# Solar neutrino problem as evidence of new interaction

## TL;DR

This paper proposes a new interaction involving massless pseudoscalar bosons to explain the solar neutrino problem, aligning theoretical predictions with experimental observations.

## Contribution

It introduces a novel hypothesis of neutrino-nucleon interaction mediated by massless pseudoscalar bosons, with a single free parameter, to resolve the solar neutrino discrepancy.

## Key findings

- Good agreement between calculations and experimental data
- Neutrino handedness changes during interactions
- Energy decreases with each collision

## Abstract

A new concept is proposed to solve the solar neutrino problem, that is based on a hypothesis about the existence of a new interaction of electron neutrinos with nucleons mediated by massless pseudoscalar bosons. At every collision of a neutrino with nucleons of the Sun, its handedness changes from left to right and vice versa, and its energy decreases. The postulated hypothesis, having only one free parameter, provides a good agreement between the calculated and experimental characteristics of all five observed processes with solar neutrinos.