Search for Higgs boson production in association with a high-energy photon via vector-boson fusion with decay into bottom quark pairs at √s = 13 TeV with the ATLAS detector

ATLAS Collaboration, G Aad, Torsten Åkesson, Eric Edward Corrigan, Caterina Doglioni, Jannik Geisen, Eva Brottmann Hansen, Vincent Hedberg, Göran Jarlskog, Balazs Konya, Else Lytken, Katja Mankinen, Caterina Marcon, Ulf Mjörnmark, Geoffrey André Adrien Mullier, Ruth Pöttgen, Trine Poulsen, Eleni Skorda, Oxana Smirnova, L Zwalinski

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Sammanfattning

A search is presented for the production of the Standard Model Higgs boson in association with a high-energy photon. With a focus on the vector-boson fusion process and the dominant Higgs boson decay into b-quark pairs, the search benefits from a large reduction of multijet background compared to more inclusive searches. Results are reported from the analysis of 132 fb−1 of pp collision data at s = 13 TeV collected with the ATLAS detector at the LHC. The measured Higgs boson signal yield in this final-state signature is 1.3 ± 1.0 times the Standard Model prediction. The observed significance of the Higgs boson signal above the background is 1.3 standard deviations, compared to an expected significance of 1.0 standard deviations. [Figure not available: see fulltext.] © 2021, The Author(s).
Originalspråkengelska
Artikelnummer268
TidskriftJournal of High Energy Physics
Volym2021
Nummer3
DOI
StatusPublished - 2021

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