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@INPROCEEDINGS{Bacchetta:294061,
      author       = {Bacchetta, Alessandro and Radici, Marco},
      title        = {{C}onstraining quark angular momentum with the {S}ivers
                      function},
      address      = {Hamburg},
      publisher    = {Deutsches Elektronen-Synchrotron, DESY},
      reportid     = {PUBDB-2016-00973, DESY-PROC-2012-02},
      pages        = {971-974},
      year         = {2012},
      abstract     = {The determination of quark angular momentum requires the
                      knowledge of the generalized parton distribution E in the
                      forward limit. We assume a connection between this function
                      and the Sivers transverse-momentum distribution, based on
                      model calculations and theoretical considerations. Using
                      this assumption, we show that it is possible to fit at the
                      same time nucleon magnetic moments and semi-inclusive
                      single-spin asymmetries. This imposes additional constraints
                      on the Sivers function and opens a plausible way to
                      quantifying quark angular momentum.},
      month         = {Mar},
      date          = {2012-03-26},
      organization  = {20th International Workshop on
                       Deep-Inelastic Scattering and Related
                       Subjects, Bonn (Germany), 26 Mar 2012 -
                       30 Mar 2012},
      keywords     = {quark: angular momentum (INSPIRE) / Sivers function
                      (INSPIRE)},
      cin          = {L},
      cid          = {I:(DE-H253)L-20120731},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      experiment   = {EXP:(DE-H253)HERA(machine)-20150101},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)15},
      doi          = {10.3204/DESY-PROC-2012-02/50},
      url          = {https://bib-pubdb1.desy.de/record/294061},
}