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SUMMARY:Diboson precision measurements with the Higgs at LHC and FCC-hh - 
 Alejo Rossia (Manchester)
DTSTART:20221007T150000Z
DTEND:20221007T160000Z
UID:TALK178223@talks.cam.ac.uk
CONTACT:Maeve Madigan
DESCRIPTION:The possibility of precision measurements at hadron colliders 
 has attracted much interest over the last few years. Among other processes
 \, diboson production stands out as a way to probe EW and Higgs dynamics a
 nd indirectly constrain New Physics. This kind of process is already studi
 ed at LHC\, despite being handicapped by the need for decay channels with 
 high uncertainties. The higher luminosity and centre-of-mass energy of the
  future FCC-hh collider would allow us to probe these processes with rarer
  but cleaner final states that are inaccessible at the LHC. The Wh and Zh 
 production processes constitute an excellent example of this\, since they 
 can already be studied at LHC when the Higgs boson decays to bottom-anti-b
 ottom pairs\, while FCC-hh would allow us to study them also when the Higg
 s decays to photons.\nI will first focus on the diphoton leptonic decay ch
 annels of the Wh and Zh production processes and discuss our study of thes
 e channels at the FCC-hh in the SMEFT framework. I will show how doubly di
 fferential distributions can be used to gain even better sensitivity to ce
 rtain higher-dimensional EFT operators. I will also compare our projection
 s with those for future lepton colliders to emphasize their complementarit
 y. Then\, I'll show our results using the bottom-pair decay channel of the
  Higgs boson at LHC\, HL-LHC and FCC-hh\, discuss the limitations of this 
 channel at HL-LHC\, and how both Higgs decay channels compare at FCC-hh.\n
  \nBased on arXiv:2004.06122\, arXiv:2011.13941\, and 2208.11134\n\nThe sl
 ides are available "here":https://www.hep.phy.cam.ac.uk/~conference/Rossia
 _Vh_Cambridge_2022_PDF.pdf
LOCATION:Potter Room (B1.19)
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