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SUMMARY:IFIC Seminar: Placing Bounds on the Seesaw with Photons
DTSTART;VALUE=DATE-TIME:20240123T110000Z
DTEND;VALUE=DATE-TIME:20240123T123000Z
DTSTAMP;VALUE=DATE-TIME:20260421T044853Z
UID:indico-event-7405@indico.ific.uv.es
DESCRIPTION:The Dimension-5 Seesaw Portal is a Type-I Seesaw model extende
 d by d=5 operators involving the sterile neutrino states\, leading to new 
 interactions between all neutrinos and the Standard Model neutral bosons. 
 In this work we focus primarily on the implications of these new operators
  at the GeV-scale. We first revisit LEP constraints on the new interaction
 s. Second\, we turn to heavy neutrino pair production from Higgs decays\, 
 where the former are long-lived and disintegrate into a photon and a light
  neutrino. We perform a detailed recast of the search\, which relies on th
 e arrival time $t_\\gamma$ and pointing variable $|\\Delta z_\\gamma|$. Us
 ing Higgs production with an associated lepton\, we place bounds on the ef
 fective operators.\n \n\nhttps://indico.ific.uv.es/event/7405/
LOCATION:Universe 1001-Primera-1-1-1 - Paterna. Seminario
URL:https://indico.ific.uv.es/event/7405/
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