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2014 Fiscal Year Final Research Report

Analysis of the astrophysical S-factor of the Big Bang nucleosynthesis using the ab-initio nuclear reaction theory

Research Project

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Project/Area Number 24540262
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionNiigata University

Principal Investigator

AOYAMA Shigeyoshi  新潟大学, 学術情報基盤機構, 准教授 (60311528)

Co-Investigator(Kenkyū-buntansha) ARAI Kouji  長岡工業高等専門学校, 一般教育科, 准教授 (20374738)
Co-Investigator(Renkei-kenkyūsha) SUZUKI Yasuyuki  新潟大学, 自然科学系, 自然科学系フェロー (70018670)
Project Period (FY) 2012-04-01 – 2015-03-31
Keywords少数多体系 / 元素生成 / 核反応 / 核力第一原理計算
Outline of Final Research Achievements

Main subject of this study is analysis of the astrophysical S-factor of the Big Bang nucleosynthesis using the ab-initio nuclear reaction theory. The large-scale numerical computation using the super computer was carried out to analyze nuclear reaction rate needed in the big bang theory and the 4He nucleosynthesis in the star. Particularly, d(d,γ)4He, t d(d,n)3He and d(d,p)t reaction was studied in detail. The new technique is proposed and showed the usefulness on one of methodology, in which correlated Gaussian basis is combined with the triple global vector.

Free Research Field

原子核理論

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Published: 2016-06-03  

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