Precise Measurement of Deuteron Tensor Analyzing Powers with BLAST
Name
Zhang-2011-Precise Measurement of Deuteron Tensor Analyzing.pdf
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Author(s)
Kohl, Michael
Alarcon, R.
Booth, E.
Calarco, John R.
Crawford, C.
Fatemi, Renee
Filoti, O.
Gao, H.
Geis, E.
Karpius, P.
Date Issued
December 2011
Journal
Physical Review Letters
Publisher
American Physical Society (APS)
Citation
Zhang, C. et al. “Precise Measurement of Deuteron Tensor Analyzing Powers with BLAST.” Physical Review Letters 107.25 (2011): n. pag. Web. 8 Mar. 2012. © 2011 American Physical Society
Version
Final published version
Abstract
We report a precision measurement of the deuteron tensor analyzing powers T[subscript 20] and T[subscript 21] at the MIT-Bates Linear Accelerator Center. Data were collected simultaneously over a momentum transfer range Q=2.15–4.50 fm[superscript -1] with the Bates Large Acceptance Spectrometer Toroid using a highly polarized deuterium internal gas target. The data are in excellent agreement with calculations in a framework of effective field theory. The deuteron charge monopole and quadrupole form factors G[subscript C] and G[subscript Q] were separated with improved precision, and the location of the first node of G[subscript C] was confirmed at Q=4.19±0.05 fm[superscript -1]. The new data provide a strong constraint on theoretical models in a momentum transfer range covering the minimum of T[subscript 20] and the first node of G[subscript C].
MIT Department
Bates Linear Accelerator Center
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.107.252501
