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@TECHREPORT{Porto:171272,
      author       = {Porto, Stefano and Moortgat-Pick, Gudrid A. and Rolbiecki,
                      Krzysztof},
      title        = {{T}owards discrimination of {MSSM} and {NMSSM} scenarios at
                      colliders},
      number       = {DESY-14-042},
      reportid     = {DESY-2014-03224, DESY-14-042},
      abstract     = {One of the challenging tasks at future experiments is the
                      clear identification of the underlying new physics model. In
                      this study we concentrate on the distinction between
                      different supersymmetric models, the MSSM and the NMSSM,
                      exploring the gaugino/higgsino sector as an alternative to
                      the Higgs sector. Under the assumption that only the light
                      chargino and neutralino masses and polarized cross sections
                      $e^+e^-\to \tilde{\chi}^0_i\tilde{\chi}^0_j$,
                      $\tilde{\chi}^+_i\tilde{\chi}^-_j$ have been measured, we
                      perform a fit of the fundamental MSSM parameters $M_1$,
                      $M_2$, $\mu$ and $\tan\beta$ and study whether a model
                      distinction is possible. We focus here on the challenging
                      cases of scenarios with a relatively heavy singlino and
                      address two classes of neutralino mixing,
                      $\tilde{\chi}^0_1\sim$higgsino-like versus
                      $\tilde{\chi}^0_1\sim$gaugino-like.},
      month         = {Nov},
      date          = {2013-11-11},
      organization  = {International Workshop on Future
                       Linear Colliders, Tokio (Japan), 11 Nov
                       2013 - 15 Nov 2013},
      cin          = {FLC},
      cid          = {I:(DE-H253)FLC-20120731},
      pnm          = {513 - Preparation for a future lepton collider (POF2-513)},
      pid          = {G:(DE-HGF)POF2-513},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)15},
      url          = {https://bib-pubdb1.desy.de/record/171272},
}