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Related papers: Precise Predictions for Hadronic Higgs Decays

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We present the NNLL$'$ resummed $2$-jettiness distribution for decays of the Standard Model Higgs boson to a $b\bar{b}$-quark pair and to gluons. The calculation exploits a factorisation formula derived using Soft-Collinear Effective…

High Energy Physics - Phenomenology · Physics 2021-05-12 Simone Alioli , Alessandro Broggio , Alessandro Gavardi , Stefan Kallweit , Matthew A. Lim , Riccardo Nagar , Davide Napoletano , Luca Rottoli

The rate for Higgs (H) bosons production in association with either one (tH) or two ($\mathrm{t\bar{t}}$H) top quarks is measured in final states containing multiple electrons, muons, or tau leptons decaying to hadrons and a neutrino, using…

High Energy Physics - Experiment · Physics 2021-05-04 CMS Collaboration

Since its discovery at the Large Hadron Collider in 2012 the Higgs boson has arguably become the most famous of the Standard Model particles and many measurements have been performed in order to assess its properties. Among others, these…

High Energy Physics - Phenomenology · Physics 2022-09-29 Jonathan Hermann , Daniel Stremmer , Malgorzata Worek

We use the recently proposed jettiness-subtraction scheme to provide the complete calculation of Higgs boson production in association with a jet in hadronic collisions through next-to-next-to-leading order in perturbative QCD. This method…

High Energy Physics - Phenomenology · Physics 2015-08-11 Radja Boughezal , Christfried Focke , Walter Giele , Xiaohui Liu , Frank Petriello

In view of precision studies of the Higgs sector at the Run II of the LHC, the improvement of the accuracy of the theoretical prediction is becoming a pressing issue. In this framework, we detail a calculation of the full Next-to-Leading…

High Energy Physics - Phenomenology · Physics 2015-06-02 Stefano Boselli , Carlo M. Carloni Calame , Guido Montagna , Oreste Nicrosini , Fulvio Piccinini

The associated production of a Higgs boson with a $W$ or $Z$ boson decaying into leptons and where the Higgs boson decays to a $b\bar{b}$ pair is measured in the high vector-boson transverse momentum regime, above 250 GeV, with the ATLAS…

High Energy Physics - Experiment · Physics 2021-04-28 ATLAS Collaboration

We present a fully-differential calculation of the $H\rightarrow b\overline{b}$ decay at next-to-next- to-next-to-leading order (N$^3$LO) accuracy. Our calculation considers diagrams in which the Higgs boson couples directly to the bottom…

High Energy Physics - Phenomenology · Physics 2019-04-30 Roberto Mondini , Matthew Schiavi , Ciaran Williams

This Letter presents a search for the production of new heavy resonances decaying into a Higgs boson and a photon using proton-proton collision data at $\sqrt{s}=13$ TeV collected by the ATLAS detector at the LHC. The data correspond to an…

High Energy Physics - Experiment · Physics 2021-01-06 ATLAS Collaboration

We consider direct diphoton production in hadron collisions. We compute the next-to-next-to-leading order (NNLO) QCD radiative corrections at the fully-differential level. Our calculation uses the q_T subtraction formalism and it is…

High Energy Physics - Phenomenology · Physics 2012-09-17 Leandro Cieri

The processes involving a Higgs boson, a photon(gluon) and a fermion pair pose severe challenges to the experimental analysis. They represent rare decays and production mechanisms of the Higgs boson at LHC. However, they are not Yukawa…

High Energy Physics - Phenomenology · Physics 2015-06-16 Giampiero Passarino

We discuss novel effects in the phenomenology of a light Higgs boson within the context of composite models. We show that large modifications may arise in the decay of a composite Nambu-Goldstone boson Higgs to a photon and a Z boson, h ->…

High Energy Physics - Phenomenology · Physics 2013-11-13 Aleksandr Azatov , Roberto Contino , Andrea Di Iura , Jamison Galloway

Assuming that a non-standard neutral Higgs with an enhanced Yukawa coupling to a bottom quark is observed at future hadron experiments, we propose a method for a better understanding of the Higgs sector. Our procedure is based on "counting"…

High Energy Physics - Phenomenology · Physics 2009-11-10 David Atwood , Shaouly Bar-Shalom , Gad Eilam , Amarjit Soni

We perform the combined analysis of the double Higgs production via gluon fusion in the $b\bar{b} \gamma\gamma$ and $b\bar{b}\tau^+\tau^-$ decay channels at the High-Luminosity LHC (HL-LHC). To validate our analysis, we reproduce the ATLAS…

High Energy Physics - Phenomenology · Physics 2018-07-18 Jeong Han Kim , Yasuhito Sakaki , Minho Son

We have computed the full next-to-leading (NLO) QCD corrections to the differential distributions $d^2\sigma/(dp_T~dy)$ for pseudo-scalar Higgs (A) production at large hadron colliders. This calculation has been carried out using the…

High Energy Physics - Phenomenology · Physics 2009-11-07 B. Field , J. Smith , M. E. Tejeda-Yeomans , W. L. van Neerven

A search for the Higgs boson decaying into a pair of charm quarks is presented. The analysis uses proton-proton collisions to target the production of a Higgs boson in association with a leptonically decaying $W$ or $Z$ boson. The dataset…

High Energy Physics - Experiment · Physics 2022-10-14 ATLAS Collaboration

Measurements are presented of production properties and couplings of the recently discovered Higgs boson using the decays into boson pairs, $H\rightarrow\gamma\gamma$, $H\rightarrow ZZ^{*}\rightarrow 4 \ell$ and $H\rightarrow W W…

High Energy Physics - Experiment · Physics 2014-10-27 ATLAS Collaboration

We discuss the experimental and theoretical uncertainties on precision electroweak observables and their relationship to the indirect constraints on the Higgs-boson mass, $\MH$, in the Standard Model (SM). The critical experimental…

We update the theoretical predictions for the production cross sections of the Standard Model Higgs boson at the Fermilab Tevatron collider, focusing on the two main search channels, the gluon-gluon fusion mechanism $gg \to H$ and the…

High Energy Physics - Phenomenology · Physics 2015-03-13 Julien Baglio , Abdelhak Djouadi

In this work, we study the implication of Higgs precision measurements at future Higgs factories on the MSSM parameter space, focusing on the dominant stop sector contributions. We perform a multi-variable fit to both the signal strength…

High Energy Physics - Phenomenology · Physics 2021-05-26 Honglei Li , Huayang Song , Shufang Su , Wei Su , Jin Min Yang

The identification of a hadron in the final state of hadron-collider events that feature a leptonically decaying vector boson can provide essential information on the parton content of the colliding protons. Moreover, the study of hadrons…

High Energy Physics - Phenomenology · Physics 2024-10-07 Simone Caletti , Aude Gehrmann-De Ridder , Alexander Huss , Adrian Rodriguez Garcia , Giovanni Stagnitto
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