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@ARTICLE{Zheng:892489,
      author       = {Zheng, X. and Deur, A. and Kang, H. and Kühn, Sebastian
                      Paul and Ripani, M. and Zhang, Jiayuan and Adhikari, K. P.
                      and Adhikari, S. and Amaryan, M. J. and Atac, H. and
                      Avakian, H. and Barion, L. and Battaglieri, M. and
                      Bedlinskiy, I. and Benmokhtar, F. and Bianconi, A. and
                      Biselli, A. S. and Boiarinov, S. and Bondì, M. and Bossù,
                      F. and Bosted, P. and Briscoe, W. J. and Brock, J. and
                      Brooks, W. K. and Bulumulla, D. and Burkert, V. D. and
                      Carlin, C. and Carman, D. S. and Carvajal, J. C. and
                      Celentano, A. and Chatagnon, P. and Chetry, T. and Chen,
                      J.-P. and Choi, S. and Ciullo, G. and Clark, L. and Cole, P.
                      L. and Contalbrigo, M. and Crede, V. and D’Angelo, A. and
                      Dashyan, N. and De Vita, R. and Defurne, M. and Diehl, S.
                      and Djalali, C. and Drozdov, V. A. and Dupre, R. and
                      Ehrhart, M. and El Alaoui, A. and El Fassi, L. and
                      Elouadrhiri, L. and Eugenio, P. and Fedotov, G. and Fegan,
                      S. and Fersch, R. and Filippi, A. and Forest, T. A. and
                      Ghandilyan, Y. and Gilfoyle, G. P. and Giovanetti, K. L. and
                      Girod, F.-X. and Glazier, D. I. and Gothe, R. W. and
                      Griffioen, K. A. and Guidal, M. and Guler, N. and Guo, L.
                      and Hafidi, K. and Hakobyan, H. and Hattawy, M. and Hayward,
                      T. B. and Heddle, D. and Hicks, K. and Hobart, A. and
                      Holmstrom, T. and Holtrop, M. and Ilieva, Y. and Ireland, D.
                      G. and Isupov, E. L. and Jo, H. S. and Joo, K. and Joosten,
                      S. and Keith, C. D. and Keller, D. and Khanal, A. and
                      Khandaker, M. and Kim, C. W. and Kim, W. and Klein, Felix
                      and Kripko, A. and Kubarovsky, V. and Lanza, L. and Leali,
                      M. and Lenisa, P. and livingston, K. and Long, E. and
                      MacGregor, I. J. D. and Markov, Aleksandr and Marsicano, L.
                      and Mascagna, V. and McKinnon, B. and Meekins, D. G. and
                      Mineeva, T. and Mirazita, M. and Mokeev, V. and Mullen, C.
                      and Nadel-Turonski, P. and Neupane, K. and Niccolai, S. and
                      Osipenko, M. and Ostrovidov, A. I. and Paolone, M. and
                      Pappalardo, L. and Park, K. and Pasyuk, E. and Phelps, W.
                      and Phillips, S. K. and Pogorelko, O. and Poudel, J. and
                      Prok, Y. and Raue, B. A. and Ritman, J. and Rizzo, A. and
                      Rosner, G. and Rossi, P. and Rowley, J. and Sabatié, F. and
                      Salgado, C. and Schmidt, Anne and Tichelbäcker, Laura and
                      Seely, M. L. and Sharabian, Y. G. and Shrestha, U. and
                      Širca, S. and Slifer, K. and Sparveris, N. and Stepanyan,
                      S. and Strakovsky, I. I. and Strauch, S. and Sulkosky, V.
                      and Tyler, N. and Ungaro, M. and Venturelli, L. and
                      Voskanyan, H. and Voutier, E. and Watts, D. P. and Wei, X.
                      and Weinstein, L. B. and Wood, M. H. and Yale, B. and
                      Zachariou, N. and Zhao, Z. W.},
      title        = {{M}easurement of the proton spin structure at long
                      distances},
      journal      = {Nature physics},
      volume       = {9},
      issn         = {1745-2481},
      address      = {Basingstoke},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2021-02109},
      pages        = {873},
      year         = {2021},
      abstract     = {Measuring the spin structure of protons and neutrons tests
                      our understanding of how they arise from quarks and gluons,
                      the fundamental building blocks of nuclear matter. At long
                      distances, the coupling constant of the strong interaction
                      becomes large, requiring non-perturbative methods to
                      calculate quantum chromodynamics processes, such as lattice
                      gauge theory or effective field theories. Here we report
                      proton spin structure measurements from scattering a
                      polarized electron beam off polarized protons. The
                      spin-dependent cross-sections were measured at large
                      distances, corresponding to the region of low momentum
                      transfer squared between 0.012 and 1.0 GeV2. This
                      kinematic range provides unique tests of chiral effective
                      field theory predictions. Our results show that a complete
                      description of the nucleon spin remains elusive, and call
                      for further theoretical works, for example, in lattice
                      quantum chromodynamics. Finally, our data extrapolated to
                      the photon point agree with the Gerasimov–Drell–Hearn
                      sum rule, a fundamental prediction of quantum field theory
                      that relates the anomalous magnetic moment of the proton to
                      its integrated spin-dependent cross-sections.},
      cin          = {IKP-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IKP-1-20111104},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612) / 6G12 -
                      FAIR (GSI) (POF4-6G12)},
      pid          = {G:(DE-HGF)POF4-612 / G:(DE-HGF)POF4-6G12},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000639048800001},
      doi          = {10.1038/s41567-021-01198-z},
      url          = {https://juser.fz-juelich.de/record/892489},
}