Bulletin of the American Physical Society
2024 APS April Meeting
Wednesday–Saturday, April 3–6, 2024; Sacramento & Virtual
Session E00: Poster Session I & Welcome Reception (5:30PM - 7:30PM PT)
5:30 PM,
Wednesday, April 3, 2024
SAFE Credit Union Convention Center
Room: Exhibit Hall A, Floor 1
Sponsoring
Unit:
APS
Abstract: E00.00078 : Probing Isomeric Transitions in Gamma-Ray Bursts from Neutron Star Mergers*
Presenter:
Maria C Hamilton
(Marshall University, Huntington, WV)
Authors:
Maria C Hamilton
(Marshall University, Huntington, WV)
Joseph I Powell
(Marshall University)
A notable aspect of GRB 170817A was its gamma-ray spectrum, exhibiting two distinct components—a hard short pulse and a softer thermal one. This study investigates the possibility of this GRB spectrum to contain gamma-ray de-excitations from isomeric transitions. We establish a criterion to select isomers that potentially explain the spectral feature of this GRB.
We developed an interactive webpage, showcasing gamma-ray spectra from key isomers. This data will be integrated into astrophysical simulations, aiming to precisely predict isomeric abundances from astrophysical rapid-processes. This research enhances our understanding of nuclear processes in cosmic events and contributes to the broader field of astrophysics.
*Summer Undergraduate Research Experience (SURE)Â Fellowship
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