Measurement of the Antineutrino Spectrum from ${}^{235}$U Fission at HFIR with PROSPECT

PROSPECT Collaboration, J. Ashenfelter, A. B. Balantekin +67

This Letter reports the first measurement of the ${}^{235}$U $\overline{{\nu }_e}$ energy spectrum by PROSPECT, the Precision Reactor Oscillation and Spectrum experiment, operating 7.9m…