Upgraded photon calorimeter with integrating readout for the Hall A Compton polarimeter at Jefferson Lab

M. Friend; D. Parno; F. Benmokhtar; A. Camsonne; M. M. Dalton; G. B. Franklin; V. Mamyan; R. Michaels; S. Nanda; V. Nelyubin; K. Paschke; B. Quinn; A. Rakhman; P. Souder; A. Tobias

doi:10.1016/j.nima.2012.02.041

Upgraded photon calorimeter with integrating readout for the Hall A Compton polarimeter at Jefferson Lab

M. Friend, D. Parno, F. Benmokhtar, A. Camsonne, M. M. Dalton, G. B. Franklin, V. Mamyan, R. Michaels, S. Nanda, V. Nelyubin, K. Paschke, B. Quinn, A. Rakhman, P. Souder, A. Tobias

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

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 (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.

Original language	English
Pages (from-to)	96-105
Number of pages	10
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	676
DOIs	https://doi.org/10.1016/j.nima.2012.02.041
State	Published - Jun 1 2012
Externally published	Yes

Funding

This work was supported by DOE Grants DE-AC05-06OR23177 , under which Jefferson Science Associates, LLC, operate Jefferson Lab , and DE-FG02-87ER40315 .

Funders	Funder number
U.S. Department of Energy	DE-FG02-87ER40315, DE-AC05-06OR23177

Keywords

Compton polarimeter
Electron beam polarimetry
Integrating DAQ
Jefferson Laboratory

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10.1016/j.nima.2012.02.041

Cite this

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. (2012). Upgraded photon calorimeter with integrating readout for the Hall A Compton polarimeter at Jefferson Lab. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 676, 96-105. https://doi.org/10.1016/j.nima.2012.02.041

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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 (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.",

keywords = "Compton polarimeter, Electron beam polarimetry, Integrating DAQ, Jefferson Laboratory",

author = "M. Friend and D. Parno and F. Benmokhtar and A. Camsonne and Dalton, {M. M.} and Franklin, {G. B.} and V. Mamyan and R. Michaels and S. Nanda and V. Nelyubin and K. Paschke and B. Quinn and A. Rakhman and P. Souder and A. Tobias",

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doi = "10.1016/j.nima.2012.02.041",

language = "English",

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Friend, M, Parno, D, Benmokhtar, F, Camsonne, A, Dalton, MM, Franklin, GB, Mamyan, V, Michaels, R, Nanda, S, Nelyubin, V, Paschke, K, Quinn, B, Rakhman, A, Souder, P & Tobias, A 2012, 'Upgraded photon calorimeter with integrating readout for the Hall A Compton polarimeter at Jefferson Lab', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 676, pp. 96-105. https://doi.org/10.1016/j.nima.2012.02.041

Upgraded photon calorimeter with integrating readout for the Hall A Compton polarimeter at Jefferson Lab. / Friend, M.; Parno, D.; Benmokhtar, F. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 676, 01.06.2012, p. 96-105.

Research output: Contribution to journal › Article › peer-review

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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.

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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.

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KW - Electron beam polarimetry

KW - Integrating DAQ

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JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

ER -

Upgraded photon calorimeter with integrating readout for the Hall A Compton polarimeter at Jefferson Lab

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Keywords

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