Higgs production
Web10. The electron-positron pair can produce directly a Higgs boson, but this process is very suppressed, because the coupling between the leptons and the Higgs is proportional to the tiny mass m e: g H e e = − i m e v, where v ≈ 246 G e V. On the other hand, the process e + e − → H Z is more likely to happen, because the coupling between ... WebBased on our experience, we plan to study di-Higgs boson production, which is essential to probe the important Higgs boson self-coupling, in the !! → $$ %%& decay mode. The postdoc position is limited to a duration of three years with the possibility of …
Higgs production
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Web26 de ago. de 2024 · We compute the fragmentation functions for the production of a Higgs boson at O $$ \\mathcal{O} $$ ( y t 2 $$ {y}_t^2 $$ αs). As part of this calculation, the relevant splitting functions are also derived at the same perturbative order. Our results can be used to compute differential cross sections with arbitrary top-quark and Higgs-boson … WebThe Higgs production cross sections at the lHC and the decay branching ratios are analyzed. The associated theoretical uncertainties are found to be rather large and …
WebHiggs production via gluon fusion at next-to-leading order Calculation notes Last modi˙ed November 22, 2013 Stefan Richter (University College London) [email protected] 1Introduction At hadron colliders, neutral Higgs bosons can be produced via gluon-gluon fusion, gg !H. The gluons do not couple directly to the Higgs boson, since they are ... Web14 de jan. de 2024 · To experimentally constrain this shape we must measure the Higgs boson self-coupling, which is accessible at the LHC through the simultaneous production of two Higgs bosons. The selected student will join the Portuguese ATLAS team, working in close collaboration with theorists and integrated into our international collaboration.
WebHiggs production, the background can be significantly reduced. The QCD corrections have been computed within the structure function approach and they increase the cross … Web14 de abr. de 2024 · HIGHLIGHTS. who: G. Aad et_al et al. from the (UNIVERSITY) have published the research work: Search for Higgs boson pair production in the two bottom quarks plus two photons final state in pp collisions at s=13u2009u2009TeV with the ATLAS detector, in the Journal: (JOURNAL) what: The continuum background processes of the …
Web1 de nov. de 2024 · The most promising and direct way to measure this coupling is through the detection of a pair of Higgs bosons in the final state. Unfortunately, the production …
WebHiggs production: The left side of this Feynman diagram represents the main production mode of the Higgs boson at the LHC. The incoming particles are two gluons, one from each colliding proton. The gluons then exchange a virtual top quark, which produces a virtual top-antitop pair. This pair then annihilates to produce a real Higgs boson. Higgs ... how do you find an obituaryWeb8 de mai. de 2015 · We have systematically investigated the production of a Higgs boson with a mass of about 125 GeV in the decays of supersymmetric particles within the phenomenological MSSM (pMSSM). We find regions of parameter space that are consistent with all world data and that predict a sizeable rate of anomalous Higgs, di-Higgs and … how do you find allyWebHiggs boson pair production is traditionally considered to be of particular interest for a measurement of the trilinear Higgs self-coupling. Yet it can offer insights into other couplings as well, since - in an effective field theory (EFT) parameterisation of potential new physics - both the production cross section and kinematical properties of the Higgs … phoenix mountain bike priceWeb6 de mar. de 2024 · Higgs-pair production via gluon fusion is the dominant production mechanism of Higgs-boson pairs at hadron colliders. In this work, we present details … how do you find an integerWebHiggs boson production Standard Model production of the Higgs boson at the LHC is dominated by the gluon fusion process (ggF), followed by the vector-boson fusion … how do you find an old obituaryWeb6 de mar. de 2024 · Higgs-pair production via gluon fusion is the dominant production mechanism of Higgs-boson pairs at hadron colliders. In this work, we present details of our numerical determination of the full next-to-leading-order (NLO) QCD corrections to the leading top-quark loops. Since gluon fusion is a loop-induced process at leading order, … how do you find an ionWeb29 de mar. de 2024 · According to the Standard Model, the Higgs boson can interact with itself, resulting in the simultaneous production of two Higgs bosons ("di-Higgs … how do you find an object\u0027s acceleration