Les Houches

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Composite Higgs and Top Partners

Topics of interest:

• Impact of NLO effects on single vector-like quark (VLQ) production (forward tagging jet is a useful tool, how affected by NLO)?
• VLQ decays to W/Z/h+q, with q a light quark are plausible, should be explored for both single and pair production: investigate which channels remain unexplored and if that leads to a significant sensitivity loss.
• Are low mass VLQ B (decaying to h/Z+b) excluded?
• In case of observation, what can we learn about the VLQ nature (multiple, UV completion) from chirality of couplings to W,Z, BRs,…
• What about heavy (charged or neutral) tau partners? (Searches in V/h+tau)
• What is the sensitivity to additional higgses produced in pairs and each decaying to VV, Vgamma or gammagamma? A group on general study has been set up in the Higgs WG: Pair production of heavy Higgs partners

Volunteers:

* Benjamin Fuks (for the NLO study)

* Daniele Barducci: discrimination of the chirality of the VLQ. Perhaps starting look at X53→W+W+b

* Giacomo Cacciapaglia: pair produced Higgs partners (transversal group in Higgs WG), VLQ → H jet (feeds to exotic Higgs production group).

* Alberto Parolini: VLQ nature, tau partners, more Higgses.