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(133)   

(134)      P. A. Mazzali  . !". !#$%&'. !()*+ ). 18) Tominaga N., et al., 2007, ApJ 657, L77 19) Tominaga N., Umeda H., Nomoto K., 2007, ApJ 660, 516 20) Tominaga N., 2007, ApJ, submitted (arXiv: 0711.4815). !,-./ 0123456789:;(<= > ?5 @.89ABC D8EFGC =. HI!89%JK. . )*+. ῎῍῏ῌ 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17). LM 2006, NOPQ 99, 358 RST 2007, NOPQ 100, 615 Depagne E., et al., 2002, A&A 390, 187 Christlieb N., et al., 2002, Nature 419, 904 Cayrel R., et al., 2004, A&A 416, 1117 Honda S., et al., 2004, ApJ 607, 474 Frebel A., et al., 2005, Nature 434, 871 Beers T. C., Christlieb N., 2005, ARA&A 43, 531 U V  W 2007, XY. %Z[\>!ῌ] ^_`a;bc5d0ed f ghij Maeda K., et al., 2008, Science 319, 1220 Maeda K., Nomoto K., 2003, ApJ 598, 1163 Nagataki S., Mizuta A., Yamada S., Takabe H., Sato K., 2003, ApJ 596, 401 Umeda H., Nomoto K., 2002, ApJ 565, 385 klm 2006, NOPQ 99, 452 no H 2006, NOPQ 99, 462 Ohkubo T., et al., 2006, ApJ 645, 1352 Shigeyama T., Tsujimoto T., 1998, ApJ 507, L135. p 101 q. p9r. Supernova Nucleosynthesis and Elemental Abundances in the Early Universe Nozomu TOMINAGA National Astronomical Observatory, 2῍21῍1 Osawa, Mitaka, Tokyo 181῍8588, Japan Abstract : The first metal enrichment in the universe was made by supernova explosions of population III stars. The evolution of the early universe is traced by extremely metal-poor (EMP) stars. In this paper, supernova nucleosynthesis is reported and compared with the abundance patterns of the EMP stars. The variations of the EMP stars stem from variations of supernova properties: main-sequence masses, explosion energies, and energy deposition rates. Future detailed studies could constrain the explosion mechanism of gamma-ray bursts and supernovae.. 525.

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