{"id":35158,"date":"2026-04-13T14:10:46","date_gmt":"2026-04-13T14:10:46","guid":{"rendered":"https:\/\/lamarr-institute.org\/publication\/measurement-of-cp-asymmetry-in-d0to-k_textrms0k_textrms0-decays-with-run-3-data\/"},"modified":"2026-09-17T11:20:16","modified_gmt":"2026-09-17T11:20:16","slug":"measurement-of-cp-asymmetry-in-d0to-k_textrms0k_textrms0-decays-with-run-3-data","status":"publish","type":"publication","link":"https:\/\/lamarr-institute.org\/de\/publication\/measurement-of-cp-asymmetry-in-d0to-k_textrms0k_textrms0-decays-with-run-3-data\/","title":{"rendered":"Measurement of CP asymmetry in $ {D}^0\\to {K}_{\\textrm{S}}^0{K}_{\\textrm{S}}^0 $ decays with Run 3 data"},"content":{"rendered":"<p>A measurement of CP asymmetry in $ {D}^0\\to {K}_{\\textrm{S}}^0{K}_{\\textrm{S}}^0 $ 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 ${D}^0\\to {K}_{\\textrm{S}}^0{\\pi}^{+}{\\pi}^{-} $ decay is used as calibration channel to cancel residual detection and production asymmetries. The time-integrated CP asymmetry for the ${D}^0\\to {K}_{\\textrm{S}}^0{K}_{\\textrm{S}}^0 $ mode is measured to be ${\\mathcal{A}}^{CP}\\left({D}^0\\to {K}_{\\textrm{S}}^0{K}_{\\textrm{S}}^0\\right)=\\left(1.86\\pm 1.04\\pm 0.41\\right)\\%$, 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.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A measurement of CP asymmetry in $ {D}^0\\to {K}_{\\textrm{S}}^0{K}_{\\textrm{S}}^0 $ 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 ${D}^0\\to {K}_{\\textrm{S}}^0{\\pi}^{+}{\\pi}^{-} $ decay is used as calibration channel to cancel residual detection and production asymmetries. The time-integrated CP asymmetry for the ${D}^0\\to {K}_{\\textrm{S}}^0{K}_{\\textrm{S}}^0 $ [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"publication-type":[30],"class_list":["post-35158","publication","type-publication","status-publish","hentry","publication-type-article"],"acf":[],"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication\/35158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication"}],"about":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/types\/publication"}],"author":[{"embeddable":true,"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/users\/14"}],"version-history":[{"count":0,"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication\/35158\/revisions"}],"wp:attachment":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/media?parent=35158"}],"wp:term":[{"taxonomy":"publication-type","embeddable":true,"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication-type?post=35158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}