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Quasielastic 3He→(e→,e′) asymmetry in the threshold region with a longitudinally polarized target

Journal articles  - Journal Article
Nycz, M; Armstrong, W; Averett, T; Gayoso, CA; Bai, X; Bane, J; Barcus, S; Benesch, J; Bhatt, H; Bhetuwal, D; Biswas, D; Camsonne, A; Chen, J ...
Published in: Physics Letters Section B Nuclear Elementary Particle and High Energy Physics
September 1, 2026
Published version (DOI)

We report on the measurements of the double-spin asymmetry from electron-3He scattering in the threshold region of two- and three-body breakup of 3He for 4-momentum transfer values of 0.1 and 0.2 (GeV/ c)2. The measurement was done at Jefferson Lab using a polarized 3He target with its spin aligned parallel to the beam direction. This asymmetry is sensitive to a combination of spin-dependent response functions not previously measured and may highlight differences in two body forces, meson-exchange currents and final-state interactions. The results of this measurement serve as a test of our understanding of few-body systems. When compared with calculations from plane wave impulse approximation and Faddeev calculations, we found that the latter, which use modern nuclear potentials and prescriptions for meson-exchange currents, demonstrate an overall good agreement with data.

Duke Scholars

Haiyan Gao
Author Haiyan Gao Physics
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Published In

Physics Letters Section B Nuclear Elementary Particle and High Energy Physics

DOI

10.1016/j.physletb.2026.140742

ISSN

0370-2693

Publication Date

September 1, 2026

Volume

880

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
 

Citation

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Nycz, M., Armstrong, W., Averett, T., Gayoso, C. A., Bai, X., Bane, J., … Zhao, Z. (2026). Quasielastic 3He→(e→,e′) asymmetry in the threshold region with a longitudinally polarized target. Physics Letters Section B Nuclear Elementary Particle and High Energy Physics, 880. https://doi.org/10.1016/j.physletb.2026.140742
Nycz, M., W. Armstrong, T. Averett, C. A. Gayoso, X. Bai, J. Bane, S. Barcus, et al. “Quasielastic 3He→(e→,e′) asymmetry in the threshold region with a longitudinally polarized target.” Physics Letters Section B Nuclear Elementary Particle and High Energy Physics 880 (September 1, 2026). https://doi.org/10.1016/j.physletb.2026.140742.
Nycz M, Armstrong W, Averett T, Gayoso CA, Bai X, Bane J, et al. Quasielastic 3He→(e→,e′) asymmetry in the threshold region with a longitudinally polarized target. Physics Letters Section B Nuclear Elementary Particle and High Energy Physics. 2026 Sep 1;880.
Nycz, M., et al. “Quasielastic 3He→(e→,e′) asymmetry in the threshold region with a longitudinally polarized target.” Physics Letters Section B Nuclear Elementary Particle and High Energy Physics, vol. 880, Sept. 2026. Scopus, doi:10.1016/j.physletb.2026.140742.
Nycz M, Armstrong W, Averett T, Gayoso CA, Bai X, Bane J, Barcus S, Benesch J, Bhatt H, Bhetuwal D, Biswas D, Camsonne A, Cates GD, Chen JP, Chen J, Chen M, Cotton C, Dalton MM, Deltuva A, Deur A, Dhital B, Duran B, Dusa SC, Fernando I, Fuchey E, Gamage BR, Gao H, Gaskell D, Gautam T, Gauthier N, Golak J, Hansen JO, Hauenstein F, Henry W, Higinbotham DW, Huber GM, Jantzi C, Jia S, Jin K, Jones M, Joosten S, Karki A, Karki B, Katugampola S, Kay S, Keppel C, King E, King P, Korsch W, Kumar V, Li R, Li S, Li W, Mack D, Malace S, Markowitz P, Matter J, McCaughan M, Meziani ZE, Michaels R, Mkrtchyan A, Mkrtchyan H, Morean C, Nelyubin V, Nguyen H, Niculescu G, Niculescu M, Peng C, Premathilake S, Puckett A, Rathnayake A, Rehfuss M, Reimer P, Riley G, Roblin Y, Roche J, Roy M, Sauer PU, Scopeta S, Satnik M, Sawatzky B, Seeds S, Širca SS, Skibiński R, Smith G, Sparveris N, Szumila-Vance H, Tadepalli A, Tadevosyan V, Tian Y, Tobias WA, Usman A, Voskanyan H, Witała H, Wood S, Yale B, Yero C, Yoon A, Zhang J, Zhao Z. Quasielastic 3He→(e→,e′) asymmetry in the threshold region with a longitudinally polarized target. Physics Letters Section B Nuclear Elementary Particle and High Energy Physics. 2026 Sep 1;880.
Journal cover image

Published In

Physics Letters Section B Nuclear Elementary Particle and High Energy Physics

DOI

10.1016/j.physletb.2026.140742

ISSN

0370-2693

Publication Date

September 1, 2026

Volume

880

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences