Experimental discrimination between charge 2e/3 top quark and charge 4e/3 exotic quark production scenarios.

  title={Experimental discrimination between charge 2e/3 top quark and charge 4e/3 exotic quark production scenarios.},
  author={Victor Mukhamedovich Abazov and B. Abbott and Maris Abolins and Bannanje Sripath Acharya and Mark Raymond Adams and T. Adams and Mathieu Agelou and S. H. Ahn and Mahsana Ahsan and Gennady Alexeev and Georgy Alkhazov and Andrew Alton and George Alverson and G. A. Alves and M. Anastasoaie and Timothy R. Andeen and Stuart B. Anderson and Bastien Andrieu and Meghan Anzelc and Yannick Arnoud and Mikhail Arov and Andrew Warren Askew and Barbro {\AA}sman and A C S Assis Jesus and Oleksiy Vladimirovich Atramentov and Christian Autermann and C. Avila and C. Ay and Fr{\'e}d{\'e}rique Badaud and A. Baden and L. Bagby and B. Yu. Baldin and Dmitry Vladimirovich Bandurin and Piyali Banerjee and S. w. Banerjee and Emanuela Barberis and P. Bargassa and P. Baringer and Chris P. Barnes and J. L. Barreto and Joel F. Bartlett and Ursula Bassler and Daniel A. Bauer and A. Bean and M. Begalli and M. Begel and Camille B{\'e}langer-Champagne and Leo Bellantoni and Angela Maria Bellavance and J. A. Benitez and Suman Bala Beri and Gregorio Bernardi and Ralf Patrick Bernhard and Lisa Berntzon and I. A. Bertram and Marc Besançon and R. Beuselinck and V. A. Bezzubov and Pushpalatha C. Bhat and Vipin Bhatnagar and M. Binder and Catherine Biscarat and Kevin Matthew Black and I. Blackler and Gerald Charles Blazey and F. Blekman and Susan K. Blessing and D. Bloch and Kenneth Bloom and U. Blumenschein and Amber Boehnlein and O. E. Vickey Boeriu and T. A. Bolton and G. Borissov and K. Bos and Tulika Bose and Andrew Gerhart Brandt and R. Brock and G. Brooijmans and Alan David Bross and D. A. Brown and Norman Buchanan and D. Bruce Buchholz and Marc Buehler and Volker Buescher and S. Burdin and Stephen Burke and T. H. Burnett and Emmanuel Busato and Claus Peter Buszello and John M. Butler and P. Calfayan and S. Calvet and Jochen Cammin and Sascha Caron and W. Carvalho and Brendan Cameron Kieran Casey and Neal M. Cason and Heriberto Castilla-Valdez and Dhiman Chakraborty and K. M. Chan and A. Chandra and F. Charles and E. Cheu and Fr{\'e}d{\'e}ric Chevallier and David Cho and S Choi and B. C. Choudhary and Leonard Steven Christofek and Daniel Claes and Benoit Cl{\'e}ment and C. Clement and Y. Coadou and Mark S. Cooke and William Edward Cooper and Don Coppage and Marjorie D. Corcoran and M. C. Cousinou and Bradley Cox and S. Cr{\'e}p{\'e}-Renaudin and David Cutts and Mikołaj {\'C}wiok and H. da Motta and A. Das and M. Das and B. Davies and Gavin John Davies and G. Albyn Davis and Kaushik De and P. de Jong and S. J. de Jong and E. De La Cruz-Burelo and Caroline Alves de Oliveira Martins and James D. Degenhardt and F. Deliot and Marcel Demarteau and Regina Demina and Pavel Demine and Dmitri Denisov and Sergei P. Denisov and Satish V. Desai and H. Thomas Diehl and M. Diesburg and Mark Doidge and A. Dominguez and H. Dong and Lev Dudko and L. Duflot and Shashikant R. Dugad and Daniel Duggan and A. Duperrin and J. Dyer and A. S. Dyshkant and Michael Eads and Daniel Edmunds and T. Edwards and John Anthony Ellison and J. Elmsheuser and V. D. Elvira and Sarah Catherine Eno and P. F. Ermolov and H. Evans and Alexey Evdokimov and Valeri N Evdokimov and Sarosh N Fatakia and L. Feligioni and Alexey V. Ferapontov and Thomas Ferbel and Frank Fiedler and Frank Filthaut and W. C. Fisher and H. Eugene Fisk and I. Fleck and Matthew Ford and Michael R. Fortner and H. Fox and Shaohua Fu and Stuart Fuess and Thomas Gadfort and C. Galea and E. J. Gallas and Eugene N. Galyaev and C. Gar{\'c}ıa and Ar{\'a}n Garc{\'i}a-Bellido and Jason S. Gardner and Vladimir Gavrilov and A. P. R. Gay and Pascal Gay and Denis Gel{\'e} and Raymond Gelhaus and C. E. Gerber and Yuri Gershtein and D. Gillberg and George Ginther and N. P. Gollub and Bernardo J. A Gomez and A. G. Goussiou and Paul D. Grannis and Herbert Greenlee and Zeno Dixon Greenwood and E. M. Gregores and G{\'e}rald Grenier and Philippe Gris and J.-F. Grivaz and S. Gr{\"u}nendahl and M. W. Gr{\"u}newald and F. Guo and J. Guo and Gustavo Gutierrez and P. Gutierrez and A. Haas and Nicholas John Hadley and Petra Haefner and S. Hagopian and J. Haley and I. Hall and R. E. Hall and L. Han and K. Hanagaki and Per M Hansson and K. Harder and A Harel and Robert Harrington and John Michael Hauptman and Reiner Hauser and J. M. Hays and T. Hebbeker and David R. Hedin and J. Hegeman and James Heinmiller and A. P. Heinson and Ulrich Heintz and Carsten Hensel and Ken Herner and Gavin Hesketh and Michael D. Hildreth and R. Hirosky and J. Hobbs and Bruce Hoeneisen and Hendrik Hoeth and Marc Hohlfeld and S. J. Hong and Ryan James Hooper and Peter Houben and Y. L. Hu and Z. Hubacek and Vladim{\'i}r Hynek and I. Iashvili and Robert Illingworth and Amando S. Ito and Shabnam Jabeen and Michel Jaffr{\'e} and S Jain and Karl Jakobs and Chad Jarvis and A. Jenkins and Richard L. Jesik and K. A. Johns and C. A. Johnson and M. E. Johnson and Alan M. Jonckheere and Patrik Jonsson and Aurelio Juste and Daniela K{\"a}fer and Stephen A. Kahn and Eric Kajfasz and Alexey Kalinin and J. M. Kalk and J. R. Kalk and Steffen G. Kappler and Dmitrii Karmanov and Justin C. Kasper and Peter Kasper and Ioannis Katsanos and Daekwang Kau and Rupinder Kaur and R. Kehoe and S. Kermiche and Norik Khalatyan and A. Khanov and A. I. Kharchilava and Y. M. Kharzheev and David Khatidze and H. Kim and T J Kim and Michael H. Kirby and B. Klima and Jatinder Mohan Kohli and Jens Peter Konrath and Miroslav Kopal and V. M. Korablev and Jonathan Kotcher and B. Kothari and A. Koubarovsky and Alexander Kozelov and Joseph F. Kozminski and Dan Krop and Abaz Kryemadhi and T. Kuhl and Arun Kumar and Shuichi Kunori and A. Kupco and Tibor Kurca and Jiř{\'i} Kvita and Sabine Lammers and Greg Landsberg and J. Lazoflores and A. -C. Le Bihan and Paul L. G. Lebrun and W. M. Lee and Alexander Leflat and Franz Lehner and Valentin Lesne and J. Lev{\^e}que and Philip Lewis and J. Li and Q. Z. Li and J. Guilherme Lima and D. Lincoln and J. T. Linnemann and V. V. Lipaev and Richard Lipton and Z. Liu and L. Lobo and A. A. Lobodenko and M. Lokaj{\'i}cek and A. Lounis and Peter Love and H. J. Lubatti and Monika Lynker and Adam L. Lyon and A. K. A. Maciel and Ronald J. Madaras and P. M{\"a}ttig and Carsten Magass and Alan Magerkurth and A. M. Magnan and N. Makovec and Prolay Kumar Mal and H. Brandao Malbouisson and S. Malik and Vladimir L Malyshev and Hsi-Shu Mao and Y. Maravin and Michael Martens and R. L. Mccarthy and D. Meder and Alex Melnitchouk and Andre David Tinoco Mendes and L. Mendoza and Mikhail M Merkin and K. W. Merritt and Andreas Bernhard Meyer and J. P. Meyer and Marine Michaut and Hannu I. Miettinen and Thomas Millet and Jovan Mitrevski and Jose Ruben Alfaro Molina and Naba Kumar Mondal and James Monk and R. W. Moore and Tania Moulik and G. S. Muanza and M. Mulders and Michael Mulhearn and L. Mundim and Yildirim Dogan Mutaf and E. Nagy and M. Naimuddin and Meenakshi Narain and N. A. Naumann and H. A. Neal and Juan Pablo Negret and P. V. Neustroev and Carsten Noeding and Andrei Nomerotski and Sergio Ferraz Novaes and Thomas Nunnemann and Vivian O’dell and D. C. O’Neil and G. Z. Obrant and Vitor Oguri and Nelson de Oliveira and Nobuaki Oshima and Roman Otec and G. Otero y Garzon and M. Owen and Paul Padley and Neeti Parashar and S.-J. Park and S. K. Park and J. A. Parsons and R. Bruce Partridge and Nirmalya Parua and Abid Patwa and G. Pawloski and P. M. Perea and Emmanuel Perez and K. Peters and Pierre P{\'e}troff and Michele Petteni and R. Piegaia and Jeff Piper and Marc-Andr{\'e} Pleier and P. L. M. Podesta-Lerma and Vladimir Podstavkov and Yu.A Pogorelov and Maria Elena Pol and Arnold Pompo{\vs} and Bernard G. Pope and Alexey V. Popov and Christopher Thomas Potter and W.L. Prado Da Silva and Harrison B. Prosper and S. Protopopescu and J. Qian and Arnulf Quadt and B. Quinn and Murilo Santana Rangel and K. J. Rani and K. Ranjan and Peter Ratoff and Peter Renkel and Steve Reucroft and Michael Rijssenbeek and Isabelle Ripp-Baudot and F. Rizatdinova and S. J. Q. Robinson and R. F. Rodrigues and C Royon and Paul Rubinov and Randy C. Ruchti and Viacheslav Rud and G. Sajot and A. Sanchez-Hernandez and Michiel P. Sanders and Alberto F. S. Santoro and Graham Savage and L. Sawyer and T. Scanlon and D. Schaile and R. D. Schamberger and Yu. A. Scheglov and H. Schellman and Philipp Schieferdecker and C. Schmitt and C. Schwanenberger and Ariel Schwartzman and R. Schwienhorst and Jadranka Sekaric and S. Sengupta and Horst Severini and E. Shabalina and Mansoora Shamim and Viatcheslav Shary and A. A. Shchukin and William D. Shephard and Ram Krishen Shivpuri and Dennis Shpakov and Vanja Siccardi and R. A. Sidwell and Vladislav {\vS}im{\'a}k and V. Sirotenko and P. Skubic and Patrick Slattery and Robert P. Smith and Gregory R. Snow and J. Snow and S. Snyder and S. S{\"o}ldner-Rembold and X. F. Song and Lars Sonnenschein and Andr{\'e} Sopczak and Mark Sosebee and Karel Soustruznik and M. H. G. Souza and Barry S. Spurlock and J. Stark and John T. Steele and Viatcheslav Stolin and A. L. Stone and Daniela Stoyanova and J. Strandberg and Sara Strandberg and Michael Allen Strang and Michael Strauss and R. Str{\"o}hmer and D Strom and Mark William Strovink and Linda G. Stutte and S. Sumowidagdo and A. Sznajder and M. Talby and P. Tamburello and W. Taylor and P. K. Telford and Jeffrey Willard Temple and B. Tiller and M. Titov},
  journal={Physical review letters},
  volume={98 4},
We present the first experimental discrimination between the 2e/3 and 4e/3 top quark electric charge scenarios, using top quark pairs (tt) produced in pp collisions at (square root) s = 1.96 TeV by the Fermilab Tevatron Collider. We use 370 pb;{-1} of data collected by the D0 experiment and select events with at least one high transverse momentum electron or muon, high transverse energy imbalance, and four or more jets. We discriminate between b- and b-quark jets by using the charge and momenta… Expand

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