Search for direct production of electroweakinos in final states with missing transverse momentum and a Higgs boson decaying into photons in pp collisions at √s= 13 TeV with the ATLAS detector

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F20%3A00534242" target="_blank" >RIV/68378271:_____/20:00534242 - isvavai.cz</a>
Result on the web
<a href="http://hdl.handle.net/11104/0312470" target="_blank" >http://hdl.handle.net/11104/0312470</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/JHEP10(2020)005" target="_blank" >10.1007/JHEP10(2020)005</a>

Result language
angličtina
Original language name
Search for direct production of electroweakinos in final states with missing transverse momentum and a Higgs boson decaying into photons in pp collisions at √s= 13 TeV with the ATLAS detector
Original language description
A search for a chargino-neutralino pair decaying via the 125 GeV Higgs boson into photons is presented. The study is based on the data collected between 2015 and 2018 with the ATLAS detector at the LHC, corresponding to an integrated luminosity of 139 fb−1^{−1}−1 of pp collisions at a centre-of-mass energy of 13 TeV. No significant excess over the expected background is observed. Upper limits at 95% confidence level for a massless χ~10 { ilde{chi}}_1^0 χ~10 are set on several electroweakino production cross-sections and the visible cross-section for beyond the Standard Model processes. In the context of simplified supersymmetric models, 95% confidence-level limits of up to 310 GeV in m(χ~1±/χ~20) mleft({ ilde{chi}}_1^{pm }/{ ilde{chi}}_2^0 ight) m(χ~1±/χ~20), where m(χ~10) mleft({ ilde{chi}}_1^0 ight) m(χ~10) = 0.5 GeV, are set.
Czech name
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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
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OECD FORD branch
10303 - Particles and field physics

Project
<a href="/en/project/LTT17018" target="_blank" >LTT17018: Getting new knowledge of the microworld using the CERN infrastructure</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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