Bremsstrahlung neutrino energy loss for 24Mg, 28Si, 32S, 40Ca, 56Fe in strong electron screening

  • Based on Weinberg-Salam theory the bremsstrahlung neutrino energy loss for nuclei 24Mg, 28Si, 32S, 40Ca and 56Fe are investigated in strong electron screening. Our results are compared with those of Dicus' and show that the latter are higher by 2 orders of magnitude in the density-temperature region of 108 g/cm3≤ρ/μe≤1011 g/cm3 and 2.5≤T9≤4.5. On the other hand, the factor C shows that the maximum differences are 99.16%, 99.13%, 99.12%, 99.055%, 99.040% corresponding to the nuclei 24Mg, 28Si, 32S, 40Ca and 56Fe.

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  • [1] . Gamow G, Schonberg M. Phys. Rev., 1941, 59: 5392. LIU J J, LUO Z Q., LIU H L, LAI X J. International Jour-nal of Modern Physics A, 2007, 22: 33053. LIU J J, LUO Z Q. Chinese Physics, 2007, 16: 36244. LIU J J, LUO Z Q. Chinese Physics C, 2008, 32: 1085. LIU J J, LUO Z Q. China Phys. Lett., 2007, 24: 18616. LIU J J. Chinese Physics C, 2009, 33: 157. Beaudet G, Petrosian V, Salpeter E E. Astrophys. J., 1967,150: 9798. Feynman R P, Gell-Mann M. Phys. Rev., 1958, 109: 1939. Weinberg S. Phys. Rev. Lett., 1967, 19: 126410. Dicus D A. Phys. Rev. D, 1972, 6: 94111. Flowers E. Astrophys. J., 1973, 180: 91112. Haensel P, Kaminker A D, Yakovlev D G. Astron. Astro-phys., 1996, 314: 32813. Itoh N, Adachi T, Nakagawa M, Kohyama Y, Munakata H.Astrophys. J., 1989, 339: 35414. Itoh N, Hayashi H, Nishikawa A, Kohyama Y. Astrophys.J., 1996, 102: 41115. Dicus D A, Kolb E W, Schramm D N, Tubbs D L. Astro-phys. J., 1976, 210: 481
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LIU Jing-Jing. Bremsstrahlung neutrino energy loss for 24Mg, 28Si, 32S, 40Ca, 56Fe in strong electron screening[J]. Chinese Physics C, 2010, 34(2): 171-176. doi: 10.1088/1674-1137/34/2/003
LIU Jing-Jing. Bremsstrahlung neutrino energy loss for 24Mg, 28Si, 32S, 40Ca, 56Fe in strong electron screening[J]. Chinese Physics C, 2010, 34(2): 171-176.  doi: 10.1088/1674-1137/34/2/003 shu
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Received: 2008-12-26
Revised: 2009-06-22
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Bremsstrahlung neutrino energy loss for 24Mg, 28Si, 32S, 40Ca, 56Fe in strong electron screening

    Corresponding author: LIU Jing-Jing,
  • Department of Physics, University of Qiongzhou, Sanya 572022, China

Abstract: 

Based on Weinberg-Salam theory the bremsstrahlung neutrino energy loss for nuclei 24Mg, 28Si, 32S, 40Ca and 56Fe are investigated in strong electron screening. Our results are compared with those of Dicus' and show that the latter are higher by 2 orders of magnitude in the density-temperature region of 108 g/cm3≤ρ/μe≤1011 g/cm3 and 2.5≤T9≤4.5. On the other hand, the factor C shows that the maximum differences are 99.16%, 99.13%, 99.12%, 99.055%, 99.040% corresponding to the nuclei 24Mg, 28Si, 32S, 40Ca and 56Fe.

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