Transcription of 元素の起源と宇宙の歴史 - www-utap.phys.s.u ...
1 2006 11 11 .. Roots . 18 . 20 . 1977 TV .. (let there be light).. ~zkohta/bible/old_ .. 4 .. 10% . 25%.. (1948). 1948 4 1 .. D 4He D 3He p . p D. D n n D 4He D . D 4He 3 . D 3H n . D p . 25% .. A=5 .. A=8. He+p, He+n, He+He .. 10 . 100 .. (2006) .. Hoyle(1952) . 12C .. ! ( . 8Be 4He 12C* 12C . 12C* 12C 4He 16O . 16O . ( 2x10-16 ).. 75% 13% 12% .. 1 (np:nn) . 7:1 : 1952 . mHe nHe 4( nn / 2) 1. (! ). mH nH + mHe nHe ( np nn ) + 4( nn / 2) 4.. 10 1000 .. g/cc 100 g/cc 109 1 .. C+O . He H He H . H He C+O. M> . H. He >8M . C+O H.. O+Ne+Mg He <30M C+O. Si Fe >30M O+Ne +Mg >12M .. s (slow process).. Z A Z . Z, A (Z,A) . (Z,A) (Z,A+1) (Z+1,A+1).)
2 R (rapid process).. Helix Nebula HST .. 8 .. 1054 .. X Chandra HST. Spitzer .. 3 .. 3 .. 21 .. 1/4 .. COBE. 2006 .. ? . 10 .. 20%. 4% ( . 76%.. 2003 .. 1990 .. 1980 . 2006 . 1970 .. 2006 .. UT Physics1.. 2006 10 13 .. 21.)
