Abstract
The planned DUNE experiment will have excellent sensitivity to the vector and axial couplings of the electron to the Z boson via precision measurements of neutrino-electron scattering. We investigate the sensitivity of DUNE-PRISM, a movable near detector in the direction perpendicular to the beam line, and find that it will qualitatively impact our ability to constrain the weak couplings of the electron. We translate these neutrino-electron scattering measurements into a determination of the weak mixing angle at low scales and estimate that, with seven years of data taking, the DUNE near detector can be used to measure sin2θW with about 2% precision. We also discuss the impact of combining neutrino-electron scattering data with neutrino trident production at DUNE-PRISM.
| Original language | English (US) |
|---|---|
| Article number | 051803 |
| Journal | Physical review letters |
| Volume | 125 |
| Issue number | 5 |
| DOIs | |
| State | Published - Jul 31 2020 |
Funding
We are extremely grateful to Luke Pickering for providing us with the flux covariance matrix, and we thank Laura Fields and Oleksandr Tomalak for useful discussions. The work of A. d. G. is supported in part by the DOE Office of Science Award No. DE-SC0010143. This Letter has been authored by Fermi Research Alliance, LLC under Contract No. DE-AC02- 07CH11359 with the U.S. Department of Energy, Office of Science, Office of High Energy Physics. Z. T. is supported by Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) under Contract No. 2018/21745-8.
ASJC Scopus subject areas
- General Physics and Astronomy