abstract

Absolute branching ratios to unbound states in C-12 populated in the beta decays of N-12 and B-12 are reported. Clean sources of N-12 and B-12 were obtained using the isotope separation on-line (ISOL) method. The relative branching ratios to the different populated states were extracted using single-alpha as well as complete kinematics triple-alpha spectra. These two largely independent methods give consistent results. Absolute normalization is achieved via the precisely known absolute branching ratio to the bound 4.44 MeV state in C-12. The extracted branching ratios to the unbound states are a factor of three more precise than previous measurements. Branching ratios in the decay of Na-20 are also extracted and used to check the results.

Original language	English
Article number	044304
Pages (from-to)	-
Number of pages	7
Journal	Physical Review C
Volume	80
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevC.80.044304
Publication status	Published - 7 Oct 2009

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Hyldegaard, S., Diget, C. A., Borge, M. J. G., Boutami, R., Dendooven, P., Eronen, T., Fox, S. P., Fraile, L. M., Fulton, B. R., Fynbo, H. O. U., Huikari, J., Jeppesen, H. B., Jokinen, A. S., Jonson, B., Kankainen, A., Moore, I., Nyman, G., Penttila, H., Perajarvi, K., ... Aysto, J. (2009). Branching ratios in the beta decays of N-12 and B-12. Physical Review C, 80(4), -. Article 044304. https://doi.org/10.1103/PhysRevC.80.044304

@article{e25cb7a3354846b4bda74ad7f6b86e2e,

title = "Branching ratios in the beta decays of N-12 and B-12",

abstract = "Absolute branching ratios to unbound states in C-12 populated in the beta decays of N-12 and B-12 are reported. Clean sources of N-12 and B-12 were obtained using the isotope separation on-line (ISOL) method. The relative branching ratios to the different populated states were extracted using single-alpha as well as complete kinematics triple-alpha spectra. These two largely independent methods give consistent results. Absolute normalization is achieved via the precisely known absolute branching ratio to the bound 4.44 MeV state in C-12. The extracted branching ratios to the unbound states are a factor of three more precise than previous measurements. Branching ratios in the decay of Na-20 are also extracted and used to check the results.",

author = "S. Hyldegaard and Diget, {Christian Aaen} and Borge, {M. J. G.} and R. Boutami and P. Dendooven and T. Eronen and Fox, {S. P.} and Fraile, {L. M.} and Fulton, {B. R.} and Fynbo, {H. O. U.} and J. Huikari and Jeppesen, {H. B.} and Jokinen, {A. S.} and B. Jonson and A. Kankainen and I. Moore and G. Nyman and H. Penttila and K. Perajarvi and K. Riisager and S. Rinta-Antila and O. Tengblad and Y. Wang and K. Wilhelmsen and J. Aysto",

year = "2009",

month = oct,

day = "7",

doi = "10.1103/PhysRevC.80.044304",

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Hyldegaard, S, Diget, CA, Borge, MJG, Boutami, R, Dendooven, P, Eronen, T, Fox, SP, Fraile, LM, Fulton, BR, Fynbo, HOU, Huikari, J, Jeppesen, HB, Jokinen, AS, Jonson, B, Kankainen, A, Moore, I, Nyman, G, Penttila, H, Perajarvi, K, Riisager, K, Rinta-Antila, S, Tengblad, O, Wang, Y, Wilhelmsen, K & Aysto, J 2009, 'Branching ratios in the beta decays of N-12 and B-12', Physical Review C, vol. 80, no. 4, 044304, pp. -. https://doi.org/10.1103/PhysRevC.80.044304

TY - JOUR

T1 - Branching ratios in the beta decays of N-12 and B-12

AU - Hyldegaard, S.

AU - Diget, Christian Aaen

AU - Borge, M. J. G.

AU - Boutami, R.

AU - Dendooven, P.

AU - Eronen, T.

AU - Fox, S. P.

AU - Fraile, L. M.

AU - Fulton, B. R.

AU - Fynbo, H. O. U.

AU - Huikari, J.

AU - Jeppesen, H. B.

AU - Jokinen, A. S.

AU - Jonson, B.

AU - Kankainen, A.

AU - Moore, I.

AU - Nyman, G.

AU - Penttila, H.

AU - Perajarvi, K.

AU - Riisager, K.

AU - Rinta-Antila, S.

AU - Tengblad, O.

AU - Wang, Y.

AU - Wilhelmsen, K.

AU - Aysto, J.

PY - 2009/10/7

Y1 - 2009/10/7

N2 - Absolute branching ratios to unbound states in C-12 populated in the beta decays of N-12 and B-12 are reported. Clean sources of N-12 and B-12 were obtained using the isotope separation on-line (ISOL) method. The relative branching ratios to the different populated states were extracted using single-alpha as well as complete kinematics triple-alpha spectra. These two largely independent methods give consistent results. Absolute normalization is achieved via the precisely known absolute branching ratio to the bound 4.44 MeV state in C-12. The extracted branching ratios to the unbound states are a factor of three more precise than previous measurements. Branching ratios in the decay of Na-20 are also extracted and used to check the results.

AB - Absolute branching ratios to unbound states in C-12 populated in the beta decays of N-12 and B-12 are reported. Clean sources of N-12 and B-12 were obtained using the isotope separation on-line (ISOL) method. The relative branching ratios to the different populated states were extracted using single-alpha as well as complete kinematics triple-alpha spectra. These two largely independent methods give consistent results. Absolute normalization is achieved via the precisely known absolute branching ratio to the bound 4.44 MeV state in C-12. The extracted branching ratios to the unbound states are a factor of three more precise than previous measurements. Branching ratios in the decay of Na-20 are also extracted and used to check the results.

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DO - 10.1103/PhysRevC.80.044304

M3 - Article

SN - 0556-2813

VL - 80

SP - -

JO - Physical Review C

JF - Physical Review C

IS - 4

M1 - 044304

ER -

Branching ratios in the beta decays of N-12 and B-12

Abstract

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