{"id":40890,"date":"2026-09-17T11:15:54","date_gmt":"2026-09-17T11:15:54","guid":{"rendered":"https:\/\/lamarr-institute.org\/publication\/measurement-of-cp-asymmetries-in-overlineb0to-d_s-d-and-overlineb_s0to-d_s-d-decays\/"},"modified":"2026-09-17T11:15:54","modified_gmt":"2026-09-17T11:15:54","slug":"measurement-of-cp-asymmetries-in-overlineb0to-d_s-d-and-overlineb_s0to-d_s-d-decays","status":"publish","type":"publication","link":"https:\/\/lamarr-institute.org\/de\/publication\/measurement-of-cp-asymmetries-in-overlineb0to-d_s-d-and-overlineb_s0to-d_s-d-decays\/","title":{"rendered":"Measurement of CP asymmetries in ${\\overline{B}}^0\\to {D}_s^{-}{D}^{+}$ and ${\\overline{B}}_s^0\\to {D}_s^{-}{D}^{-}$ decays"},"content":{"rendered":"<p>Measurements of the combined CP asymmetries in ${\\overline{B}}^0\\to {D}_s^{-}{D}^{+}$ and ${\\overline{B}}_s^0\\to {D}_s^{-}{D}^{-}$ decays are made using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb-1. The measurements are found to be<\/p>\n<p>${A}_{CP}\\left({\\overline{B}}^0\\to {D}_s^{-}{D}^{+}\\right)=0.0009\\pm 0.0053\\pm 0.0040,\\ {}{A}_{CP}\\left({\\overline{B}}_s^0\\to {D}_s^{-}{D}^{-}\\right)=0.103\\pm 0.053\\pm 0.010,$<\/p>\n<p>where the first and second uncertainties are statistical and systematic, respectively. This is the first measurement of this asymmetry in ${\\overline{B}}_s^0$ decays, and the most precise measurement to date for ${\\overline{B}}^0$ decays. Both measurements are found to be consistent with CP symmetry.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Measurements of the combined CP asymmetries in ${\\overline{B}}^0\\to {D}_s^{-}{D}^{+}$ and ${\\overline{B}}_s^0\\to {D}_s^{-}{D}^{-}$ decays are made using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb-1. The measurements are found to be ${A}_{CP}\\left({\\overline{B}}^0\\to {D}_s^{-}{D}^{+}\\right)=0.0009\\pm 0.0053\\pm 0.0040,\\ {}{A}_{CP}\\left({\\overline{B}}_s^0\\to {D}_s^{-}{D}^{-}\\right)=0.103\\pm 0.053\\pm 0.010,$ where the first and second uncertainties are statistical and systematic, respectively. This is the first measurement of this asymmetry in ${\\overline{B}}_s^0$ decays, and the [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"publication-type":[30],"class_list":["post-40890","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\/40890","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\/40890\/revisions"}],"wp:attachment":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/media?parent=40890"}],"wp:term":[{"taxonomy":"publication-type","embeddable":true,"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication-type?post=40890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}