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SUMMARY:Phenomenology of Split Composite Higgs
DTSTART;VALUE=DATE-TIME:20160526T093000Z
DTEND;VALUE=DATE-TIME:20160526T095000Z
DTSTAMP;VALUE=DATE-TIME:20260505T043756Z
UID:indico-contribution-2888@indico.ific.uv.es
DESCRIPTION:Speakers: Andrew Spray (Centre for Theoretical Physics of the 
 Universe\, Institute for Basic Science\, Daejeon)\nLong-lived\, colour-tri
 plet scalars are a generic prediction of unnatural\, or split\, composite 
 Higgs models where the spontaneous global-symmetry breaking scale f > 10 T
 eV and an unbroken SU(5) symmetry is preserved. Since the triplet scalars 
 are pseudo Nambu-Goldstone bosons they are split from the much heavier com
 posite-sector resonances and are the lightest exotic\, coloured states. Th
 is makes them ideal to search for at colliders. Due to discrete symmetries
  the triplet scalar decays via a dimension-six term and given the large su
 ppression scale f is often metastable. We show that existing searches for 
 collider-stable R-hadrons from Run-I at the LHC forbid a triplet scalar ma
 ss below 845 GeV\, whereas with 300 inverse femtobarns at 13 TeV triplet s
 calar masses up to 1.4 TeV can be discovered. For shorter lifetimes displa
 ced-vertex searches provide a discovery reach of up to 1.8 TeV. In additio
 n we present exclusion and discovery reaches of future hadron colliders as
  well as indirect limits that arise from modifications of the Higgs coupli
 ngs.\n\nhttps://indico.ific.uv.es/event/2534/contributions/2888/
LOCATION:
URL:https://indico.ific.uv.es/event/2534/contributions/2888/
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