Speaker
Viviana A Arroyave Flechas
(Florida International University)
Description
The PrimEx eta experiment aims to extract the eta radiative decay width by measuring the cross section for eta photo-production via the Primakoff Effect. This decay width will help with the determination of the eta-eta’ mixing angle and the ratio of the light quark masses. The experiment took data in Hall D at Jefferson Lab using the GlueX detector in 2019, 2021, and just recently in fall of 2022. We will describe the experimental technique, discuss the status of the experiment, and explain how we plan to extract the radiative decay width from measurement on a helium target.
This work was partially supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics under contracts DE-SC0013620 and DE-AC05-06OR23177.
Co-authors
Alexander Somov
(Jefferson Lab)
Andrew Smith
Ashot Gasparian
(NC A&T State University)
Igal Jaegle
(jlab)
Joerg Reinhold
(Florida International University)
Liping Gan
(University of NC Wilmington)
