Chinese Physics C > 2008, Vol. 32 > Issue(8): 617-619 DOI: 10.1088/1674-1137/32/8/005

Pair neutrino energy loss for nuclei⁵⁶Fe at the late stages of stellar evolution

LIU Jing-Jing^,,
LUO Zhi-Quan

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Abstract：

Based on the Weinberg-Salam theory, the pair neutrino energy loss rates for nuclei⁵⁶Fe are canvassed for the wide range of density and temperature. The results of ours (Q_LJ) are compared with those of Beaudet G, Petrosian V and Salpeter E. E's (Q_BPS), and it shows that the pair neutrino energy loss rates of Q_BPSare always larger than Q_LJ.The Q_BPSis 12.57%, 12.86%, 14.99%, 19.80% times higher than Q_LJcorresponding to the temperature T₉=0.385, 1.0, 5.0, 10, respectively.

References

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. Weinberg S. Phys. Rev. Lett., 1967, 19: 12642. Salam A. In Elementary Particle Physics. Ed. SvartholmN. Stockholm: Almqvist and Wiksells. 1968, 3673. Dicus D A. Phys. Rev. D, 1972, 6: 9414. Pinave Soviet V. S. Phys-J.E.T.P, 1964, 18: 3775. Beaudet G, Petrosian V, Salpeter E E. Astrophys. J., 1967,150: 9796. Munakata H, Kohyama Y, Itoh N. Astrophys. J., 1985, 296:1977. Itoh N, Adachi T, Nakagawa M et al. Astrophys. J., 1989,339: 3548. Itoh N, Hayashi H, Nishikawa A et al. Astrophys. J., 1996,102: 4119. Esposito S, Mangano G, Miele G et al. Nucl. Phys. B, 2003,658: 21710. LIU J J, LUO Z Q. Chinese Physics Lett., 2007, 7: 1861

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LIU Jing-Jing and LUO Zhi-Quan. Pair neutrino energy loss for nuclei ⁵⁶Fe at the late stages of stellar evolution[J]. Chinese Physics C, 2008, 32(8): 617-619. doi: 10.1088/1674-1137/32/8/005

LIU Jing-Jing and LUO Zhi-Quan. Pair neutrino energy loss for nuclei ⁵⁶Fe at the late stages of stellar evolution[J]. Chinese Physics C, 2008, 32(8): 617-619. doi:10.1088/1674-1137/32/8/005 shu

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Received: 2007-08-13
Revised: 2007-09-23

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沈阳化工大学材料科学与工程学院沈阳 110142

Pair neutrino energy loss for nuclei⁵⁶Fe at the late stages of stellar evolution

LIU Jing-Jing^,
LUO Zhi-Quan

Corresponding author:LIU Jing-Jing,

Received Date:2007-08-13
Accepted Date:2007-09-23
Available Online:2008-08-05

Abstract:

Based on the Weinberg-Salam theory, the pair neutrino energy loss rates for nuclei⁵⁶Fe are canvassed for the wide range of density and temperature. The results of ours (Q_LJ) are compared with those of Beaudet G, Petrosian V and Salpeter E. E's (Q_BPS), and it shows that the pair neutrino energy loss rates of Q_BPSare always larger than Q_LJ.The Q_BPSis 12.57%, 12.86%, 14.99%, 19.80% times higher than Q_LJcorresponding to the temperature T₉=0.385, 1.0, 5.0, 10, respectively.