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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 mmlsi1" class="mathmlsrc">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">mg class="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">mathContainer hidden">mathCode"><math altimg="si1.gif" overflow="scroll"><msubsup><mrow><mi>Bmi>mrow><mrow><mi>smi>mrow><mrow><mn>0mn>mrow>msubsup><mo stretchy="false">→mo><mi>ψmi><mo stretchy="false">(mo><mn>2mn><mi>Smi><mo stretchy="false">)mo><mi>ϕmi>math> decays is performed using data recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of mmlsi16" class="mathmlsrc">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">mg class="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">mathContainer hidden">mathCode"><math altimg="si16.gif" overflow="scroll"><mn>3.0mn><mspace width="0.2em">mspace><msup><mrow><mtext>fbmtext>mrow><mrow><mo>&minus;mo><mn>1mn>mrow>msup>math> collected during Run 1 of the LHC. The m>CP  m>-violating phase and decay-width difference of the mmlsi179" class="mathmlsrc">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">mg class="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">mathContainer hidden">mathCode"><math altimg="si179.gif" overflow="scroll"><msubsup><mrow><mi>Bmi>mrow><mrow><mi>smi>mrow><mrow><mn>0mn>mrow>msubsup>math> system are measured to be mmlsi4" class="mathmlsrc">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">mg class="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">mathContainer hidden">mathCode"><math altimg="si4.gif" overflow="scroll"><msub><mrow><mi>ϕmi>mrow><mrow><mi>smi>mrow>msub><mo>=mo><msubsup><mrow><mn>0.23mn>mrow><mrow><mo>&minus;mo><mn>0.28mn>mrow><mrow><mo>+mo><mn>0.29mn>mrow>msubsup><mo>&plusmn;mo><mn>0.02mn><mspace width="0.2em">mspace><mtext>radmtext>math> and mmlsi5" class="mathmlsrc">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">mg class="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">mathContainer hidden">mathCode"><math altimg="si5.gif" overflow="scroll"><mi mathvariant="normal">Δmi><msub><mrow><mi mathvariant="normal">Γmi>mrow><mrow><mi>smi>mrow>msub><mo>=mo><msubsup><mrow><mn>0.066mn>mrow><mrow><mo>&minus;mo><mn>0.044mn>mrow><mrow><mo>+mo><mn>0.041mn>mrow>msubsup><mo>&plusmn;mo><mn>0.007mn><mspace width="0.2em">mspace><msup><mrow><mtext>psmtext>mrow><mrow><mo>&minus;mo><mn>1mn>mrow>msup>math>, respectively, where the first uncertainty is statistical and the second systematic. This is the first time that mmlsi10" class="mathmlsrc">mulatext 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">ϕsmathContainer hidden">mathCode"><math altimg="si10.gif" overflow="scroll"><msub><mrow><mi>ϕmi>mrow><mrow><mi>smi>mrow>msub>math> and mmlsi133" class="mathmlsrc">mulatext 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">ΔΓsmathContainer hidden">mathCode"><math altimg="si133.gif" overflow="scroll"><mi mathvariant="normal">Δmi><msub><mrow><mi mathvariant="normal">Γmi>mrow><mrow><mi>smi>mrow>msub>math> have been measured in a decay containing the mmlsi56" class="mathmlsrc">mulatext 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)mathContainer hidden">mathCode"><math altimg="si56.gif" overflow="scroll"><mi>ψmi><mo stretchy="false">(mo><mn>2mn><mi>Smi><mo stretchy="false">)mo>math> resonance.

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