Reaction rate sensitivity of 44Ti production in massive stars and implications of a thick target yield measurement of 40Ca(alpha,gamma)44Ti

Reaction rate sensitivity of 44Ti production in massive stars and implications of a thick target yield measurement of 40Ca(alpha,gamma)44Ti [electronic resource]

We evaluate two dominant nuclear reaction rates and their uncertainties that affect ⁴⁴Ti production in explosive nucleosynthesis. Experimentally we develop thick-target yields for the ⁴°Ca(α,γ)⁴⁴Ti reaction at E{sub α} = 4.13, 4.54, and 5.36 MeV using γ-ray spectroscopy. At the highest beam energy,...

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Bibliographic Details
Online Access: Online Access
Corporate Author: Lawrence Livermore National Laboratory (Researcher)
Format: Government Document Electronic eBook
Language:English
Published: Washington, D.C : Oak Ridge, Tenn. : United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2010.
Subjects:
Vanadium 47.
Nuclear Reaction Kinetics.
Calcium 40 Target.
Supernovae.
Titanium 44.
Nucleosynthesis.
Titanium 44 Target.
Data Covariances.
Sensitivity Analysis.
Photons.
Protons.
Alpha Reactions.
Nuclear Physics And Radiation Physics.
Classical And Quantumm Mechanics, General Physics.
Astronomy And Astrophysics.

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Call Number: E 1.99:llnl-jrnl-423904
E 1.99:llnl-jrnl-423904 Available

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