Double spin asymmetries of inclusive hadron electroproduction from a transversely polarized [superscript 3]He target
Name
PhysRevC.92.015207.pdf
Size
364.5 KB
Format
Adobe PDF
Checksum (MD5)
136c13b992f190973344ad940d2c3216
Author(s)
Zhao, Y. X.
Aniol, K.
Annand, J. R. M.
Averett, T.
Benmokhtar, F.
Bradshaw, P. C.
Bosted, P.
Camsonne, A.
Canan, M.
Cates, G. D.
Date Issued
July 2015
Journal
Physical Review C
Publisher
American Physical Society
Citation
Zhao, Y. X., et al. "Double spin asymmetries of inclusive hadron electroproduction from a transversely polarized [superscript 3]He target." Phys. Rev. C 92, 015207 (July 2015). © 2015 American Physical Society
Version
Final published version
Abstract
We report the measurement of beam-target double spin asymmetries (A[subscript LT]) in the inclusive production of identified hadrons, [→ over e] + [superscript 3]He[superscript ↑] → h + X, using a longitudinally polarized 5.9-GeV electron beam and a transversely polarized [superscript 3]He target. Hadrons (π[superscript ±], K[superscript ±], and proton) were detected at 16[superscript ∘] with an average momentum 〈P[subscript h]〉 = 2.35 GeV/c and a transverse momentum (p[subscript T]) coverage from 0.60 to 0.68 GeV/c. Asymmetries from the [superscript 3]He target were observed to be nonzero for π[superscript ±] production when the target was polarized transversely in the horizontal plane. The π[superscript +] and π[superscript −] asymmetries have opposite signs, analogous to the behavior of A[subscript LT] in semi-inclusive deep-inelastic scattering.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Terms of Use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1103/PhysRevC.92.015207
