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MeV Gamma Rays from Fission: A Distinct Signature of Actinide Production in Neutron Star Mergers

  • Authors: Xilu Wang, Nicole Vassh, Trevor Sprouse, Matthew Mumpower, Ramona Vogt, Jorgen Randrup, and Rebecca Surman

2020 The Astrophysical Journal Letters 903 L3.

  • Provider: AAS Journals

Caption: Figure 1.

The calculated prompt gamma spectra emitted from the spontaneous fission of 252Cf using GEF (black line) and FREYA (red line), as compared with experimental data from Billnert et al. (2013; purple dots) and Qi et al. (2018; gray dots). The prompt gamma spectra emitted from the β-decay of the 125Sn ground state (blue line) taken from ENDF/B-VIII.0 is also shown.

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