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Upgraded photon calorimeter with integrating readout for Hall A Compton Polarimeter at Jefferson Lab
M. Friend, D. Parno, F. Benmokhtar +12
The photon arm of the Compton polarimeter in Hall A of Jefferson Lab has been upgraded to allow for electron beam polarization measurements with better than 1% accuracy. The data a…
An LED pulser for measuring photomultiplier linearity
M. Friend, G. B. Franklin, B. Quinn
A light-emitting diode (LED) pulser for testing the low-rate response of a photomultiplier tube (PMT) to scintillator-like pulses has been designed, developed, and implemented. Thi…
New Precision Limit on the Strange Vector Form Factors of the Proton
HAPPEX collaboration, Z. Ahmed, K. Allada +102
The parity-violating cross-section asymmetry in the elastic scattering of polarized electrons from unpolarized protons has been measured at a four-momentum transfer squared Q2 = 0.…
Preliminary Results from Integrating Compton Photon Polarimetry in Hall A of Jefferson Lab
D. Parno, M. Friend, F. Benmokhtar +5
A wide range of nucleon and nuclear structure experiments in Jefferson Lab's Hall A require precise, continuous measurements of the polarization of the electron beam. In our Compto…