Search for a resonance decaying into a scalar particle and a Higgs boson in final states with leptons and two photons in proton-proton collisions at SQUARE ROOTs = 13 TeV with the ATLAS detector

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F24%3A10494643" target="_blank" >RIV/00216208:11320/24:10494643 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=EiePGEUQpV" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=EiePGEUQpV</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/JHEP10(2024)104" target="_blank" >10.1007/JHEP10(2024)104</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Search for a resonance decaying into a scalar particle and a Higgs boson in final states with leptons and two photons in proton-proton collisions at SQUARE ROOTs = 13 TeV with the ATLAS detector

Popis výsledku v původním jazyce

A search for a hypothetical heavy scalar particle, X, decaying into a singlet scalarparticle, S, and a Standard Model Higgs boson, H, using 140 fb-1 of proton-proton collisiondata at the centre-of-mass energy of 13TeV recorded with the ATLAS detector at the LHCis presented. The explored mass range is 300 &lt;= mX &lt;= 1000 GeV and 170 &lt;= mS &lt;= 500 GeV.The signature of this search is one or two leptons (e or μ) from the decay of vector bosonsoriginating from the S particle, S RIGHTWARDS ARROW W+-WMINUS-OR-PLUS SIGN/ZZ, and two photons from the Higgs bosondecay, H RIGHTWARDS ARROW γγ. No significant excess is observed above the expected Standard Modelbackground. The observed (expected) upper limits at the 95% confidence level on the crosssectionfor gg RIGHTWARDS ARROW X RIGHTWARDS ARROW SH, assuming the same S RIGHTWARDS ARROW WW/ZZ branching ratios as for aSM-like heavy Higgs boson, are between 530 (800) fb and 120 (170) fb.

Název v anglickém jazyce

Search for a resonance decaying into a scalar particle and a Higgs boson in final states with leptons and two photons in proton-proton collisions at SQUARE ROOTs = 13 TeV with the ATLAS detector

Popis výsledku anglicky

A search for a hypothetical heavy scalar particle, X, decaying into a singlet scalarparticle, S, and a Standard Model Higgs boson, H, using 140 fb-1 of proton-proton collisiondata at the centre-of-mass energy of 13TeV recorded with the ATLAS detector at the LHCis presented. The explored mass range is 300 &lt;= mX &lt;= 1000 GeV and 170 &lt;= mS &lt;= 500 GeV.The signature of this search is one or two leptons (e or μ) from the decay of vector bosonsoriginating from the S particle, S RIGHTWARDS ARROW W+-WMINUS-OR-PLUS SIGN/ZZ, and two photons from the Higgs bosondecay, H RIGHTWARDS ARROW γγ. No significant excess is observed above the expected Standard Modelbackground. The observed (expected) upper limits at the 95% confidence level on the crosssectionfor gg RIGHTWARDS ARROW X RIGHTWARDS ARROW SH, assuming the same S RIGHTWARDS ARROW WW/ZZ branching ratios as for aSM-like heavy Higgs boson, are between 530 (800) fb and 120 (170) fb.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10300 - Physical sciences

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of High Energy Physics

ISSN

1029-8479

e-ISSN

—

Svazek periodika

2024

Číslo periodika v rámci svazku

10

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

46

Strana od-do

104

Kód UT WoS článku

001426706400001

EID výsledku v databázi Scopus

2-s2.0-85206483633