Potential for Precision Measurement of Solar Neutrino Luminosity by HERON

TL;DR

This paper evaluates the HERON detector's potential to precisely measure solar neutrino fluxes from pp and Be7 reactions using superfluid helium, aiming for sub-3% accuracy over five years.

Contribution

It introduces a simulation-based assessment of HERON’s capability to measure solar neutrino fluxes with high precision, highlighting its potential for solar physics research.

Findings

Achieves ~1.7% precision for pp flux

Achieves ~3% precision for Be7 flux

Demonstrates sensitivity to solar orbit eccentricity

Abstract

Results are presented for a simulation carried out to test the precision with which a detector design (HERON) based on a superfluid helium target material should be able to measure the solar pp and Be7 fluxes. It is found that precisions of +/- 1.68% and +/- 2.97% for pp and Be7 fluxes, respectively, should be achievable in a 5-year data sample. The physics motivation to aim for these precisions is outlined as are the detector design, the methods used in the simulation and sensitivity to solar orbit eccentricity.