Determination of Kinematical Bins for η and η' Electroproduction with JLab's CLAS12 Detector

The CLAS12 physics program is involved in the studies of the nucleon resonance spectrum and structure in electroproduction of a large variety of final states. With new CLAS12 data, we can investigate the electroproduction of the η and η' mesons, which provides a useful tool to study nucleon resonances N*. Due to the fact that both η and η' have isospin I = 0 this provides an “isospin filter” that allows us to access nucleon resonances where I = ½. This work uses the 6.5 GeV data collected by CLAS12, with center of mass energy W ∼ 1-3 GeV, photon virtuality Q² ∼ 0-6 GeV², and luminosity 54 fb^-1. The purpose of this work is to measure the differential cross section for η and η’ electroproduction. For this measurement, we determine the bins and bin sizes for the kinematical parameters W, Q², cosθ*, and ϕ*. We use a reduced dataset with the missing mass technique for final states ep → e'pX, where X is inferred to be η or η'. Each distribution per bin of the 4 parameters is fit in order to extract the number of η. We can apply similar analysis to η'. Finally, for verification and comparison we perform Monte Carlo simulations. This talk shows preliminary data, and this work is in contrast to the bulk of the current world database, which focuses on πN final states.