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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 2.

Sketch of the r-process ejecta model from an NSM. The distance between the observer and the NSM is D. In this model, the ejecta radius is a, subtended angle θ2. The r-process material is distributed in the shell of the ejecta with mass percentage f and density ρ2, and in the core with remaining mass, with radius R, subtended angle θ1, and density ρ2.

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