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SUMMARY:Tagging rare top\, Z and Higgs decays at colliders - Jernej Kameni
 k
DTSTART:20231124T143000Z
DTEND:20231124T153000Z
UID:TALK207373@talks.cam.ac.uk
CONTACT:Luca Mantani
DESCRIPTION:Recent advances in jet tagging allow for high-energy colliders
  such as the LHC and prospective FCC to place phenomenologically relevant 
 bounds on rare top\, Z and Higgs decays involving flavored jets. In partic
 ular\, I will present a novel strategy for measuring branching fractions o
 f top quark decays\, targeting specifically t→jW\, where j is a light qu
 ark jet. Including additional complementary observables into existing anal
 yses paves the way to access directly the standard model value of |Vtd|^2 
 + |Vts|^2 at the HL-LHC. A similar strategy can be exploited at the FCC-ee
  to probe flavor violating Z and Higgs boson decays to quarks. In particul
 ar\, I will discuss the prospects for reaching the SM value of Br(Z→bs)\
 , as well as for surpassing indirect neutral meson mixing constraints on q
 uark flavour changing Higgs boson couplings.
LOCATION:MR19 (Potter Room\, Pavilion B)\, CMS
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