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Article type: Cover
1975 Volume 51 Issue 3 Pages
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Published: May 20, 1975
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Article type: Appendix
1975 Volume 51 Issue 3 Pages
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Article type: Appendix
1975 Volume 51 Issue 3 Pages
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Article type: Article
1975 Volume 51 Issue 3 Pages
C2-C3
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Article type: Article
1975 Volume 51 Issue 3 Pages
C3-C4
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Article type: Article
1975 Volume 51 Issue 3 Pages
C4-C6
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Article type: Article
1975 Volume 51 Issue 3 Pages
C7-C9
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Article type: Appendix
1975 Volume 51 Issue 3 Pages
C10-C11
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Article type: Appendix
1975 Volume 51 Issue 3 Pages
C12-C20
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Article type: Article
1975 Volume 51 Issue 3 Pages
59-65
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[in Japanese]
Article type: Article
1975 Volume 51 Issue 3 Pages
67-84
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Article type: Article
1975 Volume 51 Issue 3 Pages
85-89
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Article type: Article
1975 Volume 51 Issue 3 Pages
91-104
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Article type: Appendix
1975 Volume 51 Issue 3 Pages
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Article type: Appendix
1975 Volume 51 Issue 3 Pages
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Katsuhiko Sato
Article type: Article
1975 Volume 51 Issue 3 Pages
107-122
Published: May 20, 1975
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Diffusion of neutrinos in supernova core is investigated on the base of neutral current theory of weak interaction. The core becomes opaque to neutrinos before electron captures of nuclei proceed sufficiently so that the number of leptons in the core can never be decreased rapidly, but it is conserved at high densities (p^>10^<12> g/cm^3 ). We have obtained the following results. 1) Neutrinos are strongly degenerate in the core and Fermi energy at p = 10^<14> g/cm^3 exceeds 120MeV if the number ratio of leptons to baryons confined in the core n_L/n_B ⋧ 0.35. 2) Neutralization of the collapsing matter proceeds so slowly compared with the case of neglecting neutrino degeneracy that lepton pressure is always higher than that of nuclear matter up to nuclear density if n_L/n_B ⋧ 0.18. 3) As the result of 2), the bounce of collapsing core becomes more possible. Duration of neutrino degeneracy is about ten seconds and sufficiently long for bounce. Diffusion of degenerate neutrinos is also discussed.
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[in Japanese]
Article type: Article
1975 Volume 51 Issue 3 Pages
123-137
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Article type: Appendix
1975 Volume 51 Issue 3 Pages
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Article type: Bibliography
1975 Volume 51 Issue 3 Pages
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Article type: Bibliography
1975 Volume 51 Issue 3 Pages
139-
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Article type: Appendix
1975 Volume 51 Issue 3 Pages
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Article type: Cover
1975 Volume 51 Issue 3 Pages
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Article type: Cover
1975 Volume 51 Issue 3 Pages
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