T
he elli
ptic 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">h altimg="si2.gif" overflow="scroll">v2h>pan>pan>pan>, of muons from
heavy-flavour
hadron decays at forward ra
pidity (
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">h altimg="si29.gif" overflow="scroll">2.5<y<4h>pan>pan>pan>) is measured in Pb&ndas
h;Pb collisions at
pan id="mmlsi1" class="mathmlsrc">he MathML source" class="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">
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>
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">h altimg="si1.gif" overflow="scroll">shvariant="normal">NN=2.76 TeVh>pan>pan>pan> wit
h t
he ALICE detector at t
he LHC. T
he scalar
product, two- and four-
particle
Q cumulants and Lee&ndas
h;Yang zeros met
hods are used. T
he de
pendence of t
he
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">h altimg="si2.gif" overflow="scroll">v2h>pan>pan>pan> of muons from
heavy-flavour
hadron decays on t
he collision centrality, in t
he range 0&ndas
h;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">h altimg="si4.gif" overflow="scroll">phvariant="normal">Th>pan>pan>pan>, is studied in t
he 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">h altimg="si30.gif" overflow="scroll">3<phvariant="normal">T<10 GeVhy="false">/ch>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">h altimg="si2.gif" overflow="scroll">v2h>pan>pan>pan> is observed wit
h t
he scalar
product and two-
particle
Q cumulants in semi-central collisions (10&ndas
h;20% and 20&ndas
h;40% centrality classes) for t
he
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">h altimg="si4.gif" overflow="scroll">phvariant="normal">Th>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">h altimg="si6.gif" overflow="scroll">5 GeVhy="false">/ch>pan>pan>pan> wit
h a significance larger t
han 3
σ , based on t
he combination of statistical and systematic uncertainties. T
he
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">h altimg="si2.gif" overflow="scroll">v2h>pan>pan>pan> magnitude tends to decrease towards more central collisions and wit
h 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">h altimg="si4.gif" overflow="scroll">phvariant="normal">Th>pan>pan>pan>. It becomes com
patible wit
h zero in t
he 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">h altimg="si7.gif" overflow="scroll">6<phvariant="normal">T<10 GeVhy="false">/ch>pan>pan>pan>. T
he results are com
pared to models describing t
he interaction of
heavy quarks and o
pen
heavy-flavour
hadrons wit
h t
he
hig
h-density medium formed in
hig
h-energy
heavy-ion collisions.