New recommended ωγ for the Erc.m.=458 keV resonance in Ne22(p,γ)Na23

Kelly, K. J.; Champagne, A. E.; Longland, R.; Buckner, M. Q.

doi:10.1103/PhysRevC.92.035805

Title: New recommended $ω γ$ for the $E_{r}^{c . m .} = 458$ keV resonance in ${}^{22}{Ne} (p, γ) {}^{23}{Na}$

Journal Article · Fri Sep 04 00:00:00 EDT 2015 · Physical Review C, Nuclear Physics

DOI:https://doi.org/10.1103/PhysRevC.92.035805· OSTI ID:1600485

Kelly, K. J. ^[1]; Champagne, A. E. ^[1]; Longland, R. ^[2]; Buckner, M. Q. ^[3]

Univ. of North Carolina, Chapel Hill, NC (United States); Duke Univ., Durham, NC (United States). Triangle Universities Nuclear Laboratory
North Carolina State Univ., Raleigh, NC (United States); Duke Univ., Durham, NC (United States). Triangle Universities Nuclear Laboratory
Univ. of North Carolina, Chapel Hill, NC (United States); Duke Univ., Durham, NC (United States). Triangle Universities Nuclear Laboratory; Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

The $E_{r}^{c.m.} = 458$ keV resonance in ${}_{22}{Ne} (p, γ) {}_{23}{Na}$ is an ideal reference resonance for measurements of cross sections and resonance strengths in noble gas targets. We report on a new measurement of the strength of this resonance. Data analysis employed the TFractionFitter class of root combined with geant simulations of potential decay cascades from this resonance. This approach allowed us to extract precise primary branching ratios for decays from the resonant state, including a new primary branch to the 7082-keV state in ${}_{23}{Na}$ . Our new resonance strength of $ω γ$ (458 keV) = 0.583(43) eV is more than $1 σ$ higher than a recent high-precision result that relied on literature branching ratios.

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Research Organization:: University of North Carolina, Chapel Hill, NC (United States); Duke Univ., Durham, NC (United States). Triangle Universities Nuclear Laboratory

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: FG02-97ER41041

OSTI ID:: 1600485

Alternate ID(s):: OSTI ID: 1213967

Journal Information:: Physical Review C, Nuclear Physics, Vol. 92, Issue 3; ISSN 0556-2813

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 9 works

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Title: New recommended $ω γ$ for the $E_{r}^{c . m .} = 458$ keV resonance in ${}^{22}{Ne} (p, γ) {}^{23}{Na}$