Matches in SemOpenAlex for { <https://semopenalex.org/work/W4384821157> ?p ?o ?g. }
- W4384821157 abstract "A search is presented for displaced production of Higgs bosons or $Z$ bosons, originating from the decay of a neutral long-lived particle (LLP) and reconstructed in the decay modes $Hrightarrow gammagamma$ and $Zrightarrow ee$. The analysis uses the full Run 2 data set of proton$-$proton collisions delivered by the LHC at an energy of $sqrt{s}=13$ TeV between 2015 and 2018 and recorded by the ATLAS detector, corresponding to an integrated luminosity of 139 fb$^{-1}$. Exploiting the capabilities of the ATLAS liquid argon calorimeter to precisely measure the arrival times and trajectories of electromagnetic objects, the analysis searches for the signature of pairs of photons or electrons which arise from a common displaced vertex and which arrive after some delay at the calorimeter. The results are interpreted in a gauge-mediated supersymmetry breaking model with pair-produced higgsinos that decay to LLPs, and each LLP subsequently decays into either a Higgs boson or a $Z$ boson. The final state includes at least two particles that escape direct detection, giving rise to missing transverse momentum. No significant excess is observed above the background expectation. The results are used to set upper limits on the cross section for higgsino pair production, up to a $tildechi^0_1$ mass of 369 (704) GeV for decays with 100% branching ratio of $tildechi^0_1$ to Higgs ($Z$) bosons for a $tildechi^0_1$ lifetime of 2 ns. A model-independent limit is also set on the production of pairs of photons or electrons with a significant delay in arrival at the calorimeter." @default.
- W4384821157 created "2023-07-21" @default.
- W4384821157 creator A5000091677 @default.
- W4384821157 creator A5000135498 @default.
- W4384821157 creator A5000168881 @default.
- W4384821157 creator A5000228995 @default.
- W4384821157 creator A5000252360 @default.
- W4384821157 creator A5000263756 @default.
- W4384821157 creator A5000266413 @default.
- W4384821157 creator A5000308998 @default.
- W4384821157 creator A5000380896 @default.
- W4384821157 creator A5000384068 @default.
- W4384821157 creator A5000483960 @default.
- W4384821157 creator A5000497789 @default.
- W4384821157 creator A5000513663 @default.
- W4384821157 creator A5000517813 @default.
- W4384821157 creator A5000523990 @default.
- W4384821157 creator A5000529678 @default.
- W4384821157 creator A5000531111 @default.
- W4384821157 creator A5000629060 @default.
- W4384821157 creator A5000636787 @default.
- W4384821157 creator A5000650191 @default.
- W4384821157 creator A5000651340 @default.
- W4384821157 creator A5000657442 @default.
- W4384821157 creator A5000725814 @default.
- W4384821157 creator A5000735499 @default.
- W4384821157 creator A5000749906 @default.
- W4384821157 creator A5000777884 @default.
- W4384821157 creator A5000841268 @default.
- W4384821157 creator A5000851917 @default.
- W4384821157 creator A5000865997 @default.
- W4384821157 creator A5000944968 @default.
- W4384821157 creator A5000998246 @default.
- W4384821157 creator A5001007924 @default.
- W4384821157 creator A5001055214 @default.
- W4384821157 creator A5001123718 @default.
- W4384821157 creator A5001135410 @default.
- W4384821157 creator A5001137482 @default.
- W4384821157 creator A5001216036 @default.
- W4384821157 creator A5001224963 @default.
- W4384821157 creator A5001248848 @default.
- W4384821157 creator A5001252338 @default.
- W4384821157 creator A5001336358 @default.
- W4384821157 creator A5001444616 @default.
- W4384821157 creator A5001485573 @default.
- W4384821157 creator A5001511943 @default.
- W4384821157 creator A5001527621 @default.
- W4384821157 creator A5001528316 @default.
- W4384821157 creator A5001536519 @default.
- W4384821157 creator A5001545503 @default.
- W4384821157 creator A5001658840 @default.
- W4384821157 creator A5001666404 @default.
- W4384821157 creator A5001799080 @default.
- W4384821157 creator A5001857706 @default.
- W4384821157 creator A5001908635 @default.
- W4384821157 creator A5001936040 @default.
- W4384821157 creator A5001960157 @default.
- W4384821157 creator A5001987704 @default.
- W4384821157 creator A5001990510 @default.
- W4384821157 creator A5002010790 @default.
- W4384821157 creator A5002056171 @default.
- W4384821157 creator A5002078762 @default.
- W4384821157 creator A5002125805 @default.
- W4384821157 creator A5002137081 @default.
- W4384821157 creator A5002183808 @default.
- W4384821157 creator A5002300956 @default.
- W4384821157 creator A5002330838 @default.
- W4384821157 creator A5002401302 @default.
- W4384821157 creator A5002441887 @default.
- W4384821157 creator A5002509322 @default.
- W4384821157 creator A5002518203 @default.
- W4384821157 creator A5002518831 @default.
- W4384821157 creator A5002533135 @default.
- W4384821157 creator A5002550441 @default.
- W4384821157 creator A5002577907 @default.
- W4384821157 creator A5002626608 @default.
- W4384821157 creator A5002628591 @default.
- W4384821157 creator A5002727244 @default.
- W4384821157 creator A5002731827 @default.
- W4384821157 creator A5002784579 @default.
- W4384821157 creator A5002809821 @default.
- W4384821157 creator A5002916227 @default.
- W4384821157 creator A5002926510 @default.
- W4384821157 creator A5002962468 @default.
- W4384821157 creator A5003032008 @default.
- W4384821157 creator A5003114284 @default.
- W4384821157 creator A5003123614 @default.
- W4384821157 creator A5003167547 @default.
- W4384821157 creator A5003168738 @default.
- W4384821157 creator A5003244673 @default.
- W4384821157 creator A5003327999 @default.
- W4384821157 creator A5003352125 @default.
- W4384821157 creator A5003360942 @default.
- W4384821157 creator A5003432011 @default.
- W4384821157 creator A5003484098 @default.
- W4384821157 creator A5003484832 @default.
- W4384821157 creator A5003494145 @default.
- W4384821157 creator A5003556762 @default.
- W4384821157 creator A5003561069 @default.
- W4384821157 creator A5003716620 @default.