Search for nonresonant Higgs boson pair production in the four leptons plus twob jets final state in proton-proton collisions at SQUARE ROOTs=13 TeV

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F23%3A10492707" target="_blank" >RIV/00216208:11320/23:10492707 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=xYIqFzmosy" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=xYIqFzmosy</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/JHEP06(2023)130" target="_blank" >10.1007/JHEP06(2023)130</a>

Result language
angličtina
Original language name
Search for nonresonant Higgs boson pair production in the four leptons plus twob jets final state in proton-proton collisions at SQUARE ROOTs=13 TeV
Original language description
The first search for nonresonant production of Higgs boson pairs (HH) with one H decaying into four leptons and the other into a pair of b quarks is presented, using proton-proton collisions recorded at a center-of-mass energy of root s = 13TeV by the CMS experiment. The analyzed data correspond to an integrated luminosity of 138 fb(-1). A 95% confidence level upper limit of 32.4 is set on the signal strength modifier mu, defined as the ratio of the observed HH production rate in the HH -> ZZ* b (b) over bar -> 4 lb (b) over bar decay channel to the standard model (SM) expectation. Possible modifications of the H trilinear coupling lambda(HHH) with respect to the SM value are investigated. The coupling modifier kappa(lambda), defined as lambda(HHH) divided by its SM prediction, is constrained to be within the observed (expected) range -8.8 (-9.8) < kappa(lambda) < 13.4 (15.0) at 95% confidence level.
Czech name
—
Czech description
—

Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10300 - Physical sciences

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Similar results(10)