Upgraded photon calorimeter with integrating readout for Hall A Compton Polarimeter at Jefferson Lab
Abstract
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 system (DAQ) 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 Gd2SiO5 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.
- Authors:
-
- Carnegie Mellon Univ., Pittsburgh, PA (United States)
- Carnegie Mellon Univ., Pittsburgh, PA (United States); Univ. of Washington, Seattle, WA (United States). Center for Experimental Nuclear Physics and Astrophysics and Dept. of Physics
- Carnegie Mellon Univ., Pittsburgh, PA (United States); Christopher Newport Univ., Newport News, VA (United States)
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Univ. of Virginia, Charlottesville, VA (United States)
- Syracuse Univ., NY (United States). Dept. of Physics
- Publication Date:
- Research Org.:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1038448
- Report Number(s):
- JLAB-PHY-11-1357; DOE/OR/23177-1730; arXiv:1108.3116
Journal ID: ISSN 0168-9002; NIMAER; TRN: US1201876
- Grant/Contract Number:
- AC05-06OR23177; FG02-87ER40315
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
- Additional Journal Information:
- Journal Volume: 676; Journal ID: ISSN 0168-9002
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ACCURACY; CALORIMETERS; DATA ACQUISITION SYSTEMS; ELECTRON BEAMS; PHOTONS; POLARIMETERS; POLARIZATION
Citation Formats
Friend, M., Parno, D., Benmokhtar, F., Camsonne, A., Dalton, M. M., Franklin, G. B., Mamyan, V., Michaels, R., Nanda, S., Nelyubin, V., Paschke, K., Quinn, B., Rakhman, A., Souder, P., and Tobias, A. Upgraded photon calorimeter with integrating readout for Hall A Compton Polarimeter at Jefferson Lab. United States: N. p., 2012.
Web. doi:10.1016/j.nima.2012.02.041.
Friend, M., Parno, D., Benmokhtar, F., Camsonne, A., Dalton, M. M., Franklin, G. B., Mamyan, V., Michaels, R., Nanda, S., Nelyubin, V., Paschke, K., Quinn, B., Rakhman, A., Souder, P., & Tobias, A. Upgraded photon calorimeter with integrating readout for Hall A Compton Polarimeter at Jefferson Lab. United States. https://doi.org/10.1016/j.nima.2012.02.041
Friend, M., Parno, D., Benmokhtar, F., Camsonne, A., Dalton, M. M., Franklin, G. B., Mamyan, V., Michaels, R., Nanda, S., Nelyubin, V., Paschke, K., Quinn, B., Rakhman, A., Souder, P., and Tobias, A. 2012.
"Upgraded photon calorimeter with integrating readout for Hall A Compton Polarimeter at Jefferson Lab". United States. https://doi.org/10.1016/j.nima.2012.02.041. https://www.osti.gov/servlets/purl/1038448.
@article{osti_1038448,
title = {Upgraded photon calorimeter with integrating readout for Hall A Compton Polarimeter at Jefferson Lab},
author = {Friend, M. and Parno, D. and Benmokhtar, F. and Camsonne, A. and Dalton, M. M. and Franklin, G. B. and Mamyan, V. and Michaels, R. and Nanda, S. and Nelyubin, V. and Paschke, K. and Quinn, B. and Rakhman, A. and Souder, P. and Tobias, A.},
abstractNote = {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 system (DAQ) 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 Gd2SiO5 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.},
doi = {10.1016/j.nima.2012.02.041},
url = {https://www.osti.gov/biblio/1038448},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
issn = {0168-9002},
number = ,
volume = 676,
place = {United States},
year = {Fri Jun 01 00:00:00 EDT 2012},
month = {Fri Jun 01 00:00:00 EDT 2012}
}
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Mapping electromagnetic fields structure in plasma using a spin polarized electron beam
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