This process, denoted in the following as QED FSR (Fig. 1), can be calculated sep- arately from QED initial-state radiation or QED ISR (Fig. 2) and from initial-final-state interference (IFI) thanks to gauge invariance. Owing both to the kinematic selections applied to the final state ...
theWandZvector bosons. Demonstrating the existence of gauge couplings is an essential test of the spontaneous electroweak symmetry-breaking mechanism5,6,7,8,9. The second type of coupling involves another fundamental interaction, the Yukawa interaction, between the Higgs boson and matter particles, or...
In the latter case the LQ is a massive gauge boson and has additional couplings to the SM gauge bosons, resulting in enhanced cross-sections. B is assumed to be unaffected by these couplings since the corresponding decays are either forbidden or heavily suppressed. Since no higher-order cross-...
pair production of top quarks with an additional bosont\bar{t}+X(X = H, W, Z) and the production of dileptonic events from either one or two massive gauge bosons (WandZbosons). The generators for the hard-scatter processes and the...
Search for supersymmetry at $$sqrt{s}=13$$ s = 13 TeV in final states with jets and two same-sign leptons or three leptons with the ATLAS detector主要由G. Aadnull nullB. AbbottJ. AbdallahO. AbdinovB. AbeloosR. AbenM. AbolinsO. S. AbouZeidH. AbramowiczH.
The mediator connecting two top quarks can be a gluon, a neutral electroweak gauge boson (γ or Z ), or a Higgs boson Eur. Phys. J. C (2023) 83:496 [21]. Illustrative Feynman diagrams for SM tt¯tt¯ production are shown in Fig. 1. Other rare multi-top-quark production ...
Brout, Broken symmetry and the mass of gauge vector mesons. Phys. Rev. Lett. 13, 321 (1964). https://doi.org/ 10.1103/PhysRevLett.13.321 7. P.W. Higgs, Broken symmetries and the masses of gauge bosons. Phys. Rev. Lett. 13, 508 (1964). https://doi.org/10.1103/ PhysRevLett....