# Dynamical spin effects in the pion

## TL;DR

This paper incorporates dynamical spin effects into the holographic light-front pion wavefunction, leading to significantly improved predictions of pion properties and form factors, aligning well with experimental data.

## Contribution

It introduces dynamical spin effects into the holographic light-front model, enhancing the accuracy of pion property predictions compared to previous approaches.

## Key findings

- Improved prediction of pion radius and decay constant.
- Enhanced agreement with experimental electromagnetic form factors.
- Better description of photon-to-pion transition form factors.

## Abstract

We take into account dynamical spin effects in the holographic light-front pion wavefunction in order to predict the pion radius, decay constant, the pion electromagnetic and photon-to-pion transition form factors. We report a striking improvement in the description of all data.