{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.172650.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/3157726"}}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"CMS Collaboration"},"creator":{"@type":"Organization","name":"CMS Collaboration"},"datePublished":"2026","description":"A search for Higgs boson decays to a pair of neutral scalars $\\phi_1$ and $\\phi_2$ with unequal masses is performed in final states with b quarks and tau leptons. Depending on the masses of the neutral scalars, $\\phi_2$ can undergo a cascade decay to a pair of $\\phi_1$ scalars. For both the cascade and non-cascade scenarios, one of the $\\phi_1$ particles is assumed to decay to tau leptons and is used for the online event selection. A data sample of proton-proton collisions at $\\sqrt{s} = 13$ TeV corresponding to an integrated luminosity of $138~\\text{fb}^{-1}$ recorded with the CMS detector at the LHC is analyzed. No statistically significant excess is observed over the standard model background expectation. Upper limits are set on the Higgs boson branching fraction to $\\phi_1 \\phi_2 \\to 2\\tau\\,4b$ and to $\\phi_1 \\phi_2 \\to 2\\tau\\,2b$, as well as on the corresponding production cross sections. The limits on the cross section for $\\mathrm{H} \\to \\phi_1 \\phi_2 \\to 2\\tau\\,4b$ or $2\\tau\\,2b$ depend on the scalar masses and range between 0.8 and 37.8 pb. 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