Compact Muon Solenoid
LHC, CERN
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| CMS-PAS-EXO-24-012 | ||
| Search for a low mass resonance decaying to $ \tau\tau $ using data collected with a dedicated high-rate data stream | ||
| CMS Collaboration | ||
| 7 May 2025 | ||
| Abstract: An inclusive search for a low-mass resonance decaying to two $ \tau $ leptons is presented, probing the mass range from 20 to 60 GeV for the first time at a hadron collider. The search uses proton-proton collision data at $ \sqrt{s}= $ 13.6 TeV corresponding to an integrated luminosity of 61.9 fb$^{-1}$ collected by the CMS experiment in 2022 and 2023. The data is collected using a high-rate trigger stream that records limited event information which allows for lower thresholds. A novel algorithm is used to reconstruct hadronic $ \tau $ decays with very low momentum. No significant excess is observed, and upper limits are set on the production cross section times branching fraction to $ \tau $ lepton pairs. | ||
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Links:
CDS record (PDF) ;
CADI line (restricted) ;
These preliminary results are superseded in this paper, Submitted to PRL. The superseded preliminary plots can be found here. |
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Compact Muon Solenoid LHC, CERN |
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