Physics – Nuclear Physics
Scientific paper
Nov 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aps..dnp.nf003p&link_type=abstract
American Physical Society, 2010 Fall Meeting of the APS Division of Nuclear Physics, November 2-6, 2010, abstract #NF.003
Physics
Nuclear Physics
Scientific paper
The galactic mapping of the 1809-keV γ ray from the beta decay of ^26Al has provided an insight into ongoing galactic nucleosynthesis. Understanding the abundance of ^26Al requires knowledge of rate of destruction of ^26Al, partially via the ^26Al(p,γ)^27Si reaction, which is determined by states near the proton threshold in ^27Si. Due to the difficulty of measuring these resonances directly, an alternative is to measure mirror states in ^27Al to inform the ^27Si structure. The spectroscopic strengths of a few known mirror states are the dominant sources uncertainty in the ^26Al(p,γ)^27Si reaction rate. The ^26Al(d,p)^27Al reaction has been measured in inverse kinematics at the HRIBF. A beam of ˜5 million ^26Al per second impinged on a ˜150 μg/cm^2 CD2 target. Proton ejectiles were detected in the SIDAR and ORRUBA silicon detector arrays. Details of the experimental setup and data analysis will be presented.
Bardayan Daniel W.
Blackmon Jeff C.
Chae K. Y.
Chipps Kelly Anne
Cizewski Jolie A.
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