| Project/Area Number |
22540290
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Particle/Nuclear/Cosmic ray/Astro physics
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| Research Institution | Nihon University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
HONMA Michio 会津大学, コンピュータ理工学部, 教授 (40264569)
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| Co-Investigator(Renkei-kenkyūsha) |
YOSHIDA Takashi 京都大学, 基礎物理学研究所, 特任助教 (80374891)
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| Project Period (FY) |
2010-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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| Keywords | 電子捕獲反応 / ニュートリノ-原子核反応 / 元素合成 / 殻模型 / ベータ崩壊 / スピンモード / 核URCA過程 / 理論核物理 / r-プロセス / ニュートリノ核反応 / 核ＵＲＣＡ過程 / ガモフ・テラー遷移 / ニュートリノ / 電子捕獲 / ｒ‐プロセス / 第一禁止遷移 |
|---|
| Outline of Final Research Achievements |
Accurate evaluations of neutrino-nucleus reaction cross sections, electron capture and beta-decay rates at stellar environments of high densities and temperatures are carried out with the use of new shell-model Hamiltonians which can describe spin modes of nuclei quite successfully. New weak data are applied to studies of nucleosynthesis and evolution of stars. Importance and relevance of accurate evaluations of the rates are demonstrated in nucleosynthesis in supernova explosions (SNe) such as r-process nucleosynthesis in type II SNe and synthesis of neutron-rich isotopes in type Ia SNe as well as in nuclear URCA processes.
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