Measurement of cross sections of exclusive $e^+ e^- \to VP$ processes at $\sqrt{s}=10.58$ GeV

TL;DR

This paper reports precise measurements of the cross sections for specific exclusive $e^+ e^- o VP$ processes at 10.58 GeV, combining data from Belle, CLEO, and BaBar to study their energy dependence.

Contribution

First measurement of these exclusive cross sections at 10.58 GeV, providing new data on their energy dependence and contributing to understanding of hadronic production in $e^+ e^-$ collisions.

Findings

Measured cross sections for four $VP$ processes with uncertainties.

Presented energy dependence of cross sections combining multiple experiments.

Results support theoretical models of hadronic production.

Abstract

The cross sections for the reactions $e^+e^- \to \phi\eta, \quad \phi\eta', \quad \rho\eta, \quad \rho\eta'$ have been measured using a data sample of 516 fb$^{-1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The corresponding values of the cross sections are: $1.4 \pm 0.4 \pm 0.1$ fb $(\phi\eta)$, $5.3 \pm 1.1 \pm 0.4$ fb $(\phi\eta')$, $3.1 \pm 0.5 \pm 0.1$ fb $(\rho\eta)$ and $3.3 \pm 0.6 \pm 0.2$ fb $(\rho\eta')$. The energy dependence of the cross sections is presented using Belle measurements together with those of CLEO and BaBar.