Search for long-lived particles decaying into muons in proton-proton collisions at √s=13.6 TeV using data scouting

@article{collaboration2026search,
  title = {{Search for long-lived particles decaying into muons in proton-proton collisions at $$ \sqrts=13.6 $$ TeV using data scouting}},
  author = {The CMS collaboration and A. Gevorgyan and A. Hayrapetyan and V. Makarenko and A. Tumasyan and W. Adam and L. Benato and T. Bergauer and M. Dragicevic and S. Gundacker and A. K. Guven and P. S. Hussain and M. Jeitler and N. Krammer and A. Li and D. Liko and M. Matthewman and J. Schieck and R. Schöfbeck and M. Shooshtari and M. Sonawane and N. Van Den Bossche and W. Waltenberger and C. E. Wulz and T. Janssen and D. Ocampo Henao and T. Van Laer and P. Van Mechelen and D. Ahmadi and J. Bierkens and N. Breugelmans and S. Dansana and A. De Moor and M. Delcourt and S. Duponcheel and C. Gupta and F. Heyen and Y. Hong and K. Kang and P. Kashko and S. Lowette and I. Makarenko and S. Nandakumar and S. Tavernier and M. Tytgat and G. P. Van Onsem and S. Van Putte and T. Wybouw and A. Beshr and B. Bilin and F. Caviglia Roman and B. Clerbaux and A. K. Das and I. De Bruyn and G. De Lentdecker and E. Ducarme and H. Evard and L. Favart and I. Kalaitzidou and A. Khalilzadeh},
  journal = {Journal of High Energy Physics},
  year = {2026},
  month = nov,
  doi = {10.1007/jhep11(2026)004},
  url = {https://link.springer.com/article/10.1007/JHEP11(2026)004},
  note = {CC BY 4.0},
}

TY  - JOUR
TI  - Search for long-lived particles decaying into muons in proton-proton collisions at √s=13.6 TeV using data scouting
AU  - The CMS collaboration
AU  - A. Gevorgyan
AU  - A. Hayrapetyan
AU  - V. Makarenko
AU  - A. Tumasyan
AU  - W. Adam
AU  - L. Benato
AU  - T. Bergauer
AU  - M. Dragicevic
AU  - S. Gundacker
AU  - A. K. Guven
AU  - P. S. Hussain
AU  - M. Jeitler
AU  - N. Krammer
AU  - A. Li
AU  - D. Liko
AU  - M. Matthewman
AU  - J. Schieck
AU  - R. Schöfbeck
AU  - M. Shooshtari
AU  - M. Sonawane
AU  - N. Van Den Bossche
AU  - W. Waltenberger
AU  - C. E. Wulz
AU  - T. Janssen
AU  - D. Ocampo Henao
AU  - T. Van Laer
AU  - P. Van Mechelen
AU  - D. Ahmadi
AU  - J. Bierkens
AU  - N. Breugelmans
AU  - S. Dansana
AU  - A. De Moor
AU  - M. Delcourt
AU  - S. Duponcheel
AU  - C. Gupta
AU  - F. Heyen
AU  - Y. Hong
AU  - K. Kang
AU  - P. Kashko
AU  - S. Lowette
AU  - I. Makarenko
AU  - S. Nandakumar
AU  - S. Tavernier
AU  - M. Tytgat
AU  - G. P. Van Onsem
AU  - S. Van Putte
AU  - T. Wybouw
AU  - A. Beshr
AU  - B. Bilin
AU  - F. Caviglia Roman
AU  - B. Clerbaux
AU  - A. K. Das
AU  - I. De Bruyn
AU  - G. De Lentdecker
AU  - E. Ducarme
AU  - H. Evard
AU  - L. Favart
AU  - I. Kalaitzidou
AU  - A. Khalilzadeh
PY  - 2026
DA  - 2026/11/02
JO  - Journal of High Energy Physics
DO  - 10.1007/jhep11(2026)004
UR  - https://link.springer.com/article/10.1007/JHEP11(2026)004
AB  - A bstract : A search for long-lived particles decaying into muons is performed using proton-proton collisions at √s=13.6 s = 13.6 TeV, collected by the CMS experiment at the LHC in 2022 and 2023, corresponding to an integrated luminosity of 62.4 fb − 1 . The data were collected using dedicated dimuon triggers with low transverse momentum thresholds, recorded with a high-rate data scouting trigger stream. This data stream retains a reduced amount of information at the high-level trigger, to explore otherwise inaccessible phase space at low multimuon invariant mass and nonzero displacement from the primary interaction vertex. No significant excess of events above the standard model prediction is found. Upper limits on branching fractions at 95% confidence level are set for a wide range of mass and lifetime hypotheses in several beyond the standard model frameworks, where the Higgs boson decays into long-lived dark photons or into dark partons that produce showers containing long-lived particles, or where a long-lived scalar resonance is produced from the decay of a b hadron. The resulting constraints improve and extend existing ones in large regions of the parameter space.
SN  - 1029-8479
ER  -