Physics reach of the ESSnuSB experiment

Abstract

ESSnuSB is a unique future proposed long-baseline experiment in Sweden to study neutrino oscillation by probing the second oscillation maximum. In this proceeding, we update the flux and efficiencies and re-calculate the sensitivity of ESSnuSB in the standard three flavour scenario. We find that it has excellent sensitivity to the Dirac CP phase ${\delta }_{\mathrm{CP}}$, moderate sensitivity to the mass hierarchy of the neutrinos and limited sensitivity to measure the octant of the atmospheric mixing angle ${\theta }_{23}$. We also find that it has a very good sensitivity to constrain the atmospheric mass squared difference $|\Delta m_{31}^2|$.

arXiv comment5 pages, 5 figures, Prepared for the proceedings of the 17th International Conference on Topics in Astroparticle and Underground Physics (TAUP 2021), August 26 to September 3, 2021, IFIC Valencia, Valencia, Spain (Online), Based on arXiv:2107.07585

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