The Korean Physical Society 06130 22, Teheran-ro 7-gil, Gangnam-gu, Seoul, Republic of Korea 610 Representation : Tae Won NOH TEL: 02-556-4737 FAX: 02-554-1643 E-mail : Copyright(C) KPS, All rights reserved.
30 May 2022 to 4 June 2022
Virtual Seoul
Asia/Seoul timezone

Neutrino-flux model for COHERENT

Not scheduled
Virtual Seoul

Virtual Seoul

Poster Accelerator neutrinos Poster


We present the neutrino-flux model for the COHERENT experiment, which relies on pion-decay-at-rest neutrinos from Oak Ridge National Laboratory's Spallation Neutron Source (SNS). The neutrino flux is a common systematic for all neutrino cross-section measurements with COHERENT detectors. Our model is based on a Geant4 simulation of the SNS proton beam and Hg target, allowing us to predict variations in the neutrino flux based on changes to the beam energy or beamline infrastructure. Based on comparison to available low-energy pion-production data, we estimate a flux uncertainty of 10%, motivating the construction of a D2O detector to benchmark the SNS neutrino flux empirically.

Collaboration COHERENT

Primary authors

Diana Parno (Carnegie Mellon University) Rebecca Rapp (Carnegie Mellon University)

Presentation Materials