Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session H09: Hadronic Interactions
10:45 AM–12:33 PM,
Sunday, April 14, 2019
Sheraton
Room: Governor's Square 11
Sponsoring
Units:
DNP GHP
Chair: Kenneth Hicks, Ohio University
Abstract: H09.00002 : Preliminary results for η/η' photoproduction cross sections between 3 and 6 GeV at the GlueXexperiment*
10:57 AM–11:09 AM
View Presentation Abstract
Presenter:
Mahmoud M Kamel
(Florida International University)
Author:
Mahmoud M Kamel
(Florida International University)
Collaboration:
Gluex Collaboration
The GlueX experiment at Jefferson Lab studies the light meson spectrum and searches for hybrid and exotic mesons. As part of this program we determine photoproduction cross sections in a new, previously unexplored kinematic regime, thus providing fundamental information about underlying reaction mechanisms. During the Fall 2018 run period, a subset of low energy photoproduction data has been collected over 4 days. The status of cross section analysis for photoproduced η/η' mesons will be presented for beam energies between 2.9 and 5.9 GeV. The η mesons have been identified through two decay channels, γγ and π+ π− π0. The η' mesons have been identified via the decay channels, π+ π− η, and π+ π− γ. From these data, branching ratios were extracted that can be compared to published Particle Data Group (PDG) values and provide calibration information.
*This work is supported in part by the Department of Energy contract DESC0013620
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