Gaussian modification of neutrino energy loss on strongly screening nuclides <SUP>55</SUP>Co and <SUP>56</SUP>Ni by electron capture in stellar interior

LIU Jing-Jing; KANG Xiao-Ping; HE Zhong; Huai-Ren; SHI Huan-Yu; HUANG Hong-Chao; ZHONG Shan; FENG Hao; LI Chang-Wei

doi:10.1088/1674-1137/35/3/006

Chinese Physics C> 2011, Vol. 35> Issue(3) : 243-247 DOI: 10.1088/1674-1137/35/3/006

Gaussian modification of neutrino energy loss on strongly screening nuclides ⁵⁵Co and ⁵⁶Ni by electron capture in stellar interior

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Gaussian modifications of the neutrino energy loss (NEL) by electron capture on the strongly screening nuclides ⁵⁵Co and ⁵⁶Ni are investigated. The results show that in strong electron screening (SES), the NEL rates decrease without modifying the Gamow-Teller (G-T) resonance transition. For instance, the NEL rates of ⁵⁵Co and ⁵⁶Ni decrease more than two and three orders of magnitude for ρ₇=5.86, T₉≤5, Y_e=0.47, Δ=6.3, respectively. In contrast, due to Gaussian modification, the NEL rates increase about two orders of magnitude in SES. Due to SES, the maximum values of the C-factor (in %) on NEL of ⁵⁵Co, ⁵⁶Ni are of the order of 99.80%, 99.56% at ρ₇=5.86 Y_e=0.47 and 99.60%, 99.65% at ρ₇=106 Y_e=0.43, respectively.

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LIU Jing-Jing, KANG Xiao-Ping, HE Zhong, Huai-Ren, SHI Huan-Yu, HUANG Hong-Chao, ZHONG Shan, FENG Hao and LI Chang-Wei. Gaussian modification of neutrino energy loss on strongly screening nuclides ⁵⁵Co and ⁵⁶Ni by electron capture in stellar interior[J]. Chinese Physics C, 2011, 35(3): 243-247. doi: 10.1088/1674-1137/35/3/006

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Received: 2010-05-25
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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

Gaussian modification of neutrino energy loss on strongly screening nuclides ⁵⁵Co and ⁵⁶Ni by electron capture in stellar interior

Received Date: 2010-05-25

Accepted Date: 2010-06-12

Available Online: 2011-03-05

Abstract: Gaussian modifications of the neutrino energy loss (NEL) by electron capture on the strongly screening nuclides ⁵⁵Co and ⁵⁶Ni are investigated. The results show that in strong electron screening (SES), the NEL rates decrease without modifying the Gamow-Teller (G-T) resonance transition. For instance, the NEL rates of ⁵⁵Co and ⁵⁶Ni decrease more than two and three orders of magnitude for ρ₇=5.86, T₉≤5, Y_e=0.47, Δ=6.3, respectively. In contrast, due to Gaussian modification, the NEL rates increase about two orders of magnitude in SES. Due to SES, the maximum values of the C-factor (in %) on NEL of ⁵⁵Co, ⁵⁶Ni are of the order of 99.80%, 99.56% at ρ₇=5.86 Y_e=0.47 and 99.60%, 99.65% at ρ₇=106 Y_e=0.43, respectively.

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Gaussian modification of neutrino energy loss on strongly screening nuclides ⁵⁵Co and ⁵⁶Ni by electron capture in stellar interior

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Gaussian modification of neutrino energy loss on strongly screening nuclides ⁵⁵Co and ⁵⁶Ni by electron capture in stellar interior

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Gaussian modification of neutrino energy loss on strongly screening nuclides 55Co and 56Ni by electron capture in stellar interior

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Gaussian modification of neutrino energy loss on strongly screening nuclides 55Co and 56Ni by electron capture in stellar interior

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Gaussian modification of neutrino energy loss on strongly screening nuclides ⁵⁵Co and ⁵⁶Ni by electron capture in stellar interior

Gaussian modification of neutrino energy loss on strongly screening nuclides ⁵⁵Co and ⁵⁶Ni by electron capture in stellar interior