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@ARTICLE{Kaminska:155152,
author = {Kaminska, Anna and Ross, Graham G. and Schmidt-Hoberg, Kai},
title = {{N}on-universal gaugino masses and fine tuning implications
for {SUSY} searches in the {MSSM} and the {GNMSSM} ar{X}iv},
reportid = {DESY-2013-01301, DESY-13-140. arXiv:1308.4168},
year = {2013},
abstract = {For the case of the MSSM and the most general form of the
NMSSM (GNMSSM) we determine the reduction in the fine tuning
that follows from allowing gaugino masses to be
non-degenerate at the unification scale, taking account of
the LHC8 bounds on SUSY masses, the Higgs mass bound, gauge
coupling unification and the requirement of an acceptable
dark matter density. We show that low-fine tuned points fall
in the region of gaugino mass ratios predicted by specific
unified and string models. For the case of the MSSM the
minimum fine tuning is still large, approximately 1:60
allowing for a 3 GeV uncertainty in the Higgs mass (1:500
for the central value), but for the GNMSSM it is below 1:20.
We find that the spectrum of SUSY states corresponding to
the low-fine tuned points in the GNMSSM is often compressed,
weakening the LHC bounds on coloured states. The prospect
for testing the remaining low-fine-tuned regions at LHC14 is
discussed. arXiv},
cin = {T},
cid = {I:(DE-H253)T-20120731},
pnm = {514 - Theoretical Particle Physics (POF2-514)},
pid = {G:(DE-HGF)POF2-514},
experiment = {EXP:(DE-MLZ)NOSPEC-20140101},
typ = {PUB:(DE-HGF)25 / PUB:(DE-HGF)15},
eprint = {1308.4168},
howpublished = {arXiv:1308.4168},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:1308.4168;\%\%$},
url = {https://bib-pubdb1.desy.de/record/155152},
}