HOWTO Use EvtGen to simulate particle decays in GlueX

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Contents

Introduction

Much of the event generator work to this point in GlueX has focused on simulating the production of various states and the decays of broad resonances. EvtGen is an event generator widely used in HENP to simulate the decay of particles and narrow resonances, such as the η, φ, and J/ψ. The models for these decays are implemented in an easily extensible framework, can handle multiple sequential decays, and are calculated based on decay helicity amplitudes. More official documentation can be found at this page.

This document gives a brief introduction to the use of EvtGen in the GlueX software framework.