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

Aad G.Abbott B.Abbott D.C.Abed Abud A.Abeling K.Abhayasinghe D.K.Abidi S.H.AbouZeid O.S.Abraham N.L.Abramowicz H.Abreu H.Abulaiti Y.2021-06-022021-06-022021-03Journal of High Energy, AccessVolume 2021, Issue 3March 2021 Article number 26810298479http://repositorio.unab.cl/xmlui/handle/ria/19001Indexación ScopusA 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).enTop Quark; PartonsHiggs BosonsHadron-Hadron scattering (experiments)Higgs physicsSearch 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 detectorArtículo10.1007/JHEP03(2021)268