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@ARTICLE{Dupr:897464,
      author       = {Dupré, R. and Hattawy, M. and Baltzell, N. A. and
                      Bültmann, S. and De Vita, R. and El Alaoui, A. and El
                      Fassi, L. and Egiyan, H. and Girod, F. X. and Guidal, M. and
                      Hafidi, K. and Jenkins, D. and Liuti, S. and Perrin, Y. and
                      Stepanyan, S. and Torayev, B. and Voutier, E. and Amaryan,
                      M. J. and Armstrong, W. R. and Atac, H. and Ayerbe Gayoso,
                      C. and Barion, L. and Battaglieri, M. and Bedlinskiy, I. and
                      Benmokhtar, F. and Bianconi, A. and Biselli, A. S. and
                      Bondi, M. and Bossù, F. and Boiarinov, S. and Briscoe, W.
                      J. and Bulumulla, D. and Burkert, V. and Carman, D. S. and
                      Carvajal, J. C. and Caudron, M. and Celentano, A. and
                      Chatagnon, P. and Chesnokov, V. and Chetry, T. and Ciullo,
                      G. and Clary, B. A. and Cole, P. L. and Contalbrigo, M. and
                      Costantini, G. and Crede, V. and D'Angelo, A. and Dashyan,
                      N. and Defurne, M. and Deur, A. and Diehl, S. and Djalali,
                      C. and Ehrhart, M. and Elouadrhiri, L. and Eugenio, P. and
                      Fegan, S. and Filippi, A. and Forest, T. A. and Ghandilyan,
                      Y. and Gilfoyle, G. P. and Gothe, R. W. and Griffioen, K. A.
                      and Hakobyan, H. and Hayward, T. B. and Hicks, K. and
                      Hobart, A. 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 Keller, D. and Khachatryan, G. and Khanal, A. and
                      Khandaker, M. and Kim, A. and Kim, W. and Kripko, A. and
                      Kubarovsky, V. and Kühn, Sebastian Paul and Lanza, L. and
                      Livingston, K. and Kabir, M. L. and Leali, M. and Lenisa, P.
                      and MacGregor, I. J. D. and Marchand, D. and Mascagna, V.
                      and Mayer, M. and McKinnon, B. and Mirazita, M. and Mokeev,
                      V. I. and Neupane, K. and Niccolai, S. and O'Connell, T. R.
                      and Osipenko, M. and Paolone, M. and Pappalardo, L. L. and
                      Paremuzyan, R. and Pasyuk, E. and Payette, D. and Phelps, W.
                      and Pivnyuk, N. and Pogorelko, O. and Poudel, J. and Prok,
                      Y. and Ripani, M. 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 Schumacher, Lennart and
                      Sergeyeva, V. and Sharabian, Y. and Shrestha, U. and Sokhan,
                      D. and Soto, O. and Sparveris, N. and Strakovsky, I. I. and
                      Strauch, S. and Tyler, N. and Ungaro, M. and Venturelli, L.
                      and Voskanyan, H. and Vossen, A. and Watts, D. and Wei,
                      Xiankui and Wei, X. and Weinstein, L. B. and Wishart, R. and
                      Wood, M. H. and Yale, B. and Zachariou, N. and Zhang,
                      Jiayuan and Markov, N.},
      title        = {{M}easurement of deeply virtual {C}ompton scattering off
                      {H}e 4 with the {CEBAF} {L}arge {A}cceptance {S}pectrometer
                      at {J}efferson {L}ab},
      journal      = {Physical review / C},
      volume       = {104},
      number       = {2},
      issn         = {2469-9993},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2021-03802},
      pages        = {025203},
      year         = {2021},
      abstract     = {We report on the measurement of the beam spin asymmetry in
                      the deeply virtual Compton scattering off He-4 using the
                      CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab
                      using a 6 GeV longitudinally polarized electron beam
                      incident on a pressurized He-4 gaseous target. We detail the
                      method used to ensure the exclusivity of the measured
                      reactions, in particular the upgrade of CLAS with a radial
                      time projection chamber to detect the low-energy recoiling
                      He-4 nuclei and an inner calorimeter to extend the photon
                      detection acceptance at forward angles. Our results confirm
                      the theoretically predicted enhancement of the coherent
                      (e(4)He -> e'4He'gamma') beam spin asymmetries compared to
                      those observed on the free proton, while the incoherent
                      (e(4)He -> e'p'gamma'X') asymmetries exhibit a $30\%$
                      suppression. From the coherent data, we were able to
                      extract, in a model-independent way, the real and imaginary
                      parts of the only He-4 Compton form factor, H-A, leading the
                      way toward 3D imaging of the partonic structure of nuclei.},
      cin          = {IKP-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IKP-1-20111104},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612)},
      pid          = {G:(DE-HGF)POF4-612},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000684260300004},
      doi          = {10.1103/PhysRevC.104.025203},
      url          = {https://juser.fz-juelich.de/record/897464},
}