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Observation of Charge-Dependent Azimuthal Correlations in p-Pb Collisions and Its Implication for the Search for the Chiral Magnetic EffectKhachatryan, V.Sirunyan, A.M.Tumasyan, A.Adam, W.Asilar, E.Bergauer, T.Brandstetter, J.Brondolin, E.Dragicevic, M.Erö, J.Flechl, M.Friedl, M.Frühwirth, R.Ghete, V.M.Hartl, C.Hörmann, N.Hrubec, J.Jeitler, M.König, A.Krätschmer, I.Liko, D.Matsushita, T.Mikulec, I.Rabady, D.Rad, N.Rahbaran, B.Rohringer, H.Schieck, J.Strauss, J.Waltenberger, W.Wulz, C.-E.Dvornikov, O.Makarenko, V.Zykunov, V.Mossolov, V.Shumeiko, N.Suarez Gonzalez, J.Alderweireldt, S.De Wolf, E.A.Janssen, X.Lauwers, J.Van De Klundert, M.Van Haevermaet, H.Van Mechelen, P.Van Remortel, N.Van Spilbeeck, A.Abu Zeid, S.Blekman, F.D'Hondt, J.Daci, N.Binary alloysColliding beam acceleratorsTellurium compoundsAzimuthal correlationsCenter-of-mass energiesCentre-of-mass energiesMagnetic effectsNucleon-nucleonOrdering eventsParticle correlationsPb-Pb collisionsSecond ordersThree-particle correlationsHeavy ionsCharge-dependent azimuthal particle correlations with respect to the second-order event plane in p-Pb and PbPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV have been studied with the CMS experiment at the LHC. The measurement is performed with a three-particle correlation technique, using two particles with the same or opposite charge within the pseudorapidity range |η|<2.4, and a third particle measured in the hadron forward calorimeters (4.4<|η|<5). The observed differences between the same and opposite sign correlations, as functions of multiplicity and η gap between the two charged particles, are of similar magnitude in p-Pb and PbPb collisions at the same multiplicities. These results pose a challenge for the interpretation of charge-dependent azimuthal correlations in heavy ion collisions in terms of the chiral magnetic effect. © 2017 CERN, for the CMS Collaboration. Published by the American Physical Society under the terms of the "http://creativecommons.org/licenses/by/3.0/" Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.American Physical Society2017Articlehttps://rdlopen.rawdatalibrary.net/r/ebyu/14684https://doi.org/10.1103/physrevlett.118.1223010031-9007enPhysical Review Lettersinfo:eu-repo/semantics/openAccessinfo:eu-repo/semantics/articlehttps://ebyu-rdlopen.rawdatalibrary.net/tr/items/ebyu/14684