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First study of the CP-violating phase and decay-width difference in decays
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A time-dependent angular analysis of an id="mmlsi1" class="mathmlsrc"><a title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316305226&_mathId=si1.gif&_user=111111111&_pii=S0370269316305226&_rdoc=1&_issn=03702693&md5=af5298c521eb850c281f70e1ef92e7f0">ass="imgLazyJSB inlineImage" height="17" width="86" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316305226-si1.gif">a>an class="mathContainer hidden">an class="mathCode">ath altimg="si1.gif" overflow="scroll">Bs0alse">&rarr;ψalse">(2Salse">)ϕath>an>an>an> decays is performed using data recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of an id="mmlsi16" class="mathmlsrc"><a title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316305226&_mathId=si16.gif&_user=111111111&_pii=S0370269316305226&_rdoc=1&_issn=03702693&md5=26629ba5f05ef5491799399403726f19">ass="imgLazyJSB inlineImage" height="14" width="48" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316305226-si16.gif">a>an class="mathContainer hidden">an class="mathCode">ath altimg="si16.gif" overflow="scroll">3.0ace width="0.2em">ace>fb1ath>an>an>an> collected during Run 1 of the LHC. The CP  -violating phase and decay-width difference of the an id="mmlsi179" class="mathmlsrc"><a title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316305226&_mathId=si179.gif&_user=111111111&_pii=S0370269316305226&_rdoc=1&_issn=03702693&md5=12230061d470949a8a4a9690fd9c70b4">ass="imgLazyJSB inlineImage" height="17" width="17" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316305226-si179.gif">a>an class="mathContainer hidden">an class="mathCode">ath altimg="si179.gif" overflow="scroll">Bs0ath>an>an>an> system are measured to be an id="mmlsi4" class="mathmlsrc"><a title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316305226&_mathId=si4.gif&_user=111111111&_pii=S0370269316305226&_rdoc=1&_issn=03702693&md5=f30428e4d550321c1678b9029158e0bb">ass="imgLazyJSB inlineImage" height="19" width="152" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316305226-si4.gif">a>an class="mathContainer hidden">an class="mathCode">ath altimg="si4.gif" overflow="scroll">ϕs=0.230.28+0.29±0.02ace width="0.2em">ace>radath>an>an>an> and an id="mmlsi5" class="mathmlsrc"><a title="View the MathML source" class="mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316305226&_mathId=si5.gif&_user=111111111&_pii=S0370269316305226&_rdoc=1&_issn=03702693&md5=45294b831db949d5bf74b33d8b7287a5">ass="imgLazyJSB inlineImage" height="19" width="191" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269316305226-si5.gif">a>an class="mathContainer hidden">an class="mathCode">ath altimg="si5.gif" overflow="scroll">athvariant="normal">Δathvariant="normal">Γs=0.0660.044+0.041±0.007ace width="0.2em">ace>ps1ath>an>an>an>, respectively, where the first uncertainty is statistical and the second systematic. This is the first time that an id="mmlsi10" class="mathmlsrc">an class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316305226&_mathId=si10.gif&_user=111111111&_pii=S0370269316305226&_rdoc=1&_issn=03702693&md5=c7691096a9966575cde8c9c6202c699c" title="Click to view the MathML source">ϕsan>an class="mathContainer hidden">an class="mathCode">ath altimg="si10.gif" overflow="scroll">ϕsath>an>an>an> and an id="mmlsi133" class="mathmlsrc">an class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316305226&_mathId=si133.gif&_user=111111111&_pii=S0370269316305226&_rdoc=1&_issn=03702693&md5=1e4fcbd023b652949f0f051cf703b261" title="Click to view the MathML source">ΔΓsan>an class="mathContainer hidden">an class="mathCode">ath altimg="si133.gif" overflow="scroll">athvariant="normal">Δathvariant="normal">Γsath>an>an>an> have been measured in a decay containing the an id="mmlsi56" class="mathmlsrc">an class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269316305226&_mathId=si56.gif&_user=111111111&_pii=S0370269316305226&_rdoc=1&_issn=03702693&md5=4665416de8f1092f2090a62ab2b48a9e" title="Click to view the MathML source">ψ(2S)an>an class="mathContainer hidden">an class="mathCode">ath altimg="si56.gif" overflow="scroll">ψalse">(2Salse">)ath>an>an>an> resonance.

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