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Search for exotic decays of the Higgs boson into b¯b and missing transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector
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- Andrean, Stefio Y. (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Backman, Filip (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Barranco Navarro, Laura (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- (creator_code:org_t)
- 2022
- 2022
- English.
- In: Journal of High Energy Physics (JHEP). - 1126-6708 .- 1029-8479. ; :1
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- A search for the exotic decay of the Higgs boson (H) into a b¯b 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∼01χ∼20χ∼10, with χ∼02χ∼20 → aχ∼01aχ∼10, where a is a light pseudoscalar Higgs boson and χ∼01,2χ∼1,20 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∼02χ∼20, χ∼01χ∼10 and a boson.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Hadron-Hadron scattering (experiments)
- Supersymmetry
- Beyond Standard Model
Publication and Content Type
- ref (subject category)
- art (subject category)
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