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Research in Theoretical Nuclear and Neutrino Physics

Research in Theoretical Nuclear and Neutrino Physics
理论核物理和中微子物理研究
批准号:
1806368
负责人:
Akif Baha Balantekin
金额:
$25.5万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2018
资助国家:
美国
项目状态:
已结题
起止时间:
2018-08-01 至 2022-07-31

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中文摘要
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英文摘要
Exploring the origin, evolution and the structure of the visible matter is an ongoing quest of modern science. The lightest elements are formed during the first minutes after the Big Bang, the epoch known as the Big Bang Nucleosynthesis (BBN). The BBN epoch and the proceeding evolution of the stars until they go supernova produce elements up to iron. Most of the elements heavier than iron are thought to be produced by the capture of neutrons on seed nuclei. Possible sites of the rapid neutron capture process (r-process) include matter evaporated from the surface of a hot neutron star formed following a supernova explosion, the merging of two neutron stars (recently observed for the first time), and accretion disks in gamma-ray bursts. Irrespective of the precise details of the elements-formation process, one needs an abundance of neutrons over protons. All environments listed above also contain a very large number of neutrinos, which control the ratio of neutrons to protons. This project will explore the interplay between neutrino properties and the formation of elements using tools from nuclear physics and astrophysics, as well as experimental and observational data.This project will contribute to the description of neutrino transport in the r-process sites by solving the many-body equations describing collective oscillations of neutrinos, which are emergent nonlinear flavor evolution phenomena instigated by neutrino-neutrino interactions in astrophysical environments with sufficiently high neutrino densities. The goal is to bring together our theoretical and computational efforts with the optical observations of the abundances of chemical elements to explain where in the cosmos these elements are formed. The PI and his students will explore properties of neutrinos such as masses, mixings, and dipole moments and calculate their capture cross sections to facilitate this goal.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
期刊论文(25)
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科研奖励(0)
会议论文
Nuclear Weak Rates for Astrophysical Processes in Stars
恒星天体物理过程的核弱率
DOI: 10.7566/jpscp.31.011039
发表时间: 2020
期刊: Proceedings of the 15th International Symposium on Origin of Matter and Evolution of Galaxies (OMEG15
影响因子: --
作者: [Suzuki, Toshio, Chiba, Satoshi, Yoshida, Takashi, Balantekin, A. Baha, Kajino, Toshitaka, Honma, Michio, Tsunoda, Yusuke, Tsunoda, Naofumi, Shimizu, Noritaka]
通讯作者: Shimizu, Noritaka
Pairing in Nuclei: Exact Solutions
原子核配对:精确解
DOI: 10.7566/jpscp.23.012022
发表时间: 2018
期刊: IIRC Symposium on Perspectives of the Physics of Nuclear Structure
影响因子: --
作者: [Balantekin, A. B.]
通讯作者: Balantekin, A. B.
DOI: 10.1103/physrevd.99.123013
发表时间: 2019-05
期刊: Physical Review D
影响因子: 5
作者: [A. Patwardhan;Michael J. Cervia;A. Balantekin]
通讯作者: A. Patwardhan;Michael J. Cervia;A. Balantekin
Symmetries of neutrino physics
中微子物理的对称性
DOI: 10.1063/1.5124579
发表时间: 2019
期刊: AIP Conference Proceedings
影响因子: --
作者: [Balantekin, A. B.]
通讯作者: Balantekin, A. B.
22
    Research in Theoretical Nuclear and Neutrino Physics
    • 批准号:
      2108339
    • 项目类别:
      Standard Grant
    • 资助金额:
      $30.0万
    • 财政年份:
      2021
    • 负责人:
      Akif Baha Balantekin
    • 依托单位:
    Research Topics in Theoretical Nuclear and Neutrino Physics
    • 批准号:
      1514695
    • 项目类别:
      Continuing Grant
    • 资助金额:
      $30.0万
    • 财政年份:
      2015
    • 负责人:
      Akif Baha Balantekin
    • 依托单位:
    Research in Theoretical Nuclear and Neutrino Physics
    • 批准号:
      1205024
    • 项目类别:
      Continuing Grant
    • 资助金额:
      $38.0万
    • 财政年份:
      2012
    • 负责人:
      Akif Baha Balantekin
    • 依托单位:
    Research in Theoretical Nuclear and Neutrino Physics
    • 批准号:
      0855082
    • 项目类别:
      Continuing Grant
    • 资助金额:
      $36.0万
    • 财政年份:
      2009
    • 负责人:
      Akif Baha Balantekin
    • 依托单位:
    海外基金