Searches for hidden sectors using K+ → π+ X decays

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F25%3A10509850" target="_blank" >RIV/00216208:11320/25:10509850 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=dhMETKq5.U" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=dhMETKq5.U</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/JHEP11(2025)143" target="_blank" >10.1007/JHEP11(2025)143</a>

Result language
angličtina
Original language name
Searches for hidden sectors using K+ → π+ X decays
Original language description
Results from the study of the rare decays K+ -> pi(+)nu(nu) over bar, K+ -> pi(+)mu(+)mu(-) and K+ -> pi(+)gamma gamma at the NA62 experiment at CERN are interpreted in terms of improved limits for B(K+-> pi X+) and coupling parameters of hidden-sector models, where X is a mediator. World-leading limits are achieved for dark photon, dark scalar and axion-like particle models.
Czech name
—
Czech description
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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
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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