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http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/10128| Title: | Search for Fractionally Charged Particles in Proton-Proton Collisions at βπ =13ββTeV |
| Authors: | CMS Collaboration Hayrapetyan, A. ALPANA, A. DUBE, SOURABH KANSAL, B. LAHA, A. PANDEY, S. RASTOGI, A. SHARMA, SEEMA et al. Dept. of Physics |
| Keywords: | Particle dark matter Hypothetical particles Hadron colliders 2025 |
| Issue Date: | Apr-2025 |
| Publisher: | American Physical Society |
| Citation: | Physical Review Letters, 134, 131802. |
| Abstract: | A search is presented for fractionally charged particles with charges below 1β’π, using their small energy loss in the tracking detector as a key variable to observe a signal. The analyzed dataset corresponds to an integrated luminosity of 138ββfbβ1 of proton-proton collisions collected at βπ =13ββTeV in 2016β2018 at the CERN LHC. This is the first search at the LHC for new particles with a charge between π/3 and 0.9β’π, including an extension of previous results at a charge of 2β’π/3. Masses up to 640 GeV and charges as low as π/3 are excluded at 95% confidence level. These are the most stringent limits to date for the considered Drell-Yan-like production mode. |
| URI: | https://doi.org/10.1103/PhysRevLett.134.131802 http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/10128 |
| ISSN: | 1079-7114 0031-9007 |
| Appears in Collections: | JOURNAL ARTICLES |
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