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C-12+O-16 molecular resonances at deep sub-barrier energy

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Title: C-12+O-16 molecular resonances at deep sub-barrier energy
Authors: Taniguchi, Yasutaka Browse this author
Kimura, Masaaki Browse this author →KAKEN DB
Keywords: Molecular resonance
Nucleosynthesis
Astrophysics
Cluster structure
Issue Date: 10-Jan-2020
Publisher: Elsevier
Journal Title: Physics Letters B
Volume: 800
Start Page: 135086
Publisher DOI: 10.1016/j.physletb.2019.135086
Abstract: The existence of C-12 + O-16 molecular resonances at sub-barrier energy has been a significant problem in nuclear astrophysics because they strongly affect the C-12 + O-16 fusion reaction rate in type Ia supernovae and heavy stars. However, experimental surveys have been limited to 4 MeV and cannot access the deep sub-barrier energy due to a very small fusion cross section. Here we predict a couple of resonances with J(pi) = 0(+), 2(+), and 4(+) in the deep sub-barrier energy based on the antisymmetrized molecular dynamics calculation that reproduces the known resonances and low-lying spectrum of Si-28. (C) 2019 The Author(s). Published by Elsevier B.V.
Rights: http://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/76764
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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