α decay of the excited states in 12C at 7.65 and 9.64 MeV

J. Manfredi; R. J. Charity; K. Mercurio; R. Shane; L. G. Sobotka; A. H. Wuosmaa; A. Banu; L. Trache; R. E. Tribble

doi:10.1103/PhysRevC.85.037603

α decay of the excited states in 12C at 7.65 and 9.64 MeV

J. Manfredi
, R. J. Charity
, K. Mercurio
, R. Shane
, L. G. Sobotka
, A. H. Wuosmaa
, A. Banu
, L. Trache
, R. E. Tribble

Department of Chemistry

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

61 Scopus citations

Abstract

High-resolution triple-α coincidence data were used to reconstruct the decay of the excited states in 12C at 7.65 MeV (Jπ=0⁺) and 9.64 MeV (Jπ=3^-). These data are consistent with the α-particle decay of both levels proceeding exclusively through 8Beg _.s.. In the first of these cases, the Hoyle state, an upper limit of 0.45% (at the 99.75% confidence level) is set for a component producing three nearly equal-energy α particles.

Original language	English
Article number	037603
Journal	Physical Review C - Nuclear Physics
Volume	85
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.85.037603
State	Published - Mar 26 2012

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10.1103/PhysRevC.85.037603

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title = "α decay of the excited states in 12C at 7.65 and 9.64 MeV",

abstract = "High-resolution triple-α coincidence data were used to reconstruct the decay of the excited states in 12C at 7.65 MeV (Jπ=0+) and 9.64 MeV (Jπ=3-). These data are consistent with the α-particle decay of both levels proceeding exclusively through 8Beg .s.. In the first of these cases, the Hoyle state, an upper limit of 0.45\% (at the 99.75\% confidence level) is set for a component producing three nearly equal-energy α particles.",

author = "J. Manfredi and Charity, \{R. J.\} and K. Mercurio and R. Shane and Sobotka, \{L. G.\} and Wuosmaa, \{A. H.\} and A. Banu and L. Trache and Tribble, \{R. E.\}",

year = "2012",

month = mar,

day = "26",

doi = "10.1103/PhysRevC.85.037603",

language = "English",

volume = "85",

journal = "Physical Review C - Nuclear Physics",

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TY - JOUR

T1 - α decay of the excited states in 12C at 7.65 and 9.64 MeV

AU - Manfredi, J.

AU - Charity, R. J.

AU - Mercurio, K.

AU - Shane, R.

AU - Sobotka, L. G.

AU - Wuosmaa, A. H.

AU - Banu, A.

AU - Trache, L.

AU - Tribble, R. E.

PY - 2012/3/26

Y1 - 2012/3/26

N2 - High-resolution triple-α coincidence data were used to reconstruct the decay of the excited states in 12C at 7.65 MeV (Jπ=0+) and 9.64 MeV (Jπ=3-). These data are consistent with the α-particle decay of both levels proceeding exclusively through 8Beg .s.. In the first of these cases, the Hoyle state, an upper limit of 0.45% (at the 99.75% confidence level) is set for a component producing three nearly equal-energy α particles.

AB - High-resolution triple-α coincidence data were used to reconstruct the decay of the excited states in 12C at 7.65 MeV (Jπ=0+) and 9.64 MeV (Jπ=3-). These data are consistent with the α-particle decay of both levels proceeding exclusively through 8Beg .s.. In the first of these cases, the Hoyle state, an upper limit of 0.45% (at the 99.75% confidence level) is set for a component producing three nearly equal-energy α particles.

UR - https://www.scopus.com/pages/publications/84859112257

U2 - 10.1103/PhysRevC.85.037603

DO - 10.1103/PhysRevC.85.037603

M3 - Article

AN - SCOPUS:84859112257

SN - 0556-2813

VL - 85

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 3

M1 - 037603

ER -

α decay of the excited states in 12C at 7.65 and 9.64 MeV

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