Wednesday, September 2, 2009
→
America/Chicago
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- 9:00 AM → 9:40 AM
- 9:40 AM → 10:20 AM
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10:20 AM
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10:55 AM
coffee break 35m
- 10:55 AM → 11:30 AM
- 11:30 AM → 12:05 PM
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12:05 PM
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2:30 PM
Lunch Break 2h 25m
- 2:30 PM → 3:05 PM
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3:05 PM
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3:40 PM
Neutrino-induced reactions on Fe and Ni isotopes and nucleosynthesis in stars 35mSpeaker: Toshio Suzuki (Nihon University)Abstract: Neutrino-nucleus reactions on $fp$-shell and $p$-shell nuclei are investigated based on new shell model Hamiltonians. We mainly discuss neutrino-induced reactions on Ni and Fe isotopes and possible consequences on nucleosynthesis in stars. The calculated charged current reaction cross section on $^{56}$Fe induced by decay-at-rest (DAR) neutrinos is shown to be consistent with the observation. The Gamow-Teller strength in $^{56}$Ni is found to be more spread compared to previous calculations and result in a considerably large branching ratio for the proton knock-out channel. As a consequence of this, the production yields of heavy elements such as $^{55}$Mn and $^{59}$Co in population III stars are shown to be enhanced for the new Hamiltonian. The electron capture reactions on Ni and Fe isotopes, and neutrino-induced reactions on $^{52}$Fe are also discussed.
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3:40 PM
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4:00 PM
coffee break 20m outside Lecture Hall
outside Lecture Hall
- 4:00 PM → 4:35 PM
- 4:35 PM → 5:05 PM
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5:05 PM
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5:10 PM
End of Day 5m