{"id":38967,"date":"2026-08-21T15:27:30","date_gmt":"2026-08-21T15:27:30","guid":{"rendered":"https:\/\/lamarr-institute.org\/publication\/study-of-the-b0-to-lambda_c-barlambda_c-k_s0-decay\/"},"modified":"2026-09-17T11:16:49","modified_gmt":"2026-09-17T11:16:49","slug":"study-of-the-b0-to-lambda_c-barlambda_c-k_s0-decay","status":"publish","type":"publication","link":"https:\/\/lamarr-institute.org\/de\/publication\/study-of-the-b0-to-lambda_c-barlambda_c-k_s0-decay\/","title":{"rendered":"Study of the $B^0 \\to \\Lambda_c^+ \\bar{\\Lambda}_c^- K_S^0$ decay"},"content":{"rendered":"<p>The decay $B^0 \\to \\Lambda_c^+ \\bar{\\Lambda}_c^- K_S^0$ is studied at LHCb for the first time using proton-proton collision data recorded by the LHCb experiment at a center-of-mass energy of $\\sqrt{s} = 13$ TeV, corresponding to an integrated luminosity of 5.4 $fb^{-1}$. The branching ratio relative to the decay $B^+ \\to \\Lambda_c^+ \\bar{\\Lambda}_c^- K^+$ is measured to be $\\frac{{\\cal B}(B^0 \\to \\Lambda_c^+ \\bar{\\Lambda}_c^- K_S^0)}{{\\cal B}(B^+ \\to \\Lambda_c^+ \\bar{\\Lambda}_c^- K^+)} = 0.53 \\pm 0.05 \\pm 0.05$, where the first uncertainty is statistical and the second is systematic. Evidence is found for contributions from two resonant states, $\\Xi_c(2923)^+$ and $\\Xi_c(2939)^+$, in the $\\Lambda_c^+ K_S^0$ system. The two states show a significance of 3.9 $\\sigma$ relative to the nonresonant hypothesis. These two $\\Xi_c^+$ states are consistent with being the isospin partners of the states observed in $\\Lambda_c^+ K^-$ system.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The decay $B^0 \\to \\Lambda_c^+ \\bar{\\Lambda}_c^- K_S^0$ is studied at LHCb for the first time using proton-proton collision data recorded by the LHCb experiment at a center-of-mass energy of $\\sqrt{s} = 13$ TeV, corresponding to an integrated luminosity of 5.4 $fb^{-1}$. The branching ratio relative to the decay $B^+ \\to \\Lambda_c^+ \\bar{\\Lambda}_c^- K^+$ is measured to be $\\frac{{\\cal B}(B^0 \\to \\Lambda_c^+ \\bar{\\Lambda}_c^- K_S^0)}{{\\cal B}(B^+ \\to \\Lambda_c^+ \\bar{\\Lambda}_c^- K^+)} = 0.53 [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"publication-type":[30],"class_list":["post-38967","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\/38967","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\/38967\/revisions"}],"wp:attachment":[{"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/media?parent=38967"}],"wp:term":[{"taxonomy":"publication-type","embeddable":true,"href":"https:\/\/lamarr-institute.org\/de\/wp-json\/wp\/v2\/publication-type?post=38967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}