nphys4208.pdf

ARTICLES NATURE PHYSICS DOI: 10.1038/NPHYS4208 A. Seiden184, J. M. Seixas32, G. Sekhniaidze135, K. Sekhon120, S. J. Sekula64, N. Semprini-Cesari27,28, C. Serfon151, L. Serin149, L. Serkin218,219, M. Sessa176,177, R. Seuster225, H. Severini145, T. Sfiligoj106, F. Sforza46, A. Sfyrla73, E. Shabalina80, N. W. Shaikh196,197, L. Y .Shan50, R. Shang222, J. T. Shank30, M. Shapiro18, P. B. Shatalov128, K. Shaw218,219, S. M. Shaw115, A. Shcherbakova196,197, C. Y .Shehu200, Y .Shen145, P. Sherwood109, L. Shi202,an, S. Shimizu97, C. O. Shimmin232, M. Shimojima133, S. Shirabe100, M. Shiyakova95,ao, J. Shlomi228, A. Shmeleva127, D. Shoaleh Saadi126, M. J. Shochet47, S. Shojaii122, D. R. Shope145, S. Shrestha143, E. Shulga129, M. A. Shupe9, P. Sicho167, A. M. Sickles222, P. E. Sidebo198, E. Sideras Haddad195, O. Sidiropoulou230, D. Sidorov146, A. Sidoti27,28, F. Siegert68, Dj. Sijacki16, J. Silva160,163, S. B. Silverstein196, V. Simak168, Lj. Simic16, S. Simion149, E. Simioni114, B. Simmons109, M. Simon114, P. Sinervo210, N. B. Sinev148, M. Sioli27,28, G. Siragusa230, I. Siral120, S. Yu. Sivoklokov130, J. Sjölin196,197, M. B. Skinner102, P. Skubic145, M. Slater21, T. Slavicek168, M. Slawinska139, K. Sliwa216, R. Slovak169, V. Smakhtin228, B. H. Smart7, J. Smiesko191, N. Smirnov129, S. Yu. Smirnov129, Y .Smirnov129, L. N. Smirnova130,ap, O. Smirnova112, J. W. Smith80, M. N. K. Smith57, R. W. Smith57, M. Smizanska102, K. Smolek168, A. A. Snesarev127, I. M. Snyder148, S. Snyder36, R. Sobie225,o, F. Socher68, A. Soffer204, D. A. Soh202, G. Sokhrannyi106, C. A. Solans Sanchez46, M. Solar168, E. Yu. Soldatov129, U. Soldevila223, A. A. Solodkov170, A. Soloshenko95, O. V. Solovyanov170, V. Solovyev156, P. Sommer72, H. Son216, H. Y .Song53,aq, A. Sopczak168, V. Sorin15, D. Sosa84, C. L. Sotiropoulou157,158, R. Soualah218,220, A. M. Soukharev141,c, D. South66, B. C. Sowden108, S. Spagnolo103,104, M. Spalla157,158, M. Spangenberg226, F. Spanò108, D. Sperlich19, F. Spettel132, T. M. Spieker83, R. Spighi27, G. Spigo46, L. A. Spiller119, M. Spousta169, R. D. St. Denis79‡, A. Stabile122, R. Stamen83, S. Stamm19, E. Stanecka63, R. W. Stanek8, C. Stanescu176, M. M. Stanitzki66, S. Stapnes151, E. A. Starchenko170, G. H. Stark47, J. Stark81, S. H. Stark58, P. Staroba167, P. Starovoitov83, S. Stärz46, R. Staszewski63, P. Steinberg36, B. Stelzer189, H. J. Stelzer46, O. Stelzer-Chilton213, H. Stenzel78, G. A. Stewart79, J. A. Stillings29, M. C. Stockton148, M. Stoebe118, G. Stoicea38, P. Stolte80, S. Stonjek132, A. R. Stradling10, A. Straessner68, M. E. Stramaglia20, J. Strandberg198, S. Strandberg196,197, A. Strandlie151, M. Strauss145, P. Strizenec192, R. Ströhmer230, D. M. Strom148, R. Stroynowski64, A. Strubig138, S. A. Stucci36, B. Stugu17, N. A. Styles66, D. Su190, J. Su159, S. Suchek83, Y .Sugaya150, M. Suk168, V. V.Sulin127, S. Sultansoy6, T. Sumida98, S. Sun82, X. Sun3, K. Suruliz200, C. J. E. Suster201, M. R. Sutton200, S. Suzuki96, M. Svatos167, M. Swiatlowski47, S. P. Swift2, A. Sydorenko114, I. Sykora191, T. Sykora169, D. T a72, K. T ackmann66, J. T aenzer204, A. T affard217, R. T afirout213, N. T aiblum204, H. T akai36, R. T akashima99, T. T akeshita187, Y .T akubo96, M. T alby116, A. A. T alyshev141,c, J. T anaka206, M. T anaka208, R. T anaka149, S. T anaka96, R. T anioka97, B. B. T annenwald143, S. T apia Araya49, S. T approgge114, S. T arem203, G. F. T artarelli122, P. T as169, M. T asevsky167, T. T ashiro98, E. T assi59,60, A. T avares Delgado160,161, Y .T ayalati182, A. C. T aylor137, G. N. T aylor119, P. T. E. T aylor119, W. T aylor214, P. T eixeira-Dias108, D. T emple189, H. T en Kate46, P. K. T eng202, J. J. T eoh150, F. T epel231, S. T erada96, K. T erashi206, J. T erron113, S. T erzo15, M. T esta71, R. J. T euscher210,o, T. Theveneaux-Pelzer116, J. P. Thomas21, J. Thomas-Wilsker108, P. D. Thompson21, A. S. Thompson79, L. A. Thomsen232, E. Thomson155, M. J. Tibbetts18, R. E. Ticse T orres116, V. O. Tikhomirov127,ar, Yu. A. Tikhonov141,c, S. Timoshenko129, P. Tipton232, S. Tisserant116, K. T odome208, S. T odorova-Nova7, J. T ojo100, S. T okár191, K. T okushuku96, E. T olley82, L. T omlinson115, M. T omoto134, L. T ompkins190,as, K. T oms137, B. T ong82, P. T ornambe72, E. T orrence148, H. T orres189, E. T orró Pastor185, J. T oth116,at, F. T ouchard116, D. R. T ovey186, C. J. Treado142, T. Trefzger230, A. Tricoli36, I. M. Trigger213, S. Trincaz-Duvoid111, M. F. Tripiana15, W. Trischuk210, B. Trocmé81, A. Trofymov66, C. Troncon122, M. Trottier-McDonald18, M. Trovatelli225, L. Truong218,219, M. Trzebinski63, A. Trzupek63, K. W. T sang87, J. C.-L. T seng152, P. V. T siareshka124, G. T sipolitis12, N. T sirintanis11, S. T siskaridze15, V. T siskaridze72, E. G. T skhadadze76, K. M. T sui87, I. I. T sukerman128, V. T sulaia18, S. T suno96, D. T sybychev199, Y .Tu88, A. Tudorache38, V. Tudorache38, T. T. Tulbure37, A. N. Tuna82, S. A. Tupputi27,28, S. Turchikhin95, D. Turgeman228, I. Turk Cakir5,au, R. Turra122,123, P. M. Tuts57, G. Ucchielli27,28, I. Ueda96, M. Ughetto196,197, F. Ukegawa215, G. Unal46, A. Undrus36, G. Unel217, F. C. Ungaro119, Y .Unno96, C. Unverdorben131, J. Urban192, P. Urquijo119, P. Urrejola114, G. Usai10, J. Usui96, L. Vacavant116, V. Vacek168, B. Vachon118, C. Valderanis131, E. Valdes Santurio196,197, N. Valencic139, S. Valentinetti27,28, A. Valero223, L. Valéry15, S. Valkar169, A. Vallier7, J. A. Valls Ferrer223, W. Van Den Wollenberg139, H. van der Graaf139, N. van Eldik203, P. van Gemmeren8, J. Van Nieuwkoop189, I. van Vulpen139, M. C. van Woerden139, M. Vanadia172,173, W. Vandelli46, R. Vanguri155, A. Vaniachine209, P. Vankov139, G. Vardanyan233, R. Vari172, E. W. Varnes9, C. Varni74,75, T. Varol64, D. Varouchas149, A. Vartapetian10, K. E. Varvell201, J. G. Vasquez232, G. A. Vasquez49, F. Vazeille56, T. Vazquez Schroeder118, J. Veatch80, V. Veeraraghavan9, L. M. Veloce210, F. Veloso160,162, S. Veneziano172, A. Ventura103,104, M. Venturi225, N. Venturi210, A. Venturini31, V. Vercesi153, M. Verducci176,177, W. Verkerke139, J. C. Vermeulen139, M. C. Vetterli189,d, N. Viaux Maira49, O. Viazlo112, I. Vichou222‡, T. Vickey186, O. E. Vickey Boeriu186, G. H. A. Viehhauser152, S. Viel18, L. Vigani152, M. Villa27,28, M. Villaplana Perez122,123, E. Vilucchi71, M. G. Vincter45, V. B. Vinogradov95, A. Vishwakarma66, C. Vittori27,28, I. Vivarelli200, S. Vlachos12, M. Vlasak168, M. Vogel231, P. Vokac168, G. Volpi157,158, M. Volpi119, H. von der Schmitt132, E. von T oerne29, V. Vorobel169, K. Vorobev129, M. Vos223, R. Voss46, J. H. Vossebeld105, N. Vranjes16, M. Vranjes Milosavljevic16, V. Vrba168, M. Vreeswijk139, R. Vuillermet46, I. Vukotic47, P. Wagner29, W. Wagner231, H. Wahlberg101, S. Wahrmund68, J. Wakabayashi134, J. Walder102, R. Walker131, W. Walkowiak188, V. Wallangen196,197, C. Wang51, C. Wang54,av, F. Wang229, H. Wang18, H. Wang3, J. Wang66, J. Wang201, Q. Wang145, R. Wang8, S. M. Wang202, T. Wang57, W. Wang202,aw, W. Wang53, Z. Wang55, C. Wanotayaroj148, A. Warburton118, C. P. Ward44, D. R. Wardrope109, A. Washbrook70, P. M. Watkins21, A. T. Watson21, M. F. Watson21, G. Watts185, S. Watts115, B. M. Waugh109, A. F. Webb13, S. Webb114, M. S. Weber20, S. W. Weber230, S. A. Weber45, J. S. Webster8, A. R. Weidberg152, B. Weinert91, J. Weingarten80, C. Weiser72, H. Weits139, P. S. Wells46, T. Wenaus36, T. Wengler46, S. Wenig46, N. Wermes29, © 2017 Macmillan Publishers Limited, part of Springer Nature. All rights reserved. NATURE PHYSICS | www.nature.com/naturephysics NATURE PHYSICS DOI: 10.1038/NPHYS4208 ARTICLES M. D. Werner94, P. Werner46, M. Wessels83, K. Whalen148, N. L. Whallon185, A. M. Wharton102, A. White10, M. J. White1, R. White49, D. Whiteson217, F. J. Wickens171, W. Wiedenmann229, M. Wielers171, C. Wiglesworth58, L. A. M. Wiik-Fuchs29, A. Wildauer132, F. Wilk115, H. G. Wilkens46, H. H. Williams155, S. Williams139, C. Willis121, S. Willocq117, J. A. Wilson21, I. Wingerter-Seez7, F. Winklmeier148, O. J. Winston200, B. T. Winter29, M. Wittgen190, M. Wobisch110,u, T. M. H. Wolf139, R. Wolff116, M. W. Wolter63, H. Wolters160,162, S. D. Worm21, B. K. Wosiek63, J. Wotschack46, M. J. Woudstra115, K. W. Wozniak63, M. Wu47, S. L. Wu229, X. Wu73, Y .Wu120, T. R. Wyatt115, B. M. Wynne70, S. Xella58, Z. Xi120, L. Xia52, D. Xu50, L. Xu36, B. Y absley201, S. Y acoob193, D. Y amaguchi208, Y .Y amaguchi150, A. Y amamoto96, S. Y amamoto206, T. Y amanaka206, K. Y amauchi134, Y .Y amazaki97, Z. Y an30, H. Y ang55, H. Y ang18, Y .Y ang202, Z. Y ang17, W.-M. Y ao18, Y . C.Y ap111, Y .Y asu96, E. Y atsenko7, K. H. Y au Wong29, J. Y e64, S. Y e36, I. Y eletskikh95, E. Yigitbasi30, E. Yildirim114, K. Y orita227, K. Y oshihara155, C. Y oung190, C. J. S. Y oung46, S. Y oussef30, D. R. Yu18, J. Yu10, J. Yu94, L. Yuan97, S. P. Y .Yuen29, I. Yusuff44,ax, B. Zabinski63, G. Zacharis12, R. Zaidan15, A. M. Zaitsev170,aj, N. Zakharchuk66, J. Zalieckas17, A. Zaman199, S. Zambito82, D. Zanzi119, C. Zeitnitz231, M. Zeman168, A. Zemla61, J. C. Zeng222, Q. Zeng190, O. Zenin170, T. Ženiš191, D. Zerwas149, D. Zhang120, F. Zhang229, G. Zhang53,aq, H. Zhang51, J. Zhang8, L. Zhang72, L. Zhang53, M. Zhang222, R. Zhang29, R. Zhang53,av, X. Zhang54, Y .Zhang50, Z. Zhang149, X. Zhao64, Y .Zhao54,ay, Z. Zhao53, A. Zhemchugov95, J. Zhong152, B. Zhou120, C. Zhou229, L. Zhou64, M. Zhou50, M. Zhou199, N. Zhou52, C. G. Zhu54, H. Zhu50, J. Zhu120, Y .Zhu53, X. Zhuang50, K. Zhukov127, A. Zibell230, D. Zieminska91, N. I. Zimine95, C. Zimmermann114, S. Zimmermann72, Z. Zinonos132, M. Zinser114, M. Ziolkowski188, L. Živković16, G. Zobernig229, A. Zoccoli27,28, R. Zou47, M. zur Nedden19, L. Zwalinski46 Primary affiliations 1Department of Physics, University of Adelaide, Adelaide, Australia. 2Physics Department, SUNY Albany, Albany, New Y ork, USA.3Department of Physics, University of Alberta, Edmonton, Alberta, Canada. 4Department of Physics, Ankara University, Ankara, Turkey. 5Istanbul Aydin University, Istanbul, Turkey. 6Division of Physics, TOBB University of Economics and T echnology, Ankara, Turkey.7LAPP, CNRS/IN2P3 and Université Savoie Mont Blanc, Annecy-le-Vieux, France. 8High Energy Physics Division, Argonne National Laboratory, Argonne, Illinois, USA. 9Department of Physics, University of Arizona, Tucson, Arizona, USA. 10Department of Physics, The University of T exas at Arlington, Arlington, T exas, USA.11Physics Department, National and Kapodistrian University of Athens, Athens, Greece. 12Physics Department, National T echnical University of Athens, Zografou, Greece.13Department of Physics, The University of T exas at Austin, Austin, T exas, USA.14Institute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan. 15Institut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and T echnology, Barcelona, Spain.16Institute of Physics, University of Belgrade, Belgrade, Serbia. 17Department for Physics and T echnology, University of Bergen, Bergen, Norway.18Physics Division, Lawrence Berkeley National Laboratory and University of California, Berkeley, California, USA. 19Department of Physics, Humboldt University, Berlin, Germany. 20Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics, University of Bern, Bern, Switzerland. 21School of Physics and Astronomy, University of Birmingham, Birmingham, UK. 22Department of Physics, Bogazici University, Istanbul, Turkey. 23Department of Physics Engineering, Gaziantep University, Gaziantep, Turkey. 24Istanbul Bilgi University, Faculty of Engineering and Natural Sciences, Istanbul, Turkey. 25Bahcesehir University, Faculty of Engineering and Natural Sciences, Istanbul, Turkey. 26Centro de Investigaciones, Universidad Antonio Narino, Bogota, Colombia. 27INFN Sezione di Bologna, Bologna, Italy. 28Dipartimento di Fisica e Astronomia, Università di Bologna, Bologna, Italy. 29Physikalisches Institut, University of Bonn, Bonn, Germany. 30Department of Physics, Boston University, Boston, Massachusetts, USA. 31Department of Physics, Brandeis University, Waltham, Massachusetts, USA. 32Universidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro, Brazil. 33Electrical Circuits Department, Federal University of Juiz de Fora (UFJF), Juiz de Fora, Brazil. 34Federal University of Sao Joao del Rei (UFSJ), Sao Joao del Rei, Brazil. 35Instituto de Fisica, Universidade de Sao Paulo, Sao Paulo, Brazil. 36Physics Department, Brookhaven National Laboratory, Upton, New Y ork, USA.37Transilvania University of Brasov, Brasov, Romania. 38Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania. 39Department of Physics, Alexandru Ioan Cuza University of Iasi, Iasi, Romania. 40National Institute for Research and Development of Isotopic and Molecular T echnologies, Physics Department, Cluj Napoca, Romania. 41University Politehnica Bucharest, Bucharest, Romania. 42West University in Timisoara, Timisoara, Romania. 43Departamento de Física, Universidad de Buenos Aires, Buenos Aires, Argentina. 44Cavendish Laboratory, University of Cambridge, Cambridge, UK. 45Department of Physics, Carleton University, Ottawa, Ontario, Canada. 46CERN, Geneva, Switzerland. 47Enrico Fermi Institute, University of Chicago, Chicago, Illinois, USA. 48Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile. 49Departamento de Física, Universidad T écnica Federico Santa María, Valparaíso, Chile.50Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China. 51Department of Physics, Nanjing University, Jiangsu, China. 52Physics Department, T singhua University, Beijing 100084, China. 53Department of Modern Physics, University of Science and T echnology of China, Anhui, China. 54School of Physics, Shandong University, Shandong, China. 55Department of Physics and Astronomy, Key Laboratory for Particle Physics, Astrophysics and Cosmology, Ministry of Education, Shanghai Key Laboratory for Particle Physics and Cosmology, Shanghai Jiao T ong University, Shanghai (also at PKU-CHEP), China. 56Université Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France. 57Nevis Laboratory, Columbia University, Irvington, New Y ork, USA. 58Niels Bohr Institute, University of Copenhagen, Kobenhavn, Denmark. 59INFN Gruppo Collegato di Cosenza, Laboratori Nazionali di Frascati, Rende, Italy. 60Dipartimento di Fisica, Università della Calabria, Rende, Italy. 61AGH University of Science and T echnology, Faculty of Physics and Applied Computer Science, Krakow, Poland. 62Marian Smoluchowski Institute of Physics, Jagiellonian University, Krakow, Poland. 63Institute of Nuclear Physics Polish Academy of Sciences, Krakow, Poland. 64Physics Department, Southern Methodist University, Dallas, T exas, USA.65Physics Department, University of T exas at Dallas, Richardson, T exas, USA.66DESY, Hamburg and Zeuthen, Germany. 67Lehrstuhl für Experimentelle Physik IV, T echnische Universität Dortmund, Dortmund, Germany. 68Institut für Kern- und T eilchenphysik, T echnische Universität Dresden, Dresden, Germany.69Department of Physics, Duke University, Durham, North Carolina, USA. 70SUPA - School of Physics and Astronomy, University of Edinburgh, Edinburgh, UK. 71INFN Laboratori Nazionali di Frascati, Frascati, Italy. 72Fakultät für Mathematik und Physik, Albert-Ludwigs-Universität, Freiburg, Germany. 73Departement de Physique Nucleaire et Corpusculaire, Université de Genève, Geneva, Switzerland. 74INFN Sezione di Genova, Genova, Italy. 75Dipartimento di Fisica, Università di Genova, Genova, Italy. 76E. Andronikashvili Institute of Physics, Iv. Javakhishvili Tbilisi State University, Tbilisi, Georgia. 77High Energy Physics Institute, Tbilisi State University, Tbilisi, Georgia. 78II Physikalisches Institut, Justus-Liebig-Universität Giessen, Giessen, Germany. 79SUPA - School of Physics and Astronomy, University of Glasgow, Glasgow, UK. 80II Physikalisches Institut, Georg-August-Universität, Göttingen, Germany. 81Laboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS/IN2P3, Grenoble, France. 82Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, Massachusetts, USA. 83Kirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany. 84Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany. 85ZITI Institut für T echnische Informatik, Ruprecht-Karls-Universität Heidelberg, Mannheim, Germany. 86Faculty of Applied Information Science, Hiroshima Institute of T echnology, Hiroshima, Japan.87Department of Physics, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China. 88Department of Physics, The University of Hong Kong, Hong Kong, China. NATURE PHYSICS | www.nature.com/naturephysics © 2017 Macmillan Publishers Limited, part of Springer Nature. All rights reserved. ARTICLES NATURE PHYSICS DOI: 10.1038/NPHYS4208 89Department of Physics and Institute for Advanced Study, The Hong Kong University of Science and T echnology, Clear Water Bay, Kowloon, Hong Kong, China. 90Department of Physics, National T sing Hua University, T aiwan, T aiwan.91Department of Physics, Indiana University, Bloomington, Indiana, USA. 92Institut für Astro- und T eilchenphysik, Leopold-Franzens-Universität, Innsbruck, Austria.93University of Iowa, Iowa City, Iowa, USA. 94Department of Physics and Astronomy, Iowa State University, Ames, Iowa, USA. 95Joint Institute for Nuclear Research, JINR Dubna, Dubna, Russia. 96KEK, High Energy Accelerator Research Organization, T sukuba, Japan.97Graduate School of Science, Kobe University, Kobe, Japan. 98Faculty of Science, Kyoto University, Kyoto, Japan. 99Kyoto University of Education, Kyoto, Japan. 100Department of Physics, Kyushu University, Fukuoka, Japan. 101Instituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, Argentina. 102Physics Department, Lancaster University, Lancaster, UK. 103INFN Sezione di Lecce, Lecce, Italy. 104Dipartimento di Matematica e Fisica, Università del Salento, Lecce, Italy. 105Oliver Lodge Laboratory, University of Liverpool, Liverpool, UK. 106Department of Experimental Particle Physics, Jožef Stefan Institute and Department of Physics, University of Ljubljana, Ljubljana, Slovenia. 107School of Physics and Astronomy, Queen Mary University of London, London, UK. 108Department of Physics, Royal Holloway University of London, Egham, UK. 109Department of Physics and Astronomy, University College London, London, UK. 110Louisiana T ech University, Ruston, Louisiana, USA.111Laboratoire de Physique Nucléaire et de Hautes Energies, UPMC and Université Paris-Diderot and CNRS/IN2P3, Paris, France. 112Fysiska Institutionen, Lunds Universitet, Lund, Sweden. 113Departamento de Fisica T eorica C-15, Universidad Autonoma de Madrid, Madrid, Spain. 114Institut für Physik, Universität Mainz, Mainz, Germany. 115School of Physics and Astronomy, University of Manchester, Manchester, UK. 116CPPM, Aix-Marseille Université and CNRS/IN2P3, Marseille, France. 117Department of Physics, University of Massachusetts, Amherst, Massachusetts, USA. 118Department of Physics, McGill University, Montreal, Quebec, Canada. 119School of Physics, University of Melbourne, Victoria, Australia. 120Department of Physics, The University of Michigan, Ann Arbor, Michigan, USA. 121Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan, USA. 122INFN Sezione di Milano, Milano, Italy. 123Dipartimento di Fisica, Università di Milano, Milano, Italy. 124B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, Republic of Belarus. 125Research Institute for Nuclear Problems of Byelorussian State University, Minsk, Republic of Belarus. 126Group of Particle Physics, University of Montreal, Montreal, Quebec, Canada. 127P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, Russia. 128Institute for Theoretical and Experimental Physics (ITEP), Moscow, Russia. 129National Research Nuclear University MEPhI, Moscow, Russia. 130D.V. Skobeltsyn Institute of Nuclear Physics, M.V. Lomonosov Moscow State University, Moscow, Russia. 131Fakultät für Physik, Ludwig-Maximilians-Universität München, München, Germany. 132Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), München, Germany. 133Nagasaki Institute of Applied Science, Nagasaki, Japan. 134Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University, Nagoya, Japan. 135INFN Sezione di Napoli, Napoli, Italy. 136Dipartimento di Fisica, Università di Napoli, Napoli, Italy. 137Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico, USA. 138Institute for Mathematics, Astrophysics and Particle Physics, Radboud University Nijmegen/Nikhef, Nijmegen, the Netherlands. 139Nikhef National Institute for Subatomic Physics and University of Amsterdam, Amsterdam, the Netherlands. 140Department of Physics, Northern Illinois University, DeKalb, Illinois, USA. 141Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, Russia. 142Department of Physics, New Y ork University, New Y ork, New Y ork, USA.143Ohio State University, Columbus, Ohio, USA. 144Faculty of Science, Okayama University, Okayama, Japan. 145Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, Oklahoma, USA. 146Department of Physics, Oklahoma State University, Stillwater, Oklahoma, USA. 147Palacký University, RCPTM, Olomouc, Czech Republic. 148Center for High Energy Physics, University of Oregon, Eugene, Oregon, USA. 149LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, France. 150Graduate School of Science, Osaka University, Osaka, Japan. 151Department of Physics, University of Oslo, Oslo, Norway. 152Department of Physics, Oxford University, Oxford, UK. 153INFN Sezione di Pavia, Pavia, Italy. 154Dipartimento di Fisica, Università di Pavia, Pavia, Italy. 155Department of Physics, University of Pennsylvania, Philadelphia, Pennsylvania, USA. 156National Research Centre “Kurchatov Institute” B.P. Konstantinov Petersburg Nuclear Physics Institute, St Petersburg, Russia.157INFN Sezione di Pisa, Pisa, Italy. 158Dipartimento di Fisica E. Fermi, Università di Pisa, Pisa, Italy. 159Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. 160Laboratório de Instrumentação e Física Experimental de Partículas - LIP, Lisboa, Portugal. 161Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal. 162Department of Physics, University of Coimbra, Coimbra, Portugal. 163Centro de Física Nuclear da Universidade de Lisboa, Lisboa, Portugal. 164Departamento de Fisica, Universidade do Minho, Braga, Portugal. 165Departamento de Fisica T eorica y del Cosmos and CAFPE, Universidad de Granada, Granada (Spain), Portugal. 166Dep Fisica and CEFITEC of Faculdade de Ciencias e T ecnologia, Universidade Nova de Lisboa, Caparica, Portugal. 167Institute of Physics, Academy of Sciences of the Czech Republic, Praha, Czech Republic. 168Czech T echnical University in Prague, Praha, Czech Republic. 169Charles University, Faculty of Mathematics and Physics, Prague, Czech Republic. 170State Research Center Institute for High Energy Physics (Protvino), NRC KI, Russia. 171Particle Physics Department, Rutherford Appleton Laboratory, Didcot, UK. 172INFN Sezione di Roma, Roma, Italy. 173Dipartimento di Fisica, Sapienza Università di Roma, Roma, Italy. 174INFN Sezione di Roma T or Vergata, Roma, Italy.175Dipartimento di Fisica, Università di Roma T or Vergata, Roma, Italy.176INFN Sezione di Roma Tre, Roma, Italy. 177Dipartimento di Matematica e Fisica, Università Roma Tre, Roma, Italy. 178Faculté des Sciences Ain Chock, Réseau Universitaire de Physique des Hautes Energies - Université Hassan II, Casablanca, Morocco. 179Centre National de l’Energie des Sciences T echniques Nucleaires, Rabat, Morocco.180Faculté des Sciences Semlalia, Université Cadi Ayyad, LPHEA-Marrakech, Morocco. 181Faculté des Sciences, Université Mohamed Premier and LPTPM, Oujda, Morocco. 182Faculté des sciences, Université Mohammed V, Rabat, Morocco. 183DSM/IRFU (Institut de Recherches sur les Lois Fondamentales de l’Univers), CEA Saclay (Commissariat à l’Energie Atomique et aux Energies Alternatives), Gif-sur-Yvette, France.184Santa Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz, California, USA. 185Department of Physics, University of Washington, Seattle, Washington, USA. 186Department of Physics and Astronomy, University of Sheffield, Sheffield, UK. 187Department of Physics, Shinshu University, Nagano, Japan. 188Department Physik, Universität Siegen, Siegen, Germany. 189Department of Physics, Simon Fraser University, Burnaby, British Columbia, Canada. 190SLAC National Accelerator Laboratory, Stanford, California, USA. 191Faculty of Mathematics, Physics & Informatics, Comenius University, Bratislava, Slovak Republic. 192Department of Subnuclear Physics, Institute of Experimental Physics of the Slovak Academy of Sciences, Kosice, Slovak Republic. 193Department of Physics, University of Cape T own, Cape T own, South Africa. 194Department of Physics, University of Johannesburg, Johannesburg, South Africa. 195School of Physics, University of the Witwatersrand, Johannesburg, South Africa. 196Department of Physics, Stockholm University, Stockholm, Sweden. 197The Oskar Klein Centre, Stockholm, Sweden. 198Physics Department, Royal Institute of T echnology, Stockholm, Sweden.199Departments of Physics & Astronomy and Chemistry, Stony Brook University, Stony Brook, New Y ork, USA. 200Department of Physics and Astronomy, University of Sussex, Brighton, UK. 201School of Physics, University of Sydney, Sydney, Australia. 202Institute of Physics, Academia Sinica, T aipei, T aiwan.203Department of Physics, T echnion: Israel Institute of T echnology, Haifa, Israel.204Raymond and Beverly Sackler School of Physics and Astronomy, T el Aviv University, T el Aviv, Israel.205Department of Physics, Aristotle University of Thessaloniki, Thessaloniki, Greece. 206International Center for Elementary Particle Physics and Department of Physics, The University of T okyo, T okyo, Japan. 207Graduate School of Science and T echnology, T okyo Metropolitan University, T okyo, Japan.208Department of Physics, T okyo Institute of T echnology, T okyo, Japan.209T omsk State University, T omsk, Russia.210Department of Physics, University of T oronto, T oronto, Ontario, Canada.211INFN-TIFPA, Trento, Italy. 212University of Trento, Trento, Italy. 213TRIUMF, Vancouver, British Columbia, Canada. 214Department of Physics and Astronomy, Y ork University, T oronto, Ontario, Canada.215Faculty of Pure and Applied Sciences, and Center for Integrated Research in Fundamental Science and Engineering, University of T sukuba, T sukuba, Japan.216Department of Physics and Astronomy, Tufts University, Medford, Massachusetts, USA. 217Department of Physics and Astronomy, University of California Irvine, Irvine, California, USA. 218INFN Gruppo Collegato di Udine, Sezione di Trieste, Udine, Italy. 219ICTP, Trieste, Italy. 220Dipartimento di Chimica, Fisica e Ambiente, Università di Udine, Udine, Italy. 221Department of Physics and Astronomy, University of Uppsala, Uppsala, Sweden. 222Department of Physics, University of Illinois, Urbana, Illinois, USA. 223Instituto de Fisica Corpuscular (IFIC) and Departamento de Fisica Atomica, Molecular y Nuclear and Departamento de Ingeniería Electrónica and Instituto de Microelectrónica de Barcelona (IMB-CNM), University of Valencia and CSIC, Valencia, Spain. 224Department of Physics, University of British Columbia, Vancouver, British Columbia, Canada. 225Department of © 2017 Macmillan Publishers Limited, part of Springer Nature. All rights reserved. NATURE PHYSICS | www.nature.com/naturephysics NATURE PHYSICS DOI: 10.1038/NPHYS4208 ARTICLES Physics and Astronomy, University of Victoria, Victoria, British Columbia, Canada. 226Department of Physics, University of Warwick, Coventry, UK. 227Waseda University, T okyo, Japan.228Department of Particle Physics, The Weizmann Institute of Science, Rehovot, Israel. 229Department of Physics, University of Wisconsin, Madison, Wisconsin, USA. 230Fakultät für Physik und Astronomie, Julius-Maximilians-Universität, Würzburg, Germany. 231Fakultät für Mathematik und Naturwissenschaften, Fachgruppe Physik, Bergische Universität Wuppertal, Wuppertal, Germany. 232Department of Physics, Y ale University, New Haven, Connecticut, USA.233Y erevan Physics Institute, Y erevan, Armenia.234CH-1211, Geneva 23, Switzerland. 235Centre de Calcul de l’Institut National de Physique Nucléaire et de Physique des Particules (IN2P3), Villeurbanne, France. Secondary affiliations aDepartment of Physics, King’s College London, London, UK.bInstitute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan. cNovosibirsk State University, Novosibirsk, Russia. dTRIUMF, Vancouver, British Columbia, Canada. eDepartment of Physics & Astronomy, University of Louisville, Louisville, Kentucky, USA. fPhysics Department, An-Najah National University, Nablus, Palestine. gDepartment of Physics, California State University, Fresno, California, USA. hDepartment of Physics, University of Fribourg, Fribourg, Switzerland. iII Physikalisches Institut, Georg-August-Universität, Göttingen, Germany. jDepartament de Fisica de la Universitat Autonoma de Barcelona, Barcelona, Spain. kDepartamento de Fisica e Astronomia, Faculdade de Ciencias, Universidade do Porto, Portugal. lT omsk State University, T omsk, Russia.mThe Collaborative Innovation Center of Quantum Matter (CICQM), Beijing, China. nUniversita di Napoli Parthenope, Napoli, Italy. oInstitute of Particle Physics (IPP), Canada. pHoria Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania. qDepartment of Physics, St Petersburg State Polytechnical University, St Petersburg, Russia. rBorough of Manhattan Community College, City University of New Y ork, New Y ork City, USA.sDepartment of Physics, The University of Michigan, Ann Arbor, Michigan, USA. tCentre for High Performance Computing, CSIR Campus, Rosebank, Cape T own, South Africa.uLouisiana T ech University, Ruston, Louisiana, USA. vInstitucio Catalana de Recerca i Estudis Avancats, ICREA, Barcelona, Spain. wGraduate School of Science, Osaka University, Osaka, Japan. xFakultät für Mathematik und Physik, Albert-Ludwigs-Universität, Freiburg, Germany. yInstitute for Mathematics, Astrophysics and Particle Physics, Radboud University Nijmegen/Nikhef, Nijmegen, the Netherlands. zDepartment of Physics, The University of T exas at Austin, Austin, T exas, USA. aaInstitute of Theoretical Physics, Ilia State University, Tbilisi, Georgia. abCERN, Geneva, Switzerland. acGeorgian T echnical University (GTU), Tbilisi, Georgia. adOchadai Academic Production, Ochanomizu University, T okyo, Japan.aeManhattan College, New Y ork, New Y ork, USA.afAcademia Sinica Grid Computing, Institute of Physics, Academia Sinica, T aipei, T aiwan.agSchool of Physics, Shandong University, Shandong, China. ahDepartamento de Fisica T eorica y del Cosmos and CAFPE, Universidad de Granada, Granada (Spain), Portugal. aiDepartment of Physics, California State University, Sacramento, California, USA. ajMoscow Institute of Physics and T echnology State University, Dolgoprudny, Russia.akDepartement de Physique Nucleaire et Corpusculaire, Université de Genève, Geneva, Switzerland. alInternational School for Advanced Studies (SISSA), Trieste, Italy. amInstitut de Física d’Altes Energies (IFAE), The Barcelona Institute of Science and T echnology, Barcelona, Spain.anSchool of Physics, Sun Y at-sen University, Guangzhou, China. aoInstitute for Nuclear Research and Nuclear Energy (INRNE) of the Bulgarian Academy of Sciences, Sofia, Bulgaria. apFaculty of Physics, M.V. Lomonosov Moscow State University, Moscow, Russia. aqInstitute of Physics, Academia Sinica, T aipei, T aiwan.arNational Research Nuclear University MEPhI, Moscow, Russia. asDepartment of Physics, Stanford University, Stanford, California, USA. atInstitute for Particle and Nuclear Physics, Wigner Research Centre for Physics, Budapest, Hungary. auGiresun University, Faculty of Engineering, Turkey. avCPPM, Aix-Marseille Université and CNRS/IN2P3, Marseille, France. awDepartment of Physics, Nanjing University, Jiangsu, China. axUniversity of Malaya, Department of Physics, Kuala Lumpur, Malaysia. ayLAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, France. ‡Deceased. *e-mail: [email protected] NATURE PHYSICS | www.nature.com/naturephysics © 2017 Macmillan Publishers Limited, part of Springer Nature. All rights reserved.