Elliptic flow of muons from heavy-flavour hadron decays at forward rapidity in Pb-Pb collisions at
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The elliptic flow, pan id="mmlsi2" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si2.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=af612936c94892de2098a0b323cdcab5" title="Click to view the MathML source">v2pan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si2.gif" overflow="scroll"><msub><mrow><mi>vmi>mrow><mrow><mn>2mn>mrow>msub>math>pan>pan>pan>, of muons from heavy-flavour hadron decays at forward rapidity (pan id="mmlsi29" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si29.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=048e84b72baecda5d0c5816e647b7d4d" title="Click to view the MathML source">2.5<y<4pan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si29.gif" overflow="scroll"><mn>2.5mn><mo><mo><mi>ymi><mo><mo><mn>4mn>math>pan>pan>pan>) is measured in Pb–Pb collisions at pan id="mmlsi1" class="mathmlsrc">mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si1.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=8065ea62e2341e638520e7e3f068a74f">mg class="imgLazyJSB inlineImage" height="15" width="105" 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-S0370269315009156-si1.gif">pt>mg height="15" border="0" style="vertical-align:bottom" width="105" alt="View the MathML source" title="View the MathML source" src="http://origin-ars.els-cdn.com/content/image/1-s2.0-S0370269315009156-si1.gif">pt>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si1.gif" overflow="scroll"><msqrt><msub><mrow><mi>smi>mrow><mrow><mi mathvariant="normal">NNmi>mrow>msub>msqrt><mo>=mo><mn>2.76mn><mtext> mtext><mtext>TeVmtext>math>pan>pan>pan> with the ALICE detector at the LHC. The scalar product, two- and four-particle m>Q  m> cumulants and Lee–Yang zeros methods are used. The dependence of the pan id="mmlsi2" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si2.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=af612936c94892de2098a0b323cdcab5" title="Click to view the MathML source">v2pan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si2.gif" overflow="scroll"><msub><mrow><mi>vmi>mrow><mrow><mn>2mn>mrow>msub>math>pan>pan>pan> of muons from heavy-flavour hadron decays on the collision centrality, in the range 0–40%, and on transverse momentum, pan id="mmlsi4" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si4.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=ab56179a7d37d31ca4d53305b3fadf95" title="Click to view the MathML source">pTpan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si4.gif" overflow="scroll"><msub><mrow><mi>pmi>mrow><mrow><mi mathvariant="normal">Tmi>mrow>msub>math>pan>pan>pan>, is studied in the interval pan id="mmlsi30" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si30.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=cce0b681be6752b5db65f41f44926e99" title="Click to view the MathML source">3<pT<10 GeV/cpan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si30.gif" overflow="scroll"><mn>3mn><mo><mo><msub><mrow><mi>pmi>mrow><mrow><mi mathvariant="normal">Tmi>mrow>msub><mo><mo><mn>10mn><mtext> mtext><mtext>GeVmtext><mo stretchy="false">/mo><mi>cmi>math>pan>pan>pan>. A positive pan id="mmlsi2" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si2.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=af612936c94892de2098a0b323cdcab5" title="Click to view the MathML source">v2pan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si2.gif" overflow="scroll"><msub><mrow><mi>vmi>mrow><mrow><mn>2mn>mrow>msub>math>pan>pan>pan> is observed with the scalar product and two-particle m>Q  m> cumulants in semi-central collisions (10–20% and 20–40% centrality classes) for the pan id="mmlsi4" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si4.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=ab56179a7d37d31ca4d53305b3fadf95" title="Click to view the MathML source">pTpan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si4.gif" overflow="scroll"><msub><mrow><mi>pmi>mrow><mrow><mi mathvariant="normal">Tmi>mrow>msub>math>pan>pan>pan> interval from 3 to about pan id="mmlsi6" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si6.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=fd2ebd478896cb30c84948fcd44ee05f" title="Click to view the MathML source">5 GeV/cpan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si6.gif" overflow="scroll"><mn>5mn><mtext> mtext><mtext>GeVmtext><mo stretchy="false">/mo><mi>cmi>math>pan>pan>pan> with a significance larger than 3m>σ  m>, based on the combination of statistical and systematic uncertainties. The pan id="mmlsi2" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si2.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=af612936c94892de2098a0b323cdcab5" title="Click to view the MathML source">v2pan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si2.gif" overflow="scroll"><msub><mrow><mi>vmi>mrow><mrow><mn>2mn>mrow>msub>math>pan>pan>pan> magnitude tends to decrease towards more central collisions and with increasing pan id="mmlsi4" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si4.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=ab56179a7d37d31ca4d53305b3fadf95" title="Click to view the MathML source">pTpan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si4.gif" overflow="scroll"><msub><mrow><mi>pmi>mrow><mrow><mi mathvariant="normal">Tmi>mrow>msub>math>pan>pan>pan>. It becomes compatible with zero in the interval pan id="mmlsi7" class="mathmlsrc">pan class="formulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269315009156&_mathId=si7.gif&_user=111111111&_pii=S0370269315009156&_rdoc=1&_issn=03702693&md5=16f93d450061906f5b7100f9724046f6" title="Click to view the MathML source">6<pT<10 GeV/cpan>pan class="mathContainer hidden">pan class="mathCode"><math altimg="si7.gif" overflow="scroll"><mn>6mn><mo><mo><msub><mrow><mi>pmi>mrow><mrow><mi mathvariant="normal">Tmi>mrow>msub><mo><mo><mn>10mn><mtext> mtext><mtext>GeVmtext><mo stretchy="false">/mo><mi>cmi>math>pan>pan>pan>. The results are compared to models describing the interaction of heavy quarks and open heavy-flavour hadrons with the high-density medium formed in high-energy heavy-ion collisions.

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