21–25 May 2018
US/Eastern timezone

Studying the Energy Levels in $^{19}$Ne Above the Proton Threshold

23 May 2018, 16:30
1h 30m

Speaker

Mr Matthew Hall (University of Notre Dame)

Description

A direct way to test nova explosion models would be to observe gamma rays created in the $^{18}$F, is believed to be the main source of observable 511 keV gamma rays. The main destruction mechanism of $^{18}$F is thought to be the $^{18}$F(p,$\alpha$)$^{15}$O reaction. Uncertainties in the reaction rate are attributed to uncertainties in the energies, spins, and parities of the nuclear levels in $^{19}$Ne above the proton threshold. In an effort to understand these levels the $^{19}$F($^{3}$He,t)$^{19}$Ne reaction was measured at Argonne National Laboratory using a $^3$He beam. Gammasphere ORRUBA$^1$ Dual Detectors for Experimental Structure Studies (GODDESS) was used to measure gamma rays from the de-excitation of $^{19}$Ne in coincidence with the reaction tritons. Preliminary observations will be presented. This research was supported in part by the National Science Foundation Grant Number PHY-1419765, the National Nuclear Security Administration under the Stewardship Science Academic Alliances program through DOE Cooperative Agreement DE-NA002132, and Argonne National Laboratory contract number DE-AC02-06CH11357. $^1$Oak Ridge Rutgers University Barrel Array

Primary author

Mr Matthew Hall (University of Notre Dame)

Co-authors

Alex Lepailleur (Rutgers University) Dr Andrew Ratkiewicz (Lawrence Livermore National Laboratory) B. Charles Rasco (Smarter Than You Software) Cheng-Lie Jiang (Argonne National Laboratory) Cory Thornsbury (University of Tennessee) Dan Bardayan (University of Notre Dame) Dr Dariusz Seweryniak (Argonne National Laboratory) David Walter (Rutgers University) Harry Sims (Rutgers University) Jacob Allen (University of Notre Dame) Jeffery Blackmon (Louisiana State University) Prof. Jolie Cizewski (Rutgers University) Karl Smith (Los Alamos National Laboratory) Prof. Kate Jones (University of Tennessee) Dr Kelly Chipps (Oak Ridge National Laboratory) Dr Michael Carpenter (Argonne National Laboratory) Mike Febbraro (Oak Ridge National Laboratory) Oscar Hall (University of Notre Dame) Dr Patrick O'Malley (University of Notre Dame) Paul Thompson (University of Tennessee) Sean Burcher (University of Tennessee) Dr Shaofei Zhu (Argonne National Laboratory) Shuya Ota (Lawrence Livermore National Laboratory) Dr Steven Pain (ORNL) Dr Sunghoon (Tony) Ahn (JINA/NSCL) Dr Travis Baugher (Los Alamos National Laboratory) Dr Wanpeng Tan (University of Notre Dame)

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