Astrophysical S-factor of the <SUP>12</SUP>C(α,γ) <SUP>16</SUP>O reaction at solar energies

H. Sadeghi; R. Ghasemi; H. Khalili

doi:10.1088/1674-1137/38/8/084101

Chinese Physics C> 2014, Vol. 38> Issue(8) : 084101 DOI: 10.1088/1674-1137/38/8/084101

Astrophysical S-factor of the ¹²C(α,γ) ¹⁶O reaction at solar energies

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The astrophysical S-factor of the ⁴He+¹²C radiative capture is calculated in the potential model at the energy range 0.1-2.0 MeV. Radiative capture ¹²C(α,γ) ¹⁶O is extremely relevant for the fate of massive stars and determines if the remnant of a supernova explosion becomes a black hole or a neutron star. Because this reaction occurs at low energies, the experimental measurements are very difficult and perhaps impossible. In this paper, radiative capture of the ¹²C(α,γ) ¹⁶O reaction at very low energies is taken as a case study. In comparison with other theoretical methods and available experimental data, good agreement is achieved for the astrophysical S-factor of this process.

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H. Sadeghi, R. Ghasemi and H. Khalili. Astrophysical S-factor of the ¹²C(α,γ) ¹⁶O reaction at solar energies[J]. Chinese Physics C, 2014, 38(8): 084101. doi: 10.1088/1674-1137/38/8/084101

H. Sadeghi, R. Ghasemi and H. Khalili. Astrophysical S-factor of the ¹²C(α,γ) ¹⁶O reaction at solar energies[J]. Chinese Physics C, 2014, 38(8): 084101. doi: 10.1088/1674-1137/38/8/084101 shu

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Received: 2013-09-29
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Astrophysical S-factor of the ¹²C(α,γ) ¹⁶O reaction at solar energies

Corresponding author: H. Sadeghi,

Received Date: 2013-09-29

Accepted Date: 1900-01-01

Available Online: 2014-08-05

Abstract: The astrophysical S-factor of the ⁴He+¹²C radiative capture is calculated in the potential model at the energy range 0.1-2.0 MeV. Radiative capture ¹²C(α,γ) ¹⁶O is extremely relevant for the fate of massive stars and determines if the remnant of a supernova explosion becomes a black hole or a neutron star. Because this reaction occurs at low energies, the experimental measurements are very difficult and perhaps impossible. In this paper, radiative capture of the ¹²C(α,γ) ¹⁶O reaction at very low energies is taken as a case study. In comparison with other theoretical methods and available experimental data, good agreement is achieved for the astrophysical S-factor of this process.

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Astrophysical S-factor of the ¹²C(α,γ) ¹⁶O reaction at solar energies

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Astrophysical S-factor of the ¹²C(α,γ) ¹⁶O reaction at solar energies

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Astrophysical S-factor of the 12C(α,γ) 16O reaction at solar energies

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Astrophysical S-factor of the 12C(α,γ) 16O reaction at solar energies

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Astrophysical S-factor of the ¹²C(α,γ) ¹⁶O reaction at solar energies

Astrophysical S-factor of the ¹²C(α,γ) ¹⁶O reaction at solar energies