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Measurement of CP observables in B± → DK± and B± → Dπ± with two- and four-body D decays
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Measurements of CP   observables in thmlsrc">text stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302751&_mathId=si1.gif&_user=111111111&_pii=S0370269316302751&_rdoc=1&_issn=03702693&md5=845a95f7a1e143fdd4fb67abf499c1fe" title="Click to view the MathML source">B±→DK±thContainer hidden">thCode">th altimg="si1.gif" overflow="scroll">B±tretchy="false">→DK±th> and thmlsrc">text stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302751&_mathId=si2.gif&_user=111111111&_pii=S0370269316302751&_rdoc=1&_issn=03702693&md5=52046c0fa11b256802884b1ce14bf629" title="Click to view the MathML source">B±→Dπ±thContainer hidden">thCode">th altimg="si2.gif" overflow="scroll">B±tretchy="false">→Dπ±th> decays are presented where the D   meson is reconstructed in the final states thmlsrc">text stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302751&_mathId=si3.gif&_user=111111111&_pii=S0370269316302751&_rdoc=1&_issn=03702693&md5=f69ab1e21983c2dece8fefdd86e8053a" title="Click to view the MathML source">K±πthContainer hidden">thCode">th altimg="si3.gif" overflow="scroll">K±πth>, thmlsrc">text stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302751&_mathId=si4.gif&_user=111111111&_pii=S0370269316302751&_rdoc=1&_issn=03702693&md5=27eb6c0a135607307b421748fd787a4b" title="Click to view the MathML source">π±KthContainer hidden">thCode">th altimg="si4.gif" overflow="scroll">π±Kth>, thmlsrc">text stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302751&_mathId=si5.gif&_user=111111111&_pii=S0370269316302751&_rdoc=1&_issn=03702693&md5=7e975dfbc75b254e4a89f52cc333d126" title="Click to view the MathML source">K+KthContainer hidden">thCode">th altimg="si5.gif" overflow="scroll">K+Kth>, thmlsrc">text stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302751&_mathId=si224.gif&_user=111111111&_pii=S0370269316302751&_rdoc=1&_issn=03702693&md5=6de0c4bcea63b4411c02c1b74ce7c2d3" title="Click to view the MathML source">π+πthContainer hidden">thCode">th altimg="si224.gif" overflow="scroll">π+πth>, thmlsrc">text stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302751&_mathId=si7.gif&_user=111111111&_pii=S0370269316302751&_rdoc=1&_issn=03702693&md5=39acb2044202955c9165521f26e50afe" title="Click to view the MathML source">K±ππ+πthContainer hidden">thCode">th altimg="si7.gif" overflow="scroll">K±ππ+πth>, thmlsrc">text stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302751&_mathId=si8.gif&_user=111111111&_pii=S0370269316302751&_rdoc=1&_issn=03702693&md5=0800b4757f3ae6857e60f78516d8e72b" title="Click to view the MathML source">π±Kπ+πthContainer hidden">thCode">th altimg="si8.gif" overflow="scroll">π±Kπ+πth> and thmlsrc">text stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302751&_mathId=si9.gif&_user=111111111&_pii=S0370269316302751&_rdoc=1&_issn=03702693&md5=5c2177385e081290dd82ce759c77d6cb" title="Click to view the MathML source">π+ππ+πthContainer hidden">thCode">th altimg="si9.gif" overflow="scroll">π+ππ+πth>. This analysis uses a sample of charged B mesons from pp   collisions collected by the LHCb experiment in 2011 and 2012, corresponding to an integrated luminosity of thmlsrc">text stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316302751&_mathId=si10.gif&_user=111111111&_pii=S0370269316302751&_rdoc=1&_issn=03702693&md5=efcd9d07d005b5393628b872bcd26591" title="Click to view the MathML source">3.0 fb−1thContainer hidden">thCode">th altimg="si10.gif" overflow="scroll">3.0text> fbtext>1th>. Various CP-violating effects are reported and together these measurements provide important input for the determination of the unitarity triangle angle γ. The analysis of the four-pion D decay mode is the first of its kind.

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