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Measurement of the generalized spin polarizabilities of the neutron in the low-Q 2 region

Publication ,  Journal Article
Sulkosky, V; Peng, C; Chen, JP; Deur, A; Abrahamyan, S; Aniol, KA; Armstrong, DS; Averett, T; Bailey, SJ; Beck, A; Bertin, P; Butaru, F ...
Published in: Nature Physics
June 1, 2021
Published version (DOI)

Understanding the nucleon spin structure in the regime where the strong interaction becomes truly strong poses a challenge to both experiment and theory. At energy scales below the nucleon mass of about 1 GeV, the intense interaction among the quarks and gluons inside the nucleon makes them highly correlated. Their coherent behaviour causes the emergence of effective degrees of freedom, requiring the application of non-perturbative techniques such as chiral effective field theory1. Here we present measurements of the neutron’s generalized spin polarizabilities that quantify the neutron’s spin precession under electromagnetic fields at very low energy-momentum transfer squared down to 0.035 GeV2. In this regime, chiral effective field theory calculations2–4 are expected to be applicable. Our data, however, show a strong discrepancy with these predictions, presenting a challenge to the current description of the neutron’s spin properties.

Duke Scholars

Haiyan Gao
Author Haiyan Gao Physics
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Published In

Nature Physics

DOI

10.1038/s41567-021-01245-9

EISSN

1745-2481

ISSN

1745-2473

Publication Date

June 1, 2021

Volume

17

Issue

6

Start / End Page

687 / 692

Related Subject Headings

  • Fluids & Plasmas
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

Citation

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Sulkosky, V., Peng, C., Chen, J. P., Deur, A., Abrahamyan, S., Aniol, K. A., … Voutier, E. (2021). Measurement of the generalized spin polarizabilities of the neutron in the low-Q 2 region. Nature Physics, 17(6), 687–692. https://doi.org/10.1038/s41567-021-01245-9
Sulkosky, V., C. Peng, J. P. Chen, A. Deur, S. Abrahamyan, K. A. Aniol, D. S. Armstrong, et al. “Measurement of the generalized spin polarizabilities of the neutron in the low-Q 2 region.” Nature Physics 17, no. 6 (June 1, 2021): 687–92. https://doi.org/10.1038/s41567-021-01245-9.
Sulkosky V, Peng C, Chen JP, Deur A, Abrahamyan S, Aniol KA, et al. Measurement of the generalized spin polarizabilities of the neutron in the low-Q 2 region. Nature Physics. 2021 Jun 1;17(6):687–92.
Sulkosky, V., et al. “Measurement of the generalized spin polarizabilities of the neutron in the low-Q 2 region.” Nature Physics, vol. 17, no. 6, June 2021, pp. 687–92. Scopus, doi:10.1038/s41567-021-01245-9.
Sulkosky V, Peng C, Chen JP, Deur A, Abrahamyan S, Aniol KA, Armstrong DS, Averett T, Bailey SJ, 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 FW, 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 KR, Meziane M, Meziani ZE, Michaels R, Moffit B, Monaghan P, Nanda S, Niedziela J, Niskin M, Pandolfi R, Paschke KD, Potokar M, Puckett A, Punjabi VA, Qiang Y, Ransome RD, Reitz B, Roché R, Saha A, Shabetai A, Širca S, Singh JT, 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 generalized spin polarizabilities of the neutron in the low-Q 2 region. Nature Physics. 2021 Jun 1;17(6):687–692.

Published In

Nature Physics

DOI

10.1038/s41567-021-01245-9

EISSN

1745-2481

ISSN

1745-2473

Publication Date

June 1, 2021

Volume

17

Issue

6

Start / End Page

687 / 692

Related Subject Headings

  • Fluids & Plasmas
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 02 Physical Sciences
  • 01 Mathematical Sciences