Resonances above the proton threshold in 26Si
Abstract
26Al remains an intriguing target for observational gamma-ray astronomy, thanks to its characteristic decay. The 25Al(p, )26Si reaction is part of a chain that bypasses the production of the observable 26Alg in favor of the isomeric state; its rate at novae temperatures is dominated by a resonance around 400 keV, the precise location and J assignment of which has been hotly debated. Considerable confusion in this regard has arisen from the use of outdated excitation energies and masses. Here, a reanalysis of previous work is completed to first, elucidate the confusion regarding the level structure just above the proton threshold, and second, provide focus to future studies.
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1240524
- Alternate Identifier(s):
- OSTI ID: 1240214
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 93; Journal Issue: 3; Journal ID: ISSN 2469-9985
- Publisher:
- APS
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 74 ATOMIC AND MOLECULAR PHYSICS
Citation Formats
Chipps, Kelly A. Resonances above the proton threshold in 26Si. United States: N. p., 2016.
Web. doi:10.1103/PhysRevC.93.035801.
Chipps, Kelly A. Resonances above the proton threshold in 26Si. United States. https://doi.org/10.1103/PhysRevC.93.035801
Chipps, Kelly A. Sun .
"Resonances above the proton threshold in 26Si". United States. https://doi.org/10.1103/PhysRevC.93.035801. https://www.osti.gov/servlets/purl/1240524.
@article{osti_1240524,
title = {Resonances above the proton threshold in 26Si},
author = {Chipps, Kelly A.},
abstractNote = {26Al remains an intriguing target for observational gamma-ray astronomy, thanks to its characteristic decay. The 25Al(p, )26Si reaction is part of a chain that bypasses the production of the observable 26Alg in favor of the isomeric state; its rate at novae temperatures is dominated by a resonance around 400 keV, the precise location and J assignment of which has been hotly debated. Considerable confusion in this regard has arisen from the use of outdated excitation energies and masses. Here, a reanalysis of previous work is completed to first, elucidate the confusion regarding the level structure just above the proton threshold, and second, provide focus to future studies.},
doi = {10.1103/PhysRevC.93.035801},
journal = {Physical Review C},
number = 3,
volume = 93,
place = {United States},
year = {Sun Mar 06 00:00:00 EST 2016},
month = {Sun Mar 06 00:00:00 EST 2016}
}
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