The ANC of 16O states from 7Be + 12C 𝛼-transfer reaction to study 12C(𝛼,𝛾)16O

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1-s2.0-S0370269325005969-main.pdf (1.3 MB)

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2025

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Ciencias Integradas

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Center

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https://hdl.handle.net/10272/27639

DOI

10.1016/j.physletb.2025.139836

Abstract

We measured the angular distributions for the 12C(7Be,3He)16O transfer reaction at 35MeV leading to several excited states of 16O. The angular distribution of the ground state of 16O was measured for the first time in this reaction. The corresponding Asymptotic Normalization Coefficients (ANC) of all the observed states were determined. The ANC of ground state, 6.92MeV (2+) and 7.12MeV (1−) subthreshold states of 16O obtained from this work are utilized to determine the astrophysical 𝐸1 and 𝐸2 𝑆-factors of the 12C(𝛼,𝛾)16O reaction in an 𝑅-matrix analysis.

Keywords

Stellar helium burning; Transfer reactions; ANC

Unesco Subjects

2207 Física Atómica y Nuclear 2212 Física Teórica

Bibliographic citation

Kundalia, K., Gupta, D., Ali, S. M., Mitra, R., Saha, S. K., Tengblad, O., Perea, A., Martel, I., Cederkall, J., & Moro, A. M. (2025). The ANC of 16O states from 7Be + 12C 𝛼-transfer reaction to study 12C(𝛼,𝛾)16O. Physics Letters B, 869, 139836. https://doi.org/10.1016/j.physletb.2025.139836

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