Search for heavy neutral leptons in decays of W bosons using leptonic and semi-leptonic displaced vertices in SQUARE ROOTs = 13 TeV pp collisions with the ATLAS detector
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F25%3A10511237" target="_blank" >RIV/00216208:11320/25:10511237 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=SimPg1cl9j" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=SimPg1cl9j</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/JHEP07(2025)196" target="_blank" >10.1007/JHEP07(2025)196</a>
Alternative languages
Result language
angličtina
Original language name
Search for heavy neutral leptons in decays of W bosons using leptonic and semi-leptonic displaced vertices in SQUARE ROOTs = 13 TeV pp collisions with the ATLAS detector
Original language description
A search is performed for long-lived heavy neutral leptons (HNLs), producedthrough the decay of a W boson along with a muon or electron. Two channels are explored:a leptonic channel, in which the HNL decays into two leptons and a neutrino, and a semileptonicchannel, in which the HNL decays into a lepton and a charged pion. The search isperformed with 140 fb-1 of SQUARE ROOTs = 13TeV proton-proton collision data collected by ATLASduring Run 2 of the Large Hadron Collider. No excess of events is observed; Dirac-like andMajorana-like HNLs with masses below 14.5 GeV and mixing coefficients as small as 10-7 areexcluded at the 95% confidence level. The results are interpreted under different assumptionson the flavour of the leptons from the HNL decays.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10300 - Physical sciences
Result continuities
Project
<a href="/en/project/EH22_008%2F0004632" target="_blank" >EH22_008/0004632: Fundamental constituents of matter through frontier technologies</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of High Energy Physics
ISSN
1029-8479
e-ISSN
1029-8479
Volume of the periodical
2025
Issue of the periodical within the volume
07
Country of publishing house
DE - GERMANY
Number of pages
53
Pages from-to
196
UT code for WoS article
001551850500001
EID of the result in the Scopus database
2-s2.0-105021171816