Measurement of the 3He spin-structure functions and of neutron (3He) spin-dependent sum rules at 0.035 ≤ Q2 ≤ 0.24 GeV2
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, Journal Article
Sulkosky, V; Singh, JT; Peng, C; Chen, JP; Deur, A; Abrahamyan, S; Aniol, KA; Armstrong, DS; Averett, T; Bailey, SL; Beck, A; Bertin, P ...
Published in: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
June 10, 2020
The spin-structure functions g1 and g2, and the spin-dependent partial cross-section σTT have been extracted from the polarized cross-sections differences, Δσ∥(ν,Q2) and Δσ⊥(ν,Q2) measured for the He3→(e→,e′)X reaction, in the E97-110 experiment at Jefferson Lab. Polarized electrons with energies from 1.147 to 4.404 GeV were scattered at angles of 6∘ and 9∘ from a longitudinally or transversely polarized 3He target. The data cover the kinematic regions of the quasi-elastic, resonance production and beyond. From the extracted spin-structure functions, the first moments Γ1‾(Q2), Γ2(Q2) and ITT(Q2) are evaluated with high precision for the neutron in the Q2 range from 0.035 to 0.24GeV2. The comparison of the data and the chiral effective field theory predictions reveals the importance of proper treatment of the Δ degree of freedom for spin observables.
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Published In
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
DOI
ISSN
0370-2693
Publication Date
June 10, 2020
Volume
805
Related Subject Headings
- Nuclear & Particles Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0201 Astronomical and Space Sciences
- 0105 Mathematical Physics
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Sulkosky, V., Singh, J. T., Peng, C., Chen, J. P., Deur, A., Abrahamyan, S., … Voutier, E. (2020). Measurement of the 3He spin-structure functions and of neutron (3He) spin-dependent sum rules at 0.035 ≤ Q2 ≤ 0.24 GeV2. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 805. https://doi.org/10.1016/j.physletb.2020.135428
Sulkosky, V., J. T. Singh, C. Peng, J. P. Chen, A. Deur, S. Abrahamyan, K. A. Aniol, et al. “Measurement of the 3He spin-structure functions and of neutron (3He) spin-dependent sum rules at 0.035 ≤ Q2 ≤ 0.24 GeV2.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 805 (June 10, 2020). https://doi.org/10.1016/j.physletb.2020.135428.
Sulkosky V, Singh JT, Peng C, Chen JP, Deur A, Abrahamyan S, et al. Measurement of the 3He spin-structure functions and of neutron (3He) spin-dependent sum rules at 0.035 ≤ Q2 ≤ 0.24 GeV2. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2020 Jun 10;805.
Sulkosky, V., et al. “Measurement of the 3He spin-structure functions and of neutron (3He) spin-dependent sum rules at 0.035 ≤ Q2 ≤ 0.24 GeV2.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 805, June 2020. Scopus, doi:10.1016/j.physletb.2020.135428.
Sulkosky V, Singh JT, Peng C, Chen JP, Deur A, Abrahamyan S, Aniol KA, Armstrong DS, Averett T, Bailey SL, Beck A, Bertin P, Butaru F, Boeglin W, Camsonne A, Cates GD, Chang CC, Choi S, Chudakov E, Coman L, Cornejo JC, Craver B, Cusanno F, De Leo R, de Jager CW, Denton JD, Dhamija S, Feuerbach R, Finn JM, Frullani S, Fuoti K, Gao H, Garibaldi F, Gayou O, Gilman R, Glamazdin A, Glashausser C, Gomez J, Hansen JO, Hayes D, Hersman B, Higinbotham DW, Holmstrom T, Humensky TB, Hyde CE, Ibrahim H, Iodice M, Jiang X, Kaufman LJ, Kelleher A, Keister KE, Kim W, Kolarkar A, Kolb N, Korsch W, Kramer K, Kumbartzki G, Lagamba L, Lainé V, Laveissiere G, Lerose JJ, Lhuillier D, Lindgren R, Liyanage N, Lu HJ, Ma B, Margaziotis DJ, Markowitz P, McCormick K, Meziane M, Meziani ZE, Michaels R, Moffit B, Monaghan P, Nanda S, Niedziela J, Niskin M, Pandolfi R, Paschke KD, Potokar M, Puckett AJR, Punjabi VA, Qiang Y, Ransome R, Reitz B, Roché R, Saha A, Shabetai A, Širca S, Slifer K, Snyder R, Solvignon P, Stringer R, Subedi R, Tobias WA, Ton N, Ulmer PE, Urciuoli GM, Vacheret A, Voutier E. Measurement of the 3He spin-structure functions and of neutron (3He) spin-dependent sum rules at 0.035 ≤ Q2 ≤ 0.24 GeV2. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2020 Jun 10;805.
Published In
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
DOI
ISSN
0370-2693
Publication Date
June 10, 2020
Volume
805
Related Subject Headings
- Nuclear & Particles Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0201 Astronomical and Space Sciences
- 0105 Mathematical Physics