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An inclusive search for same-sign top-quark pair production in pp collisions at root s = 7 TeV is performed using a data sample recorded with the CMS detector in 2010, corresponding to an integrated luminosity of 35 pb(-1). This analysis is motivated by recent studies of p (p) over bar -> t (t) over bar reporting mass-dependent forward-backward asymmetries larger than expected from the standard model. These asymmetries could be due to Flavor Changing Neutral Currents (FCNC) in the top sector induced by t -channel exchange of a massive neutral vector boson (Z'). Models with such a Z' also predict enhancement of same-sign top-pair production in pp or pp collisions. Limits are set as a function of the Z' mass and its couplings to u and t quarks. These limits disfavour the FCNC interpretation of the Tevatron results.
Search for same-sign top-quark pair production at root s=7 TeV and limits on flavour changing neutral currents in the top sector / Chatrchyan, S., Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Eroe, J., Fabjan, C., Friedl, M., Fruehwirth, R., Ghete, V.M., Hammer, J., Haensel, S., Hoch, M., Hoermann, N., Hrubec, J., Jeitler, M., Kiesenhofer, W., Krammer, M., et al.. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - ELETTRONICO. - 08:005:(2011), pp. 1-27. [10.1007/JHEP08(2011)005]
Search for same-sign top-quark pair production at root s=7 TeV and limits on flavour changing neutral currents in the top sector
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Freudenreich;C. Grab;W. Hintz;P. Lecomte;W. Lustermann;C. Marchica;P. M. Ruiz;P. Milenovic;F. Moortgat;C. Naegeli;P. Nef;F. Nessi Tedaldi;L. Pape;F. Pauss;T. Punz;A. Rizzi;F. J. Ronga;M. Rossini;L. Sala;A. K. Sanchez;M. . . C.;B. Stieger;L. Tauscher;A. Thea;K. Theofilatos;D. Treille;C. Urscheler;R. Wallny;M. Weber;L. Wehrli;J. Weng;E. Aguilo;C. Amsler;V. Chiochia;S. D. Visscher;C. Favaro;M. I. Rikova;B. M. Mejias;P. Otiougova;P. Robmann;A. Schmidt;H. Snoek;Y. H. Chang;K. H. Chen;C. M. Kuo;S. W. Li;W. Lin;Z. K. Liu;Y. J. Lu;D. Mekterovic;R. Volpe;J. H. Wu;S. S. Yu;P. Bartalini;P. Chang;Y. H. Chang;Y. W. Chang;Y. Chao;K. F. Chen;W. . . S.;Y. Hsiung;K. Y. Kao;Y. J. Lei;R. . . S.;J. G. Shiu;Y. M. Tzeng;M. Wang;A. Adiguzel;M. N. Bakirci;S. Cerci;C. Dozen;I. Dumanoglu;E. Eskut;S. Girgis;G. Gokbulut;I. Hos;E. E. Kangal;A. K. Topaksu;G. Onengut;K. Ozdemir;S. Ozturk;A. Polatoz;K. Sogut;D. S. Cerci;B. Tali;H. Topakli;D. Uzun;L. N. Vergili;M. Vergili;I. V. Akin;T. Aliev;B. Bilin;S. Bilmis;M. Deniz;H. Gamsizkan;A. M. Guler;K. Ocalan;A. Ozpineci;M. Serin;R. Sever;U. E. Surat;E. Yildirim;M. Zeyrek;M. Deliomeroglu;D. Demir;E. Gulmez;B. Isildak;M. Kaya;O. Kaya;M. Ozbek;S. Ozkorucuklu;N. Sonmez;L. Levchuk;F. Bostock;J. J. Brooke;T. L. Cheng;E. Clement;D. Cussans;R. Frazier;J. Goldstein;M. Grimes;D. Hartley;G. P. Heath;H. F. Heath;L. Kreczko;S. Metson;D. M. Newbold;K. Nirunpong;A. Poll;S. Senkin;V. J. Smith;L. Basso;K. W. Bell;A. Belyaev;C. Brew;R. M. Brown;B. Camanzi;D. J. A.;J. A. Coughlan;K. Harder;S. Harper;J. Jackson;B. W. Kennedy;E. Olaiya;D. Petyt;B. C. Radburn Smith;C. H. Shepherd Themistocleous;I. R. Tomalin;W. J. Womersley;S. D. Worm;R. Bainbridge;G. Ball;J. Ballin;R. Beuselinck;O. Buchmuller;D. Colling;N. Cripps;M. Cutajar;G. Davies;M. D. Negra;W. Ferguson;J. Fulcher;D. Futyan;A. Gilbert;A. G. Bryer;G. Hall;Z. Hatherell;J. Hays;G. Iles;M. Jarvis;G. Karapostoli;L. Lyons;B. C. MacEvoy;A. . . M.;J. Marrouche;B. Mathias;R. Nandi;J. Nash;A. Nikitenko;A. Papageorgiou;M. Pesaresi;K. Petridis;M. Pioppi;D. M. Raymond;S. Rogerson;N. Rompotis;A. Rose;M. J. Ryan;C. Seez;P. Sharp;A. Sparrow;A. Tapper;S. Tourneur;M. V. Acosta;T. Virdee;S. Wakefield;N. Wardle;D. Wardrope;T. Whyntie;M. Barrett;M. Chadwick;J. E. Cole;P. R. Hobson;A. Khan;P. Kyberd;D. Leslie;W. Martin;I. D. Reid;L. Teodorescu;K. Hatakeyama;H. Liu;C. Henderson;T. Bose;E. C. Jarrin;C. Fantasia;A. Heister;J. S. John;P. Lawson;D. Lazic;J. Rohlf;D. Sperka;L. Sulak;A. Avetisyan;S. Bhattacharya;J. P. Chou;D. Cutts;A. Ferapontov;U. Heintz;S. Jabeen;G. Kukartsev;G. Landsberg;M. Luk;M. Narain;D. Nguyen;M. Segala;T. Sinthuprasith;T. Speer;K. V. Tsang;R. Breedon;G. Breto;M. C. De;S. Chauhan;M. Chertok;J. Conway;P. T. Cox;J. Dolen;R. Erbacher;E. Friis;W. Ko;A. Kopecky;R. Lander;H. Liu;S. Maruyama;T. Miceli;M. Nikolic;D. Pellett;J. Robles;S. Salur;T. Schwarz;M. Searle;J. Smith;M. Squires;M. Tripathi;R. V. Sierra;C. Veelken;V. Andreev;K. Arisaka;D. Cline;R. Cousins;A. Deisher;J. Duris;S. Erhan;C. Farrell;J. Hauser;M. Ignatenko;C. Jarvis;C. Plager;G. Rakness;P. Schlein;J. Tucker;V. Valuev;J. Babb;A. Chandra;R. Clare;J. Ellison;J. W. Gary;F. Giordano;G. Hanson;G. Y. Jeng;S. C. Kao;F. Liu;H. Liu;O. R. Long;A. Luthra;H. Nguyen;B. C. Shen;R. Stringer;J. Sturdy;S. Sumowidagdo;R. Wilken;S. Wimpenny;W. Andrews;J. G. Branson;G. B. Cerati;D. Evans;F. Golf;A. Holzner;R. Kelley;M. Lebourgeois;J. Letts;B. Mangano;S. Padhi;C. Palmer;G. Petrucciani;H. Pi;M. Pieri;R. Ranieri;M. Sani;V. Sharma;S. Simon;E. Sudano;M. Tadel;Y. Tu;A. Vartak;S. Wasserbaech;F. Wuerthwein;A. Yagil;J. Yoo;D. Barge;R. Bellan;C. Campagnari;M. D'Alfonso;T. Danielson;K. Flowers;P. G. Ff;J. Incandela;C. Justus;P. Kalavase;S. A. Koay;D. Kovalskyi;V. Krutelyov;S. Lowette;N. Mccoll;V. Pavlunin;F. Rebassoo;J. Ribnik;J. Richman;R. Rossin;D. Stuart;W. To;J. R. Vlimant;A. Apresyan;A. Bornheim;J. Bunn;Y. Chen;M. Gataullin;Y. Ma;A. Mott;H. B. Newman;C. Rogan;K. Shin;V. Timciuc;P. Traczyk;J. Veverka;R. Wilkinson;Y. Yang;R. Y. Zhu;B. Akgun;R. Carroll;T. Ferguson;Y. Iiyama;D. W. Jang;S. Y. Jun;Y. F. Liu;M. Paulini;J. Russ;H. Vogel;I. Vorobiev;J. P. Cumalat;M. E. Dinardo;B. R. Drell;C. J. Edelmaier;W. T. Ford;A. Gaz;B. Heyburn;E. L. Lopez;U. Nauenberg;J. G. Smith;K. Stenson;K. A. Ulmer;S. R. Wagner;S. L. Zang;L. Agostino;J. Alexander;A. Chatterjee;N. Eggert;L. K. Gibbons;B. Heltsley;K. Henriksson;W. Hopkins;A. Khukhunaishvili;B. Kreis;G. N. Kaufman;J. R. Patterson;D. Puigh;A. Ryd;M. Saelim;E. Salvati;X. Shi;W. Sun;W. D. Teo;J. Thom;J. Thompson;J. Vaughan;Y. Weng;L. Winstrom;P. Wittich;A. Biselli;G. Cirino;D. Winn;S. Abdullin;M. Albrow;J. Anderson;G. Apollinari;M. Atac;J. A. Bakken;L. A. T.;A. Beretvas;J. Berryhill;P. C. Bhat;I. Bloch;F. Borcherding;K. Burkett;J. N. Butler;V. Chetluru;H. W. K.;F. Chlebana;S. Cihangir;W. Cooper;D. P. Eartly;V. D. Elvira;S. Esen;I. Fisk;J. Freeman;Y. Gao;E. Gottschalk;D. Green;K. Gunthoti;O. Gutsche;J. Hanlon;R. M. Harris;J. Hirschauer;B. Hooberman;H. Jensen;M. Johnson;U. Joshi;R. Khatiwada;B. Klima;K. Kousouris;S. Kunori;S. Kwan;C. Leonidopoulos;P. Limon;D. Lincoln;R. Lipton;J. Lykken;K. Maeshima;J. M. Marraffino;D. Mason;P. McBride;T. Miao;K. Mishra;S. Mrenna;Y. Musienko;C. Newman Holmes;V. O'Dell;J. Pivarski;R. Pordes;O. Prokofyev;E. Sexton Kennedy;S. Sharma;W. J. Spalding;L. Spiegel;P. Tan;L. Taylor;S. Tkaczyk;L. Uplegger;E. W. Vaandering;R. Vidal;J. Whitmore;W. Wu;F. Yang;F. Yumiceva;J. C. Yun;D. Acosta;P. Avery;D. Bourilkov;M. Chen;S. Das;M. D. Gruttola;G. P. Di;D. Dobur;A. Drozdetskiy;R. D. Field;M. Fisher;Y. Fu;I. K. Furic;J. Gartner;J. Hugon;B. Kim;J. Konigsberg;A. Korytov;A. Kropivnitskaya;T. Kypreos;J. F. Low;K. Matchev;G. Mitselmakher;L. Muniz;C. Prescott;R. Remington;A. Rinkevicius;M. Schmitt;B. Scurlock;P. Sellers;N. Skhirtladze;M. Snowball;D. Wang;J. Yelton;M. Zakaria;V. Gaultney;L. M. Lebolo;S. Linn;P. Markowitz;G. Martinez;J. L. Rodriguez;T. Adams;A. Askew;J. Bochenek;J. Chen;B. Diamond;S. V. Gleyzer;J. Haas;S. Hagopian;V. Hagopian;M. Jenkins;K. F. Johnson;H. Prosper;L. Quertenmont;S. Sekmen;V. Veeraraghavan;M. M. Baarmand;B. Dorney;S. Guragain;M. Hohlmann;H. Kalakhety;I. Vodopiyanov;M. R. Adams;I. M. Anghel;L. Apanasevich;Y. Bai;V. E. Bazterra;R. R. Betts;J. Callner;R. Cavanaugh;C. Dragoiu;L. Gauthier;C. E. Gerber;D. J. Hofman;S. Khalatyan;G. J. Kunde;F. Lacroix;M. Malek;C. O'Brien;C. Silkworth;C. Silvestre;A. Smoron;D. Strom;N. Varelas;U. Akgun;E. A. Albayrak;B. Bilki;W. Clarida;F. Duru;C. K. Lae;E. McCliment;J. . . P.;H. Mermerkaya;A. Mestvirishvili;A. Moeller;J. Nachtman;C. R. Newsom;E. Norbeck;J. Olson;Y. Onel;F. Ozok;S. Sen;J. Wetzel;T. Yetkin;K. Yi;B. A. Barnett;B. Blumenfeld;A. Bonato;C. Eskew;D. Fehling;G. Giurgiu;A. V. Gritsan;Z. J. Guo;G. Hu;P. Maksimovic;S. Rappoccio;M. Swartz;N. V. Tran;A. Whitbeck;P. Baringer;A. Bean;G. Benelli;O. Grachov;R. P. Kenny;M. Murray;D. Noonan;S. Sanders;J. S. Wood;V. Zhukova;A. F. Barfuss;T. Bolton;I. Chakaberia;A. Ivanov;S. Khalil;M. Makouski;Y. Maravin;S. Shrestha;I. Svintradze;Z. Wan;J. Gronberg;D. Lange;D. Wright;A. Baden;M. Boutemeur;S. C. Eno;D. Ferencek;J. A. Gomez;N. J. Hadley;R. G. Kellogg;M. Kirn;Y. Lu;A. C. Mignerey;K. Rossato;P. Rumerio;F. Santanastasio;A. Skuja;J. Temple;M. B. Tonjes;S. C. Tonwar;E. Twedt;B. Alver;G. Bauer;J. Bendavid;W. Busza;E. Butz;I. A. Cali;M. Chan;V. Dutta;P. Everaerts;G. G. Ceballos;M. Goncharov;K. A. Hahn;P. Harris;Y. Kim;M. Klute;Y. . . J.;W. Li;C. Loizides;P. D. Luckey;T. Ma;S. Nahn;C. Paus;D. Ralph;C. Roland;G. Roland;M. Rudolph;G. S. F.;F. Stoeckli;K. Sumorok;K. Sung;D. Velicanu;E. A. Wenger;R. Wolf;S. Xie;M. Yang;Y. Yilmaz;A. S. Yoon;M. Zanetti;S. I. Cooper;P. Cushman;B. Dahmes;A. D. Benedetti;P. R. Dudero;G. Franzoni;A. Gude;J. Haupt;K. Klapoetke;Y. Kubota;J. Mans;N. Pastika;V. Rekovic;R. Rusack;M. Sasseville;A. Singovsky;N. Tambe;L. M. Cremaldi;R. Godang;R. Kroeger;L. Perera;R. Rahmat;D. A. Sanders;D. Summers;K. Bloom;S. Bose;J. Butt;D. R. Claes;A. Dominguez;M. Eads;P. Jindal;J. Keller;T. Kelly;I. Kravchenko;J. Lazo Flores;H. Malbouisson;S. Malik;G. R. Snow;U. Baur;A. Godshalk;I. Iashvili;S. Jain;A. Kharchilava;A. Kumar;S. P. Shipkowski;K. Smith;G. Alverson;E. Barberis;D. Baumgartel;O. Boeriu;M. Chasco;S. Reucroft;J. Swain;D. Trocino;D. Wood;J. Zhang;A. Anastassov;A. Kubik;N. Odell;R. A. O.;B. Pollack;A. Pozdnyakov;M. Schmitt;S. Stoynev;M. Velasco;S. Won;L. Antonelli;D. Berry;A. B. Ff;M. Hildreth;C. Jessop;D. J. Karmgard;J. Kolb;T. Kolberg;K. Lannon;W. Luo;S. Lynch;N. Marinelli;D. M. Morse;T. Pearson;R. Ruchti;J. Slaunwhite;N. Valls;M. Wayne;J. Ziegler;B. Bylsma;L. S. Durkin;J. Gu;C. Hill;P. Killewald;K. Kotov;T. Y. Ling;M. Rodenburg;C. Vuosalo;G. Williams;N. Adam;E. Berry;P. Elmer;D. Gerbaudo;V. Halyo;P. Hebda;A. Hunt;J. Jones;E. Laird;D. L. Pegna;D. Marlow;T. Medvedeva;M. Mooney;J. Olsen;P. Piroue;X. Quan;B. Safdi;H. Saka;D. Stickland;C. Tully;J. S. Werner;A. Zuranski;J. G. Acosta;X. T. Huang;A. Lopez;H. Mendez;S. Oliveros;J. E. Ramirez;A. Zatserklyaniy;E. Alagoz;V. E. Barnes;G. Bolla;L. Borrello;D. Bortoletto;M. D. Mattia;A. Everett;A. F. Garfinkel;L. Gutay;Z. Hu;M. Jones;O. Koybasi;M. Kress;A. T. Laasanen;N. Leonardo;C. Liu;V. Maroussov;P. Merkel;D. H. Miller;N. Neumeister;I. Shipsey;D. Silvers;A. Svyatkovskiy;H. D. Yoo;J. Zablocki;Y. Zheng;N. Parashar;A. Adair;C. Boulahouache;K. M. Ecklund;F. J. M.;B. P. Padley;R. Redjimi;J. Roberts;J. Zabel;B. Betchart;A. Bodek;Y. S. Chung;R. Covarelli;P. d. Barbaro;R. Demina;Y. Eshaq;H. Flacher;A. Garcia Bellido;P. Goldenzweig;Y. Gotra;J. Han;A. Harel;D. C. Miner;D. Orbaker;G. Petrillo;W. Sakumoto;D. Vishnevskiy;M. Zielinski;A. Bhatti;R. Ciesielski;L. Demortier;K. Goulianos;G. Lungu;S. Malik;C. Mesropian;O. Atramentov;A. Barker;D. Duggan;Y. Gershtein;R. Gray;E. Halkiadakis;D. Hidas;D. Hits;A. Lath;S. Panwalkar;R. Patel;K. Rose;S. Schnetzer;S. Somalwar;R. Stone;S. Thomas;G. Cerizza;M. Hollingsworth;S. Spanier;Z. C. Yang;A. York;R. Eusebi;W. Flanagan;J. Gilmore;A. Gurrola;T. Kamon;V. Khotilovich;R. Montalvo;I. Osipenkov;Y. Pakhotin;A. Safonov;S. Sengupta;A. Tatarinov;D. Toback;M. Weinberger;N. Akchurin;C. Bardak;J. Damgov;C. Jeong;K. Kovitanggoon;S. W. Lee;T. Libeiro;P. Mane;Y. Roh;A. Sill;I. Volobouev;R. Wigmans;E. Yazgan;E. Appelt;E. Brownson;D. Engh;C. Florez;W. Gabella;M. Issah;W. Johns;P. Kurt;C. Maguire;A. Melo;P. Sheldon;B. Snook;S. Tuo;J. Velkovska;M. W. Arenton;M. Balazs;S. Boutle;B. Cox;B. Francis;J. Goodell;R. Hirosky;A. Ledovskoy;C. Lin;C. Neu;R. Yohay;S. Gollapinni;R. Harr;P. E. Karchin;P. Lamichhane;M. Mattson;C. Milstene;A. Sakharov;M. Anderson;M. Bachtis;J. N. Bellinger;D. Carlsmith;S. Dasu;J. Efron;L. Gray;K. S. Grogg;M. Grothe;R. Hall Wilton;M. Herndon;A. Herve;P. Klabbers;J. Klukas;A. Lanaro;C. Lazaridis;J. Leonard;R. Loveless;A. Mohapatra;I. Ojalvo;D. Reeder;I. Ross;A. Savin;W. H. Smith;J. Swanson;M. Weinberg
2011
Abstract
An inclusive search for same-sign top-quark pair production in pp collisions at root s = 7 TeV is performed using a data sample recorded with the CMS detector in 2010, corresponding to an integrated luminosity of 35 pb(-1). This analysis is motivated by recent studies of p (p) over bar -> t (t) over bar reporting mass-dependent forward-backward asymmetries larger than expected from the standard model. These asymmetries could be due to Flavor Changing Neutral Currents (FCNC) in the top sector induced by t -channel exchange of a massive neutral vector boson (Z'). Models with such a Z' also predict enhancement of same-sign top-pair production in pp or pp collisions. Limits are set as a function of the Z' mass and its couplings to u and t quarks. These limits disfavour the FCNC interpretation of the Tevatron results.
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/772386
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simulazione ASN
Il report seguente simula gli indicatori relativi alla propria produzione scientifica in relazione alle soglie ASN 2023-2025 del proprio SC/SSD. Si ricorda che il superamento dei valori soglia (almeno 2 su 3) è requisito necessario ma non sufficiente al conseguimento dell'abilitazione. La simulazione si basa sui dati IRIS e sugli indicatori bibliometrici alla data indicata e non tiene conto di eventuali periodi di congedo obbligatorio, che in sede di domanda ASN danno diritto a incrementi percentuali dei valori. La simulazione può differire dall'esito di un’eventuale domanda ASN sia per errori di catalogazione e/o dati mancanti in IRIS, sia per la variabilità dei dati bibliometrici nel tempo. Si consideri che Anvur calcola i valori degli indicatori all'ultima data utile per la presentazione delle domande.
La presente simulazione è stata realizzata sulla base delle specifiche raccolte sul tavolo ER del Focus Group IRIS coordinato dall’Università di Modena e Reggio Emilia e delle regole riportate nel DM 589/2018 e allegata Tabella A. Cineca, l’Università di Modena e Reggio Emilia e il Focus Group IRIS non si assumono alcuna responsabilità in merito all’uso che il diretto interessato o terzi faranno della simulazione. Si specifica inoltre che la simulazione contiene calcoli effettuati con dati e algoritmi di pubblico dominio e deve quindi essere considerata come un mero ausilio al calcolo svolgibile manualmente o con strumenti equivalenti.