@article{3072431,
    title = "Measurement of the mass difference between top quark and antiquark in pp collisions at s=8 TeV",
    author = "Chatrchyan, S. and Khachatryan, V. and Sirunyan, A.M. and Tumasyan, A. and Adam, W. and Bergauer, T. and Dragicevic, M. and Erö, J. and Fabjan, C. and Friedl, M. and Frühwirth, R. and Ghete, V.M. and Hartl, C. and Hörmann, N. and Hrubec, J. and Jeitler, M. and Kiesenhofer, W. and Knünz, V. and Krammer, M. and Krätschmer, I. and Liko, D. and Mikulec, I. and Rabady, D. and Rahbaran, B. and Rohringer, H. and Schöfbeck, R. and Strauss, J. and Taurok, A. and Treberer-Treberspurg, W. and Waltenberger, W. and Wulz, C.-E. and Mossolov, V. and Shumeiko, N. and Suarez Gonzalez, J. and Alderweireldt, S. and Bansal, M. and Bansal, S. and Cornelis, T. and De Wolf, E.A. and Janssen, X. and Knutsson, A. and Luyckx, S. and Mucibello, L. and Ochesanu, S. and Roland, B. and Rougny, R. and Van Haevermaet, H. and Van Mechelen, P. and Van Remortel, N. and Van Spilbeeck, A. and Blekman, F. and Blyweert, S. and D'Hondt, J. and Heracleous, N. and Kalogeropoulos, A. and Keaveney, J. and Kim, T.J. and Lowette, S. and Maes, M. and Olbrechts, A. and Strom, D. and Tavernier, S. and Van Doninck, W. and Van Mulders, P. and Van Onsem, G.P. and Villella, I. and Caillol, C. and Clerbaux, B. and De Lentdecker, G. and Favart, L. and Gay, A.P.R. and Hreus, T. and Léonard, A. and Marage, P.E. and Mohammadi, A. and Perniè, L. and Reis, T. and Seva, T. and Thomas, L. and Vander Velde, C. and Vanlaer, P. and Wang, J. and Adler, V. and Beernaert, K. and Benucci, L. and Cimmino, A. and Costantini, S. and Dildick, S. and Garcia, G. and Klein, B. and Lellouch, J. and Mccartin, J. and Ocampo Rios, A.A. and Ryckbosch, D. and Sigamani, M. and Strobbe, N. and Thyssen, F. and Tytgat, M. and Walsh, S. and Yazgan, E. and Zaganidis, N. and Basegmez, S. and Beluffi, C. and Bruno, G. and Castello, R. and Caudron, A. and Ceard, L. and Da Silveira, G.G. and Delaere, C. and du Pree, T. and Favart, D. and Forthomme, L. and Giammanco, A. and Hollar, J. and Jez, P. and Komm, M. and Lemaitre, V. and Liao, J. and Militaru, O. and Nuttens, C. and Pagano, D. and Pin, A. and Piotrzkowski, K. and Popov, A. and Quertenmont, L. and Selvaggi, M. and Vidal Marono, M. and Vizan Garcia, J.M. and Beliy, N. and Caebergs, T. and Daubie, E. and Hammad, G.H. and Alves, G.A. and Correa Martins Junior, M. and Dos Reis Martins, T. and Pol, M.E. and Souza, M.H.G. and Aldá Júnior, W.L. and Carvalho, W. and Chinellato, J. and Custódio, A. and Da Costa, E.M. and De Jesus Damiao, D. and De Oliveira Martins, C. and Fonseca De Souza, S. and Malbouisson, H. and Malek, M. and Matos Figueiredo, D. and Mundim, L. and Nogima, H. and Prado Da Silva, W.L. and Santaolalla, J. and Santoro, A. and Sznajder, A. and Tonelli Manganote, E.J. and Vilela Pereira, A. and Bernardes, C.A. and Dias, F.A. and Fernandez Perez Tomei, T.R. and Gregores, E.M. and Lagana, C. and Mercadante, P.G. and Novaes, S.F. and Padula, S.S. and Genchev, V. and Iaydjiev, P. and Marinov, A. and Piperov, S. and Rodozov, M. and Sultanov, G. and Vutova, M. and Dimitrov, A. and Glushkov, I. and Hadjiiska, R. and Kozhuharov, V. and Litov, L. and Pavlov, B. and Petkov, P. and Bian, J.G. and Chen, G.M. and Chen, H.S. and Chen, M. and Du, R. and Jiang, C.H. and Liang, D. and Liang, S. and Meng, X. and Plestina, R. and Tao, J. and Wang, X. and Wang, Z. and Asawatangtrakuldee, C. and Ban, Y. and Guo, Y. and Li, Q. and Li, W. and Liu, S. and Mao, Y. and Qian, S.J. and Wang, D. and Zhang, L. and Zou, W. and Avila, C. and Carrillo Montoya, C.A. and Chaparro Sierra, L.F. and Florez, C. and Gomez, J.P. and Gomez Moreno, B. and Sanabria, J.C. and Godinovic, N. and Lelas, D. and Polic, D. and Puljak, I. and Antunovic, Z. and Kovac, M. and Brigljevic, V. and Kadija, K. and Luetic, J. and Mekterovic, D. and Morovic, S. and Sudic, L. and Attikis, A. and Mavromanolakis, G. and Mousa, J. and Nicolaou, C. and Ptochos, F. and Razis, P.A. and Finger, M. and Finger, M., Jr. and El-khateeb, E. and Elkafrawy, T. and Mahmoud, M.A. and Mohamed, A. and Radi, A. and 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and Aziz, T. and Banerjee, S. and Chatterjee, R.M. and Dugad, S. and Ganguly, S. and Ghosh, S. and Guchait, M. and Gurtu, A. and Kole, G. and Kumar, S. and Maity, M. and Majumder, G. and Mazumdar, K. and Mohanty, G.B. and Parida, B. and Sudhakar, K. and Wickramage, N.",
    journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
    year = "2017",
    volume = "770",
    pages = "50-71",
    publisher = "Elsevier B.V.",
    doi = "10.1016/j.physletb.2017.04.028",
    abstract = "The invariance of the standard model (SM) under the CPT transformation predicts equality of particle and antiparticle masses. This prediction is tested by measuring the mass difference between the top quark and antiquark (Δmt=mt−mt‾) that are produced in pp collisions at a center-of-mass energy of 8 TeV, using events with a muon or an electron and at least four jets in the final state. The analysis is based on data corresponding to an integrated luminosity of 19.6 fb−1collected by the CMS experiment at the LHC, and yields a value of Δmt=−0.15±0.19(stat)±0.09(syst) GeV, which is consistent with the SM expectation. This result is significantly more precise than previously reported measurements. © 2017 The Author(s)"
}