Beta decay of nuclide 56Fe, 56Co, 56Ni, 56Mn, 56Cr and 56V due to strong electron screening in stellar interiors

LIU Jing-Jing

doi:10.1088/1674-1137/34/11/006

Chinese Physics C> 2010, Vol. 34> Issue(11) : 1700-1703 DOI: 10.1088/1674-1137/34/11/006

Beta decay of nuclide ⁵⁶Fe, ⁵⁶Co, ⁵⁶Ni, ⁵⁶Mn, ⁵⁶Cr and ⁵⁶V due to strong electron screening in stellar interiors

LIU Jing-Jing

College of Science and Technology, Qiongzhou University, Sanya 572022, China

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Abstract：
According to a new electron screening theory, we discuss the beta decay rates of nuclide ⁵⁶Fe, ⁵⁶Co, ⁵⁶Ni, ⁵⁶Mn, ⁵⁶Cr and ⁵⁶V with and without strong electron screening (SES). The results show that SES has only a slight effect on the beta decay rates for ρ/μ_e<10^8 g/cm³. However the beta decay rates would be influenced greatly for ρ/μ_e≥10^8 g/cm³. Due to SES, the maximum values of the C-factor (in %) on beta decay rates of ⁵⁶Fe, ⁵⁶Co, ⁵⁶Ni, ⁵⁶Mn, ⁵⁶Cr and ⁵⁶V is of the order of 95.03%, 35.02%, 98.05%, 80.33%, 98.30% and 98.71% at T₉ =4.0 and 98.83%, 98.89%, 99.65%, 10.32%, 4.10% and 40.21% at T₉=7.0, respectively.

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LIU Jing-Jing. Beta decay of nuclide ⁵⁶Fe, ⁵⁶Co, ⁵⁶Ni, ⁵⁶Mn, ⁵⁶Cr and ⁵⁶V due to strong electron screening in stellar interiors[J]. Chinese Physics C, 2010, 34(11): 1700-1703. doi: 10.1088/1674-1137/34/11/006

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Received: 2009-12-22
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沈阳化工大学材料科学与工程学院沈阳 110142

Beta decay of nuclide ⁵⁶Fe, ⁵⁶Co, ⁵⁶Ni, ⁵⁶Mn, ⁵⁶Cr and ⁵⁶V due to strong electron screening in stellar interiors

College of Science and Technology, Qiongzhou University, Sanya 572022, China

Received Date: 2009-12-22

Accepted Date: 2010-07-20

Available Online: 2010-11-05

Abstract:

According to a new electron screening theory, we discuss the beta decay rates of nuclide ⁵⁶Fe, ⁵⁶Co, ⁵⁶Ni, ⁵⁶Mn, ⁵⁶Cr and ⁵⁶V with and without strong electron screening (SES). The results show that SES has only a slight effect on the beta decay rates for ρ/μ_e<10^8 g/cm³. However the beta decay rates would be influenced greatly for ρ/μ_e≥10^8 g/cm³. Due to SES, the maximum values of the C-factor (in %) on beta decay rates of ⁵⁶Fe, ⁵⁶Co, ⁵⁶Ni, ⁵⁶Mn, ⁵⁶Cr and ⁵⁶V is of the order of 95.03%, 35.02%, 98.05%, 80.33%, 98.30% and 98.71% at T₉ =4.0 and 98.83%, 98.89%, 99.65%, 10.32%, 4.10% and 40.21% at T₉=7.0, respectively.

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Beta decay of nuclide ⁵⁶Fe, ⁵⁶Co, ⁵⁶Ni, ⁵⁶Mn, ⁵⁶Cr and ⁵⁶V due to strong electron screening in stellar interiors

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Beta decay of nuclide ⁵⁶Fe, ⁵⁶Co, ⁵⁶Ni, ⁵⁶Mn, ⁵⁶Cr and ⁵⁶V due to strong electron screening in stellar interiors

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