The reaction e+e- --> hh recomputed
J.J. Lopez-Villarejo, J.A.M. Vermaseren
TL;DR
This paper corrects a sign error in the calculation of the e+e- --> hh reaction, significantly reducing the predicted cross sections and providing more accurate theoretical predictions.
Contribution
It identifies and corrects a sign mistake in the existing calculations of the e+e- --> hh process, improving the accuracy of theoretical predictions.
Findings
Corrected the sign error in the reaction calculation
Cross sections are reduced by about an order of magnitude
Provides more accurate theoretical predictions for the process
Abstract
We notice that the existing literature about the reaction e+e- --> hh suffers from a mistake in the relative sign between the t-channel and u-channel graphs. Correcting this lowers the crosssections by about an order of magnitude.
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