| CMS Note | |
| Report number | CMS-CR-2025-259 |
| Title | Search for new heavy resonances decaying to higgs boson pairs in boosted bbtautau final states |
| Author(s) | Parida, Ganesh (Wisconsin U., Madison) |
| Publication | 2025 |
| Collaboration | CMS Collaboration |
| Imprint | 16 Nov 2025 |
| Number of pages | 6 |
| Presented at | The 32nd International Symposium on Lepton Photon Interactions at High Energies (Lepton Photon 2025), Madison, Wisconsin, Us, 25 - 29 Aug 2025 |
| Subject category | Detectors and Experimental Techniques |
| Accelerator/Facility, Experiment | CERN LHC ; CMS |
| Keywords | General |
| Abstract | A search is presented for massive narrow-width resonances in the mass range of $1\text{-}4.5\,\text{TeV}$ decaying into pairs of Higgs bosons (HH), using proton-proton collision data at a center-of-mass energy of $13\,\text{TeV}$ collected with the CMS detector at the LHC during the $2016\text{-}2018$ data-taking. The data correspond to an integrated luminosity of $138 \mathrm{fb}^{-1}$. The analysis targets final states where one Higgs boson decays into a pair of bottom quarks and the other into a pair of tau leptons, $\mathrm{X}\rightarrow\mathrm{HH}\rightarrow \mathrm{b}\bar{\mathrm{b}}\,\tau^{+}\tau^{-}$. The observed data are found to be consistent with standard model background expectations. Upper limits at $95\%$ confidence level (CL) are set on the production cross section for resonant HH production for masses between $1$ and $4.5\,\text{TeV}$. This analysis sets the most sensitive LHC limits to date on $\mathrm{X}\rightarrow\mathrm{HH}\rightarrow \mathrm{b}\bar{\mathrm{b}}\,\tau^{+}\tau^{-}$ decays in the mass range of $1.4$ to $4.5\,\text{TeV}$. |
Record created 2025-12-01, last modified 2025-12-02
