Bulletin of the American Physical Society
5th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Volume 63, Number 12
Tuesday–Saturday, October 23–27, 2018; Waikoloa, Hawaii
Session FB: Mini-Symposium: The Properties of rp-Process Nuclei II
9:00 AM–11:00 AM,
Friday, October 26, 2018
Hilton
Room: Kohala 1
Chair: Ingo Wiedenhoever, Florida State University
Abstract ID: BAPS.2018.HAW.FB.6
Abstract: FB.00006 : Constraining the 30P(p,γ)31S Reaction Rate with a Measurement of the 32S(p,d)31S* Reaction*
10:15 AM–10:30 AM
Presenter:
Sean Burcher
(Univ of Tennessee, Knoxville)
Authors:
Sean Burcher
(Univ of Tennessee, Knoxville)
Kelly A. Chipps
(Oak Ridge National Lab)
Richard O Hughes
(Lawrence Livermore Natl Lab)
Kate L Jones
(Univ of Tennessee, Knoxville)
Sunghoon Ahn
(Texas A&M Univ)
James M. Allmond
(Oak Ridge National Lab)
Jason T Burke
(Lawrence Livermore Natl Lab)
Henry Clark
(Texas A&M Univ)
Jolie Antonia Cizewski
(Rutgers Univ)
Nathan M Cooper
(Univ of Notre Dame)
Joshua Hooker
(Texas A&M Univ)
Heshani D Jayatissa
(Texas A&M Univ)
Shuya Ota
(Texas A&M Univ)
Steven D. Pain
(Oak Ridge National Lab)
Craig S Reingold
(Univ of Notre Dame)
Antti Saastamoinen
(Texas A&M Univ)
Konrad Schmidt
(National Superconducting Cyclotron Laboratory)
Anna Simon
(Univ of Notre Dame)
Sriteja Upadhyayula
(Texas A&M Univ)
The 30P(p,γ)31S reaction rate is the largest source of uncertainty in the abundances of intermediate-mass nuclei produced in classical novae involving ONe white dwarfs. While it is currently not feasible to directly measure the 30P(p,γ)31S reaction, it is possible to use indirect methods, such as the 32S(p,d)31S* reaction, to obtain the relevant information about the important resonant states in 31S. In particular, resonance energies, spin, and proton and γ partial widths are required to calculate the reaction rate. A measurement of the 32S(p,d)31S* reaction has been performed at the Texas A&M Cyclotron Institute using the charged-particle and γ-ray detector array, Hyperion. The goal of the experiment was to populate states above the proton threshold in 31S, which the 30P(p,γ)31S reaction proceeds through, and observe the subsequent proton and γ-ray decays. Preliminary results including proton decay and particle-γ coincidence spectra will be presented.
*This work was supported by the U.S. DOE, Office of Science, Office of Nuclear Physics, The Welch Foundation, The National Science Foundation, and the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.HAW.FB.6
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