TY - JOUR
T1 - Upgraded photon calorimeter with integrating readout for the Hall A Compton polarimeter at Jefferson Lab
AU - Friend, M.
AU - Parno, D.
AU - Benmokhtar, F.
AU - Camsonne, A.
AU - Dalton, M. M.
AU - Franklin, G. B.
AU - Mamyan, V.
AU - Michaels, R.
AU - Nanda, S.
AU - Nelyubin, V.
AU - Paschke, K.
AU - Quinn, B.
AU - Rakhman, A.
AU - Souder, P.
AU - Tobias, A.
N1 - Funding Information:
This work was supported by DOE Grants DE-AC05-06OR23177 , under which Jefferson Science Associates, LLC, operate Jefferson Lab , and DE-FG02-87ER40315 .
PY - 2012/6/1
Y1 - 2012/6/1
N2 - 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 acquisition (DAQ) system now includes an integrating mode, which eliminates several systematic uncertainties inherent in the original counting-DAQ setup. The photon calorimeter has been replaced with a Ce-doped Gd 2SiO 5 crystal, which has a bright output and fast response, and works well for measurements using the new integrating method at electron beam energies from 1 to 6 GeV.
AB - 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 acquisition (DAQ) system now includes an integrating mode, which eliminates several systematic uncertainties inherent in the original counting-DAQ setup. The photon calorimeter has been replaced with a Ce-doped Gd 2SiO 5 crystal, which has a bright output and fast response, and works well for measurements using the new integrating method at electron beam energies from 1 to 6 GeV.
KW - Compton polarimeter
KW - Electron beam polarimetry
KW - Integrating DAQ
KW - Jefferson Laboratory
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U2 - 10.1016/j.nima.2012.02.041
DO - 10.1016/j.nima.2012.02.041
M3 - Article
AN - SCOPUS:84858728465
SN - 0168-9002
VL - 676
SP - 96
EP - 105
JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
ER -