Abstract
We study confining dark sectors where the lightest hadrons are glueballs. Such models can provide viable dark matter candidates and appear in some neutral naturalness scenarios. In this work, we introduce a new phenomenological model of dark glueball hadronization inspired by the Lund string model. This enables us to make the most physically-motivated predictions for dark glueball phenomenology at the LHC to date. Our model approximately reproduces the expected thermal distribution of hadron species as an emergent consequence of hadronization dynamics. The ability to predict the production of glueball states heavier than the lightest species significantly expands the reach of long-lived glueball searches in MATHUSLA compared to previous simplified estimates. We also characterize regions of parameter space where emerging and/or semivisible jets could arise from pure-glue dark sectors, thereby providing new benchmark models that motivate searches for these signatures.
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Acknowledgments
We thank Tom Bouley for many insightful conversations. The research of AB, TC, and GDK is supported by the U.S. Department of Energy under grant number DE-SC0011640. The research of DC and CG was supported in part by Discovery Grants from the Natural Sciences and Engineering Research Council of Canada and the Canada Research Chair program. The research of DC was also supported by the Alfred P. Sloan Foundation, the Ontario Early Researcher Award, and the University of Toronto McLean Award. The work of CG was also supported by the University of Toronto Connaught International Scholarship.
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Batz, A., Cohen, T., Curtin, D. et al. Dark sector glueballs at the LHC. J. High Energ. Phys. 2024, 70 (2024). https://doi.org/10.1007/JHEP04(2024)070
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DOI: https://doi.org/10.1007/JHEP04(2024)070