Spectroscopy and lifetime measurements near the proton drip line:
Abstract
We report on the observation of excited states in the neutron-deficient phosphorus isotopes 26,27,28P via in-beam gamma-ray spectroscopy with both high-efficiency and high-resolution detector arrays. In 26P, a previously-unobserved level has been identified at 244(3) keV, two new measurements of the astrophysically-important 3/2+ resonance in 27P have been performed, gamma decays have been assigned to the proton-unbound levels at 2216 keV and 2483 keV in 28P, and the gamma-ray lineshape method has been used to make the first determination of the lifetimes of the two lowest-lying excited states in 28P. The expected Thomas-Ehrman shifts were calculated and applied to levels in the mirror nuclei. The resulting level energies from this procedure were then compared with the energies of known states in 26,27,28P.
- Authors:
-
- Michigan State Univ., East Lansing, MI (United States)
- Florida State Univ., Tallahassee, FL (United States)
- Publication Date:
- Research Org.:
- Michigan State Univ., East Lansing, MI (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1530154
- Alternate Identifier(s):
- OSTI ID: 1546261
- Grant/Contract Number:
- NA0003180; FG02-08ER41556
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 99; Journal Issue: 6; Journal ID: ISSN 2469-9985
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Longfellow, B., Gade, A., Brown, B. A., Bazin, D., Bender, P. C., Bowry, M., Cottle, P. D., Elman, B., Lunderberg, E., Magilligan, A., Spieker, M., Weisshaar, D., and Williams, S. J. Spectroscopy and lifetime measurements near the proton drip line: P26,27,28. United States: N. p., 2019.
Web. doi:10.1103/PhysRevC.99.064330.
Longfellow, B., Gade, A., Brown, B. A., Bazin, D., Bender, P. C., Bowry, M., Cottle, P. D., Elman, B., Lunderberg, E., Magilligan, A., Spieker, M., Weisshaar, D., & Williams, S. J. Spectroscopy and lifetime measurements near the proton drip line: P26,27,28. United States. https://doi.org/10.1103/PhysRevC.99.064330
Longfellow, B., Gade, A., Brown, B. A., Bazin, D., Bender, P. C., Bowry, M., Cottle, P. D., Elman, B., Lunderberg, E., Magilligan, A., Spieker, M., Weisshaar, D., and Williams, S. J. Wed .
"Spectroscopy and lifetime measurements near the proton drip line: P26,27,28". United States. https://doi.org/10.1103/PhysRevC.99.064330. https://www.osti.gov/servlets/purl/1530154.
@article{osti_1530154,
title = {Spectroscopy and lifetime measurements near the proton drip line: P26,27,28},
author = {Longfellow, B. and Gade, A. and Brown, B. A. and Bazin, D. and Bender, P. C. and Bowry, M. and Cottle, P. D. and Elman, B. and Lunderberg, E. and Magilligan, A. and Spieker, M. and Weisshaar, D. and Williams, S. J.},
abstractNote = {We report on the observation of excited states in the neutron-deficient phosphorus isotopes 26,27,28P via in-beam gamma-ray spectroscopy with both high-efficiency and high-resolution detector arrays. In 26P, a previously-unobserved level has been identified at 244(3) keV, two new measurements of the astrophysically-important 3/2+ resonance in 27P have been performed, gamma decays have been assigned to the proton-unbound levels at 2216 keV and 2483 keV in 28P, and the gamma-ray lineshape method has been used to make the first determination of the lifetimes of the two lowest-lying excited states in 28P. The expected Thomas-Ehrman shifts were calculated and applied to levels in the mirror nuclei. The resulting level energies from this procedure were then compared with the energies of known states in 26,27,28P.},
doi = {10.1103/PhysRevC.99.064330},
journal = {Physical Review C},
number = 6,
volume = 99,
place = {United States},
year = {Wed Jun 26 00:00:00 EDT 2019},
month = {Wed Jun 26 00:00:00 EDT 2019}
}
Web of Science
Figures / Tables:
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Figures / Tables found in this record: