Explosive Nucleosynthesis in Astrophysics

CHEN Yong-Shou; SHU Neng-Chuan; WU Kai-Su

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2004, Vol. 28> Issue(12) : 1349-1355

Explosive Nucleosynthesis in Astrophysics

China Institute of Atomic Energy,Beijing 102413,China2 Institute of Theoretical Physics,CAS,Beijing 100080,China

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Abstract：
the nuclear processes in astrophysics are briefly reviewed, and the explosive hydrogen burning are addressed and calculated with some new reaction rates obtained from the most recent experimental data. We pointed out that the reaction flux from the hot pp–chain into the CNO cycle through the proton capture on ¹¹C may overcome the flux through the 3α process. the abundance of ¹⁸F calculated with the new rates of the ¹⁸F(p, γ) and (p,α) is 1.8 times larger than the previous one. The calculated results of the rp–process at the typical condition of the X-ray burst show that the abundances of the waiting point nuclei ⁸⁹Ru and ⁹³Pd, using the recent experimental β–decay life times, are about 4 times larger than the previous ones.

References

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CHEN Yong-Shou, SHU Neng-Chuan and WU Kai-Su. Explosive Nucleosynthesis in Astrophysics[J]. Chinese Physics C, 2004, 28(12): 1349-1355.

CHEN Yong-Shou, SHU Neng-Chuan and WU Kai-Su. Explosive Nucleosynthesis in Astrophysics[J]. Chinese Physics C, 2004, 28(12): 1349-1355. shu

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Received: 2003-11-29
Revised: 1900-01-01

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Explosive Nucleosynthesis in Astrophysics

Corresponding author: CHEN Yong-Shou,

China Institute of Atomic Energy,Beijing 102413,China2 Institute of Theoretical Physics,CAS,Beijing 100080,China

Received Date: 2003-11-29
Accepted Date: 1900-01-01
Available Online: 2004-12-05

Abstract: the nuclear processes in astrophysics are briefly reviewed, and the explosive hydrogen burning are addressed and calculated with some new reaction rates obtained from the most recent experimental data. We pointed out that the reaction flux from the hot pp–chain into the CNO cycle through the proton capture on ¹¹C may overcome the flux through the 3α process. the abundance of ¹⁸F calculated with the new rates of the ¹⁸F(p, γ) and (p,α) is 1.8 times larger than the previous one. The calculated results of the rp–process at the typical condition of the X-ray burst show that the abundances of the waiting point nuclei ⁸⁹Ru and ⁹³Pd, using the recent experimental β–decay life times, are about 4 times larger than the previous ones.