Higgs Boson Portal

ATLAS

PUBLISHED

BEYOND SM

Search for Higgs boson decays to beyond-the-Standard-Model light bosons in four-lepton events with the ATLAS detector at

\sqrt{s}=13

TeV

A search is conducted for a beyond-the-Standard-Model boson using events where a Higgs boson with mass 125 GeV decays to four leptons (â = e or Î¼). This decay is presumed to occur via an intermedia...

ATLAS

PRELIMINARY

BEYOND SM

Search for new phenomena in events with missing transverse momentum and a Higgs boson decaying to two photons in p p collisions at \sqrt{s} = 13 TeV with the ATLAS detector

A search is presented for new phenomena in events with large missing transverse momentum and a Higgs boson decaying to two photons. The search uses 3.2 fb $^{-1}$ of proton-proton collision data collec...

ATLAS

PRELIMINARY

BEYOND SM

Search for heavy resonances decaying to a

W

or

Z

boson and a Higgs boson in final states with leptons and

b

-jets in 36.1~fb

^{-1}

of

pp

collision data at

\sqrt s = 13

~\TeV\ with the ATLAS detector

A search is presented for new resonances decaying to a $W$ or $Z$ boson and a 125~\GeV\ Higgs boson (h) in the $\nu\bar{\nu}b\bar{b}$ , $\ell^{\pm}{\nu}b\bar{b}$ , and $\ell^+\ell^-b\bar{b}$ final state...

ATLAS

PRELIMINARY

BEYOND SM

Search for Minimal Supersymmetric Standard Model Higgs Bosons

H/A

in the

\tau\tau

final state in up to 13.3 fb

^{â1}

of pp collisions at

\sqrt{s}

= 13 TeV with the ATLAS Detector

A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is performed using a data sample corresponding to an integrated luminosity of up to 13.3 fb $^{-1}$ from proton--pr...

ATLAS

PRELIMINARY

SM

Measurements of the total cross sections for Higgs boson production combining the

H \to \gamma \gamma

and

H \to ZZ^* \to 4\ell

decay channels at 7, 8 and 13 TeV center-of-mass energies with the ATLAS detector

Measurements of total cross sections are presented for Higgs boson production in proton-proton collisions recorded by the ATLAS detector at the Large Hadron Collider. The data correspond to 4.5 fb$^{-...

ATLAS

PRELIMINARY

BEYOND SM

Search for additional heavy neutral Higgs and gauge bosons in the ditau final state produced in 36.1 fb

^{-1}

of

pp

collisions at

\sqrt{s}

= 13 TeV with the ATLAS detector

A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) and for heavy neutral $Z^{\prime}$ bosons is performed using a data sample corresponding to an integrated luminosi...

ATLAS

PUBLISHED

BEYOND SM

Search for chargino and neutralino production in final states with a Higgs boson and missing transverse momentum at

\sqrt{s} = 13

TeV with the ATLAS detector

A search is conducted for the electroweak pair production of a chargino and a neutralino $pp \rightarrow \tilde\chi^\pm_1 \tilde\chi^0_2$ , where the chargino decays into the lightest neutralino and a ...

ATLAS

PUBLISHED

SM

Search for a Standard Model Higgs boson in the

H \to ZZ \to l^{+}l^{-}\nu\overline{\nu}

decay channel with the ATLAS detector

A search for a heavy Standard Model Higgs boson decaying via H->ZZ->llnunu, where l=e,mu, is presented. It is based on proton-proton collision data at sqrt(s)=7 TeV, collected by the ATLAS experiment ...

ATLAS

PRELIMINARY

BEYOND SM

Search for resonant and non-resonant Higgs boson pair production in the

b\bar b\tau^+\tau^-

decay channel using 13 TeV

pp

collision data from the ATLAS detector

A search for Higgs boson pair production in events with two $b$ -jets and two $\tau$ -leptons is presented, using a $pp$ collision data set with an integrated luminosity of 139~\text{fb}^{-1} collecte...

ATLAS

PRELIMINARY

SM

Observation and measurement of Higgs boson decays to

WW^\ast

with ATLAS at the LHC

We report the observation of the production of the Higgs boson in its decay to $WW^\ast$ , based on an excess over background in the dilepton final state of $6.1$ standard deviations, where the standar...

ATLAS

PRELIMINARY

BEYOND SM

Search for exotic decays of the Higgs boson to at least one photon and missing transverse momentum using 79.8 fb

^{-1}

of proton--proton collisions collected at

\sqrt{s}=13

TeV with the ATLAS detector

A search for Standard Model Higgs bosons decaying into at least one photon and missing transverse momentum is performed using 79.8 fb $^{-1}$ of protonâproton collisions collected at $\sqrt{s}=13$ Te...

ATLAS

PRELIMINARY

BEYOND SM

Search for the Standard Model Higgs boson produced in association with top quarks and decaying to

b\bar{b}

in pp collisions at

\sqrt{s} =

8 TeV with the ATLAS detector at the LHC

A search for the Standard Model Higgs boson produced in association with a pair of top quarks, $t\bar{t}H$ , is presented. The analysis uses 20.3 fb $^{-1}$ of $pp$ collision data at $\sqrt{s}=8$ TeV, c...

ATLAS

PUBLISHED

BEYOND SM

Search for neutral MSSM Higgs bosons decaying to

\tau^+ \tau^-

pairs in proton-proton collisions at

\sqrt{s}

= 7 TeV with the ATLAS detector

A search for neutral Higgs bosons decaying to pairs of tau leptons with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of 7 Te...

ATLAS

PUBLISHED

SM

Study of

(W/Z)H

production and Higgs boson couplings using

H \rightarrow WW^{\ast}

decays with the ATLAS detector

A search for Higgs boson production in association with a $W$ or $Z$ boson, in the $H \rightarrow WW^{\ast}$ decay channel, is performed with a data sample collected with the ATLAS detector at the LHC...

ATLAS

PRELIMINARY

BEYOND SM

Search for doubly charged Higgs boson production in multi-lepton final states using 139\,\text{fb}^{-1} of proton--proton collisions at \sqrt{s}= 13\,\text{TeV} with the ATLAS detector

A search for pair production of doubly charged Higgs ( $H^{\pm \pm}$ ) bosons, each decaying into a pair of prompt, isolated, and highly energetic leptons with the same electric charge, is presented. Th...

ATLAS

PRELIMINARY

BEYOND SM

Search for Higgs boson decays into two spin-0 particles in the

bb\mu\mu

final state with the ATLAS detector in

pp

collisions at

\sqrt{s}=13

TeV

This note presents a search for decays of the Higgs boson with a mass of 125 GeV to a pair of new spin-0 particles, $H\rightarrow aa$ , where one $a$ -boson decays to a $b$ -quark pair and the other to a...

ATLAS

PRELIMINARY

SM

Measurements of the Higgs boson inclusive, differential and production cross sections in the 4

\ell

decay channel at

\sqrt{s}

= 13 TeV with the ATLAS detector

Inclusive, differential and production mode cross sections of the Higgs boson are measured in the $H \to ZZ^{*} \to 4\ell$ decay channel. Additionally, cross sections are measured for the main product...

ATLAS

PRELIMINARY

BEYOND SM

Anomaly detection search for new resonances decaying into a Higgs boson and a generic new particle

X

in hadronic final states using

\sqrt{s}

= 13 TeV

pp

collisions with the ATLAS detector

A search is presented for a heavy resonance $Y$ decaying into a Standard Model Higgs boson $H$ and a new particle $X$ in a fully hadronic final state. The full Large Hadron Collider Run 2 $\sqrt{s} = ...

ATLAS

PRELIMINARY

SM

Measurement of the Higgs boson decaying to

b

-quarks produced in association with a top-quark pair in

pp

collisions at

\sqrt{s}=13

TeV with the ATLAS detector

The associated production of a Higgs boson with a top-quark pair is measured in events characterised by the presence of one or two electrons or muons. The Higgs boson decay into a $b$ -quark pair is co...

ATLAS

PRELIMINARY

BEYOND SM

A Search for Resonances Decaying to a

W

or

Z

Boson and a Higgs Boson in the

q\bar{q}^{(\prime)}b\bar{b}

Final State

A search for resonances decaying to a $W$ or $Z$ boson and a Higgs boson in the $q\bar{q}^{(\prime)}b\bar{b}$ final state is described. The search uses 13.3 fb $^{-1}$ of $pp$ collision data at $\sqrt{...