Experimental constraint on the $\rho -$ meson form factors in the time--like region

TL;DR

This paper analyzes constraints on the time-like rho-meson form factors derived from BaBar collaboration measurements of the electron-positron annihilation into rho meson pairs at 10.5 GeV.

Contribution

It provides an analysis of experimental data to constrain rho-meson form factors in the time-like region, offering insights into meson structure.

Findings

Constraints on rho-meson form factors derived from experimental data

Analysis of $e^+e^- ightarrow ar ho ho$ reaction at $ oot s=10.5$ GeV

Implications for meson electromagnetic structure

Abstract

The annihilation reaction $e^++e^-\rightarrow \bar \rho+\rho $ is considered. The constraint on time-like $\rho$-meson form factors from the measurement done by the BaBar collaboration at $\sqrt{s}=10.5$ GeV is analyzed.