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Title: The double spin asymmetry of nitrogen in elastic and quasielastic kinematics from a solid ammonia dynamically polarized target

Abstract

Solid ammonia is commonly used as a dynamically polarized proton target for electron and muon scattering cross-section asymmetry measurements. As spin 1$$^{+}$$ particles, the $$^{14}$$N nuclei in the target are also polarized and contribute a non-trivial asymmetry background that should be addressed. HereWe describe here a method to extract the nitrogen contribution to the asymmetry, and report the cross-section asymmetries of electron-nitrogen scattering at beam energies of $E=1.7$ GeV and $E=2.2$ GeV, and momentum transfer of $$Q^{2}=0.023-0.080$$ GeV$$^{2}$$.

Authors:
 [1];  [2];  [3]; ORCiD logo [4];  [5];  [1]
+ Show Author Affiliations
  1. Hebrew Univ. of Jerusalem (Israel). Racah Inst. of Physics
  2. Dalhousie Univ., Halifax, NS (Canada); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Saint Mary's Univ., Halifax, NS (Canada)
  3. Univ. of Virginia, Charlottesville, VA (United States)
  4. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  5. Saint Mary's Univ., Halifax, NS (Canada)
Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
OSTI Identifier:
1564093
Alternate Identifier(s):
OSTI ID: 1561378
Report Number(s):
JLAB-PHY-19-3035; DOE/; OR/23177-4774; arXiv:1905.12550
Journal ID: ISSN 0168-9002; TRN: US2000850
Grant/Contract Number:  
AC05-06OR23177
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 946; Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; DNP; Nitrogen asymmetry; Proton form factor; DSA

Citation Formats

Friedman, Moshe, Campbell, J., Day, Donal, Higinbotham, D. W., Sarty, A., and Ron, G. The double spin asymmetry of nitrogen in elastic and quasielastic kinematics from a solid ammonia dynamically polarized target. United States: N. p., 2019. Web. doi:10.1016/j.nima.2019.162701.
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Friedman, Moshe, Campbell, J., Day, Donal, Higinbotham, D. W., Sarty, A., & Ron, G. The double spin asymmetry of nitrogen in elastic and quasielastic kinematics from a solid ammonia dynamically polarized target. United States. https://doi.org/10.1016/j.nima.2019.162701
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Friedman, Moshe, Campbell, J., Day, Donal, Higinbotham, D. W., Sarty, A., and Ron, G. Thu . "The double spin asymmetry of nitrogen in elastic and quasielastic kinematics from a solid ammonia dynamically polarized target". United States. https://doi.org/10.1016/j.nima.2019.162701. https://www.osti.gov/servlets/purl/1564093.
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@article{osti_1564093,
title = {The double spin asymmetry of nitrogen in elastic and quasielastic kinematics from a solid ammonia dynamically polarized target},
author = {Friedman, Moshe and Campbell, J. and Day, Donal and Higinbotham, D. W. and Sarty, A. and Ron, G.},
abstractNote = {Solid ammonia is commonly used as a dynamically polarized proton target for electron and muon scattering cross-section asymmetry measurements. As spin 1$^{+}$ particles, the $^{14}$N nuclei in the target are also polarized and contribute a non-trivial asymmetry background that should be addressed. HereWe describe here a method to extract the nitrogen contribution to the asymmetry, and report the cross-section asymmetries of electron-nitrogen scattering at beam energies of $E=1.7$ GeV and $E=2.2$ GeV, and momentum transfer of $Q^{2}=0.023-0.080$ GeV$^{2}$.},
doi = {10.1016/j.nima.2019.162701},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 946,
place = {United States},
year = {Thu Sep 05 00:00:00 EDT 2019},
month = {Thu Sep 05 00:00:00 EDT 2019}
}
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Publisher's Version of Record
https://doi.org/10.1016/j.nima.2019.162701
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