Eta Decay Width Measurements via Primakoff Effect

Experiment Readiness Review 2017

Compton Calorimeter (CCAL)

Targets

Upgrade of the FCAL

Production Rate Estimation for Compton and Primakoff

Commissioning, Fall 2018

• Commissioning Run Plan, Fall 2018

• Commissioning Run, Fall 2018

• Divider test

Production, Spring 2019

• List of runs

• Alignment

• Data Analysis

Production, Fall 2021

• Preparation for 2021 Run

• Run Plan, Fall 2021

• List of runs 2021

• Alignment

• Corrections to run time due to the beam energy

Production, Summer 2022

• Run Plan, Summer 2022

• Analysis Plan

Hall D PrimEx Meetings

• Summer 2021 Run Coordination Meetings

• Spring 2019 Run Coordination Meetings

• PrimEx-Eta Weekly Meeting

• PrimEx-Eta Daily Run Meeting

• PrimEx (informal) Calibration & Analysis Meeting

Hall D PrimEx simulations

• Primakoff photoproduction of pi0 off Helium4

• Primakoff photoproduction of eta off Helium4

• Hadronic backgrounds

• Omega background (produced in the target and downstream the beam line)

• Beam-induced backgrounds

• Compton photoproduction off electron

• e+e- Pair Production off target