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SUMMARY:HiDDeN webinar: Cosmic QCD epoch at large lepton flavour asymmetri
 es.
DTSTART;VALUE=DATE-TIME:20240319T150000Z
DTEND;VALUE=DATE-TIME:20240319T160000Z
DTSTAMP;VALUE=DATE-TIME:20260610T161735Z
UID:indico-event-7513@indico.ific.uv.es
DESCRIPTION:The new era of gravitational waves measurements offers a way 
 to obtain insight into the evolution the Universe before big bang nucleosy
 nthesis. Of particular interest are the electroweak (EW) epoch at roughly 
 100 GeV and the epoch of quantum-chromodynamics (QCD) at roughly 150 MeV. 
  While according to the standard model of particle physics both transiti
 ons are expected to be cross-overs\, there are many non-standard scenarios
  leading to a first-order cosmic EW transition but only a few that could l
 ead to a first-order cosmic QCD transition. I will discuss how large lepto
 n flavour asymmetries impact the cosmic trajectory during the QCD epoch. L
 epton asymmetry is one of the key parameters to understand the origin of t
 he matter-antimatter asymmetry but also one of the most poorly constrained
  cosmological parameters. I will introduce two different methods to calc
 ulate the cosmic trajectory including large lepton flavour asymmetries\, o
 ne using results from lattice QCD and another one using results from funct
 ional QCD.\n\nhttps://indico.ific.uv.es/event/7513/
LOCATION:online online
URL:https://indico.ific.uv.es/event/7513/
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