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Measurement of CP asymmetry in D0→KS0KS0 decays with Run 3 data
| dc.contributor | Universitat Ramon Llull. La Salle | |
| dc.contributor | CERN | |
| dc.contributor.author | Calvo Gomez, Miriam | |
| dc.contributor.author | Golobardes Ribé, Elisabet | |
| dc.contributor.author | Vilasis-Cardona, Xavier | |
| dc.contributor.author | LHCb Collaboration - CERN | |
| dc.date.accessioned | 2026-03-17T19:55:28Z | |
| dc.date.available | 2026-03-17T19:55:28Z | |
| dc.date.created | 2025-10-21 | |
| dc.date.issued | 2026-02-26 | |
| dc.identifier.issn | 1029-8479 | ca |
| dc.identifier.uri | http://hdl.handle.net/20.500.14342/6083 | |
| dc.description.abstract | A measurement of CP asymmetry in D0→KS0KS0 decays is reported, based on a data sample of proton-proton collisions collected with the LHCb detector in 2024 at a centre-of-mass energy of 13.6 TeV, corresponding to an integrated luminosity of 6.2 fb−1. The D0→KS0π+π− decay is used as calibration channel to cancel residual detection and production asymmetries. The time-integrated CP asymmetry for the D0→KS0KS0 mode is measured to be (Formula presented.) where the first uncertainty is statistical, and the second is systematic. This measurement represents the most precise single-experiment determination of this quantity to date. | ca |
| dc.format.extent | 25 p. | ca |
| dc.language.iso | eng | ca |
| dc.publisher | Springer | ca |
| dc.relation.ispartof | Journal of High Energy Physics, 2026. 253 | ca |
| dc.rights | © CERN | ca |
| dc.rights | Attribution 4.0 International | * |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | * |
| dc.subject.other | Accelerator physics | ca |
| dc.subject.other | Circular dichroism spectroscopy | ca |
| dc.subject.other | Deoxy sugar | ca |
| dc.subject.other | Experimental nuclear physics | ca |
| dc.subject.other | Nuclear physics | ca |
| dc.subject.other | Particle physics | ca |
| dc.subject.other | Gran col·lisionador d'hadrons (França i Suïssa) | ca |
| dc.title | Measurement of CP asymmetry in D0→KS0KS0 decays with Run 3 data | ca |
| dc.type | info:eu-repo/semantics/article | ca |
| dc.rights.accessLevel | info:eu-repo/semantics/openAccess | |
| dc.embargo.terms | cap | ca |
| dc.subject.udc | 530.1 | ca |
| dc.subject.udc | 539 | ca |
| dc.identifier.doi | https://doi.org/10.1007/JHEP02(2026)253 | ca |
| dc.description.version | info:eu-repo/semantics/publishedVersion | ca |
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