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Search for exotic decays of the Higgs boson into bb¯¯ and missing transverse momentum in pp collisions at s√ = 13 TeV with the ATLAS detector
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The ATLAS collaboration (Including: Becker, K., Facini, G., Harrison, P. F., Jones, E., Martin, T. A., Morgenstern, S., Murray, W. J., Roberts, B. A., Spangenberg, M. and Vladimirov, V. E.). (2022) Search for exotic decays of the Higgs boson into bb¯¯ and missing transverse momentum in pp collisions at s√ = 13 TeV with the ATLAS detector. Journal of High Energy Physics, 2022 . 63. doi:10.1007/JHEP01(2022)063 ISSN 1029-8479.
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Official URL: https://doi.org/10.1007/JHEP01(2022)063
Abstract
A search for the exotic decay of the Higgs boson (H) into a bb¯¯ resonance plus missing transverse momentum is described. The search is performed with the ATLAS detector at the Large Hadron Collider using 139 fb−1 of pp collisions at s√ = 13 TeV. The search targets events from ZH production in an NMSSM scenario where H → χ∼02χ∼01, with χ∼02 → aχ∼01, where a is a light pseudoscalar Higgs boson and χ∼01,2 are the two lightest neutralinos. The decay of the a boson into a pair of b-quarks results in a peak in the dijet invariant mass distribution. The final-state signature consists of two leptons, two or more jets, at least one of which is identified as originating from a b-quark, and missing transverse momentum. Observations are consistent with Standard Model expectations and upper limits are set on the product of cross section times branching ratio for a three-dimensional scan of the masses of the χ∼02, χ∼01 and a boson.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
| Journal or Publication Title: | Journal of High Energy Physics | ||||||
| Publisher: | Springer | ||||||
| ISSN: | 1029-8479 | ||||||
| Official Date: | 13 January 2022 | ||||||
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| Volume: | 2022 | ||||||
| Article Number: | 63 | ||||||
| DOI: | 10.1007/JHEP01(2022)063 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) |
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