Test of CP invariance in Higgs boson vector-boson-fusion production using the H→γγ channel with the ATLAS detector

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F23%3A00578280" target="_blank" >RIV/68378271:_____/23:00578280 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21220/23:00373807 RIV/68407700:21340/23:00373807 RIV/68407700:21670/23:00373807 RIV/61989592:15310/23:73623103

Výsledek na webu

<a href="https://hdl.handle.net/11104/0347300" target="_blank" >https://hdl.handle.net/11104/0347300</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevLett.131.061802" target="_blank" >10.1103/PhysRevLett.131.061802</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Test of CP invariance in Higgs boson vector-boson-fusion production using the H→γγ channel with the ATLAS detector

Popis výsledku v původním jazyce

A test of CP invariance in Higgs boson production via vector-boson fusion has been performed in the H→γγ channel using 139  fb-1 of proton-proton collision data at s=13  TeV collected by the ATLAS detector at the LHC. The optimal observable method is used to probe the CP structure of interactions between the Higgs boson and electroweak gauge bosons, as described by an effective field theory. No sign of CP violation is observed in the data. Constraints are set on the parameters describing the strength of the CP-odd component in the coupling between the Higgs boson and the electroweak gauge bosons in two effective field theory bases: d˜ in the HISZ basis and cHW˜ in the Warsaw basis. The results presented are the most stringent constraints on CP violation in the coupling between Higgs and weak bosons. The 95% C.L. constraint on d˜ is derived for the first time and the 95% C.L. constraint on cHW˜ has been improved by a factor of 5 compared to the previous measurement.

Název v anglickém jazyce

Test of CP invariance in Higgs boson vector-boson-fusion production using the H→γγ channel with the ATLAS detector

Popis výsledku anglicky

A test of CP invariance in Higgs boson production via vector-boson fusion has been performed in the H→γγ channel using 139  fb-1 of proton-proton collision data at s=13  TeV collected by the ATLAS detector at the LHC. The optimal observable method is used to probe the CP structure of interactions between the Higgs boson and electroweak gauge bosons, as described by an effective field theory. No sign of CP violation is observed in the data. Constraints are set on the parameters describing the strength of the CP-odd component in the coupling between the Higgs boson and the electroweak gauge bosons in two effective field theory bases: d˜ in the HISZ basis and cHW˜ in the Warsaw basis. The results presented are the most stringent constraints on CP violation in the coupling between Higgs and weak bosons. The 95% C.L. constraint on d˜ is derived for the first time and the 95% C.L. constraint on cHW˜ has been improved by a factor of 5 compared to the previous measurement.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10303 - Particles and field physics

Projekt

<a href="/cs/project/LM2018104" target="_blank" >LM2018104: Výzkumná infrastruktura pro experimenty v CERN</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název periodika

Physical Review Letters

ISSN

0031-9007

e-ISSN

1079-7114

Svazek periodika

131

Číslo periodika v rámci svazku

6

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

23

Strana od-do

061802

Kód UT WoS článku

001162013700001

EID výsledku v databázi Scopus

2-s2.0-85173602641