Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at root= 13 TeV with the ATLAS detector
- Aad, G.
- Abbott, B.
- Abbott, D.C.
- Abeling, K.
- Abidi, S.H.
- Aboulhorma, A.
- Abramowicz, H.
- Abreu, H.
- Abulaiti, Y.
- Abusleme Hoffman, A.C.
- Acharya, B.S.
- Achkar, B.
- Adam Bourdarios, C.
- Adamczyk, L.
- Adamek, L.
- Addepalli, S.V.
- Adelman, J.
- Adiguzel, A.
- Adorni, S.
- Adye, T.
- et al.
DOIAbstract
Published: June 29, 2023A search for long-lived particles decaying into hadrons is presented. The analysis uses 139 fb−1 of pp collision data collected at s√ = 13 TeV by the ATLAS detector at the LHC using events that contain multiple energetic jets and a displaced vertex. The search employs dedicated reconstruction techniques that significantly increase the sensitivity to long-lived particles decaying in the ATLAS inner detector. Background estimates for Standard Model processes and instrumental effects are extracted from data. The observed event yields are compatible with those expected from background processes. The results are used to set limits at 95% confidence level on model-independent cross sections for processes beyond the Standar...
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