A newly observed state in 12C-characterisation and consequences

D. J. Marín-Lámbarri; M. Freer; Tzanka Kokalova Wheldon; C. Wheldon; D. J. Parker

doi:10.1088/1742-6596/569/1/012071

A newly observed state in ¹²C-characterisation and consequences

D. J. Marín-Lámbarri, M. Freer, Tzanka Kokalova Wheldon, C. Wheldon, D. J. Parker

Physics and Astronomy

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Abstract

Measurements of the ¹²C(⁴He,⁴He)¹²C∗ reaction at 40 MeV were performed using a charged-particle detector array composed of four double-sided silicon strip detectors. Resonances in ¹² C were reconstructed with the requirement that the a-decay proceeded first via the ⁸ Be ground state. Of primary significance was the population of the 13.3 and 22.4 MeV resonances, the latter, observed for the first time in this measurement. By using the angular correlation technique the spins of the resonances, have been established as J^π 4⁺ and J^π=5^- respectively.

Original language	English
Article number	012071
Journal	Journal of Physics: Conference Series
Volume	569
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/569/1/012071
Publication status	Published - 8 Dec 2014

ASJC Scopus subject areas

General Physics and Astronomy

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Cite this

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title = "A newly observed state in 12C-characterisation and consequences",

abstract = "Measurements of the 12C(4He,4He)12C∗ reaction at 40 MeV were performed using a charged-particle detector array composed of four double-sided silicon strip detectors. Resonances in 12 C were reconstructed with the requirement that the a-decay proceeded first via the 8 Be ground state. Of primary significance was the population of the 13.3 and 22.4 MeV resonances, the latter, observed for the first time in this measurement. By using the angular correlation technique the spins of the resonances, have been established as Jπ 4+ and Jπ=5- respectively.",

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AU - Marín-Lámbarri, D. J.

AU - Freer, M.

AU - Kokalova Wheldon, Tzanka

AU - Wheldon, C.

AU - Parker, D. J.

PY - 2014/12/8

Y1 - 2014/12/8

N2 - Measurements of the 12C(4He,4He)12C∗ reaction at 40 MeV were performed using a charged-particle detector array composed of four double-sided silicon strip detectors. Resonances in 12 C were reconstructed with the requirement that the a-decay proceeded first via the 8 Be ground state. Of primary significance was the population of the 13.3 and 22.4 MeV resonances, the latter, observed for the first time in this measurement. By using the angular correlation technique the spins of the resonances, have been established as Jπ 4+ and Jπ=5- respectively.

AB - Measurements of the 12C(4He,4He)12C∗ reaction at 40 MeV were performed using a charged-particle detector array composed of four double-sided silicon strip detectors. Resonances in 12 C were reconstructed with the requirement that the a-decay proceeded first via the 8 Be ground state. Of primary significance was the population of the 13.3 and 22.4 MeV resonances, the latter, observed for the first time in this measurement. By using the angular correlation technique the spins of the resonances, have been established as Jπ 4+ and Jπ=5- respectively.

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