Combined Forward-Backward Asymmetry Measurements in Top-Antitop Quark Production at the Tevatron

Timo Antero Aaltonen Victor Mukhamedovich Abazov Braden Keim Abbott Bannanje Sripath Acharya Mark Raymond Adams Todd Adams James P Agnew Guennadi D Alexeev Georgiy D Alkhazov Andrew K Alton Silvia Amerio Dante E Amidei Anton Iankov Anastassov Alberto Annovi Jaroslav Antos Giorgio Apollinari Jeffrey A Appel Tetsuo Arisawa Akram Muzafarovich Artikov Jonathan A Asaadi William Joseph Ashmanskas Andrew Warren Askew Scott Atkins Benjamin Auerbach Kamil Augsten Adam J Aurisano Volodymyr Aushev Yegor Aushev Carlos A Avila Farrukh A Azfar Frederique Badaud 1 William Farris Badgett Taegil Bae Linda F Bagby Boris Baldin Dmitry V Bandurin Sunanda Banerjee Angela Barbaro-Galtieri Emanuela Barberis Philip S Baringer Virgil E Barnes Bruce Arnold Barnett Patrizia Barria Jfrederick Bartlett Pavol Bartos Ursula Rita Bassler 2 Matteo Bauce Victor Bazterra Alice L Bean Franco Bedeschi Marcia Begalli Satyajit Behari Leo Bellantoni Giorgio Bellettini James Nugent Bellinger Douglas P Benjamin Andrew F Beretvas Suman B Beri Gregorio Bernardi 3 Ralf Patrick Bernhard Iain A Bertram Marc Besancon 2 Raymond Beuselinck Pushpalatha C Bhat Sudeep Bhatia Vipin Bhatnagar Anwar Ahmad Bhatti Karen Renee Bland Gerald Charles Blazey Susan K Blessing Kenneth A Bloom Barry J Blumenfeld Andrea Bocci Arie Bodek Amber S Boehnlein Daniel Dooley Boline Edward E Boos Guennadi Borissov Daniela Bortoletto Maryna Borysova Joseph Francis Boudreau Antonio Boveia Andrew Brandt Oleg Brandt Luca Brigliadori Michelle Brochmann Raymond L Brock Carl Michael Bromberg Alan D Bross Duncan Paul Brown 3 Erik Brucken Xue-Bing Bu Ioulian A Budagov Howard Scott Budd Marc Buehler Volker Buescher Viacheslav Yevgenyevich Bunichev Sergey Burdin Kevin Alan Burkett Giovanni Busetto Peter John Bussey Claus Peter Buszello Pierfrancesco Butti Adrian Buzatu Aristotle Calamba Enrique Camacho-Perez Stefano Camarda Mario Campanelli Florencia Canelli Benjamin Carls Duncan L Carlsmith Roberto Carosi Salvador Carrillo Moreno Bruno Casal Larana Massimo Casarsa Brendan Cameron Kieran Casey Heriberto Castilla-Valdez Andrea Castro Pierluigi Catastini Seth Aaron Caughron Diego Cauz Viviana Cavaliere Alessandro Cerri Lucio Cerrito Subhendu Chakrabarti Kwok Ming Leo Chan Avdhesh Chandra Antoine Chapelain 2 Emilien Chapon 2 Guo Chen Yen-Chu Chen Maxwell Benjamin Chertok Giorgio Chiarelli Gouram Chlachidze Kihyeon Cho Sung-Woong Cho Suyong Choi Davit Chokheli Brajesh C Choudhary Selcuk Cihangir Daniel R Claes Allan Geoffrey Clark Christopher Joseph Clarke Justace Randall Clutter Mary Elizabeth Convery John Stephen Conway Michael P Cooke William Edward Cooper Matteo Corbo 3 Marjorie D Corcoran Marco Cordelli Fabrice Couderc 2 Marie-Claude Cousinou 4 Charles Alexander Cox David Jeremy Cox Matteo Cremonesi Daniel Cruz Alonso Javier Cuevas Maestro Raymond Lloyd Culbertson Jakub Cuth David Cutts Amitabha Das Nicola d'Ascenzo Mousumi Datta Gavin John Davies Pawel de Barbaro Sijbrand Jan de Jong Eduard de La Cruz-Burelo Frederic Deliot 2 Regina Demina Luc M Demortier Maria Maddalena Deninno Dmitri S Denisov Sergei P Denisov Maria d'Errico Satish Vijay Desai Cecile Deterre Kayle Otis Devaughan Francesco Devoto Angelo Di Canto Benedetto Di Ruzza Hthomas Diehl Michael Diesburg Pengfei Ding Jay Richard Dittmann Daaron M Dominguez Simone Donati Monica d'Onofrio Mirco Dorigo Anna Driutti Alexey Drutskoy Abhinav Kumar Dubey Lev V Dudko Arnaud Duperrin 4 Suneel Dutt Michael T Eads Koji Ebina Ryan Christopher Edgar Daniel L Edmunds Andrey Lvovich Elagin John A Ellison Vdaniel Elvira Yuji Enari 3 Robin D Erbacher Steven Michael Errede Benjamin Esham Harold G Evans Anatoly V Evdokimov Valeri N Evdokimov Sinead Marie Farrington Alexandre Faure 2 Lei Feng Thomas Ferbel Juan Pablo Fernández Ramos Frank Fiedler Richard D Field Frank Filthaut Wade Cameron Fisher Heugene Fisk Gene U Flanagan Robert David Forrest Michael R Fortner Harald Fox Jiri Franc Melissa Eb Franklin John Christian Freeman Henry J Frisch Stuart C Fuess Yujiro Funakoshi Camilla Galloni Peter H Garbincius Aran Garcia-Bellido Jose Andres Garcia-Gonzalez Arthur F Garfinkel Paola Garosi Vladimir B Gavrilov Weigang Geng 4 Cecilia Elena Gerber Heather Kay Gerberich Elena A Gerchtein Yuri S Gershtein Stefano Giagu Viktoria Athina Giakoumopoulou Karen Ruth Gibson Camille Marie Ginsburg George E Ginther Nikos D Giokaris Paolo Giromini Vladimir Glagolev Douglas Andrew Glenzinski Olga Gogota Michael S Gold Daniel Goldin Alexander Golossanov Georgy Anatolievich Golovanov Gervasio Gomez Guillelmo Gomez-Ceballos Maxim T Goncharov Oscar González López Igor V Gorelov Alfred T Goshaw Konstantin A Goulianos Elena Gramellini Paul D Grannis Sebastien Greder 5 Herbert B Greenlee Gerald Jean Grenier 6 Phillipe Luc Gris 1 Jean-Francois Grivaz 7 Alexander Grohsjean 2 Carla Grosso-Pilcher Stefan Gruenendahl Martin Werner Gruenewald Thibault Guillemin 7 Joao Guimaraes da Costa Gaston R Gutierrez Phillip Gutierrez Stephen R Hahn Joseph Glenn Biddle Haley Ji-Yeon Han Liang Han Fabio Happacher Kazuhiko Hara Kristian Harder Matthew Frederick Hare Amnon Harel Robert Francis Harr Timothy Harrington-Taber Kenichi Hatakeyama John Michael Hauptman Christopher Paul Hays Jonathan M Hays Tim Head Thomas Hebbeker David R Hedin Hatim Hegab Joel G Heinrich Ann Heinson Ulrich Heintz Carsten Hensel Ivan Heredia-de La Cruz Matthew Fairbanks Herndon Kenneth Richard Herner Gavin G Hesketh Michael D Hildreth Robert James Hirosky Trang Hoang John D Hobbs James Andrew Hocker Bruce Hoeneisen Julie Hogan Mark Hohlfeld Jenny Lyn Holzbauer Ziqing Hong Walter Howard Hopkins Suen Ray Hou Ian James Howley Zdenek Hubacek 2 Richard Edward Hughes Ulrich Husemann Mohammad Hussein Joey Walter Huston Vlastislav Hynek Ia Iashvili Yuriy Ilchenko Robert A Illingworth Gianluca Introzzi Maurizio Iori Albert S Ito Andrew Gennadievich Ivanov Shabnam Jabeen Michel J Jaffre 7 Eric B James Dongwook Jang Ayesh Jayasinghe Bodhitha Anjalike Jayatilaka Eun-Ju Jeon Min-Soo Jeong Richard L Jesik Peng Jiang Sergo Robert Jindariani Kenneth Arthur Johns Emily Johnson Marvin E Johnson Alan M Jonckheere Matthew T Jones Per Martin Jonsson Kyung Kwang Joo Jyoti Joshi Soon Yung Jun Andreas Werner Jung Thomas R Junk Aurelio Juste Eric Kajfasz 4 Manuel Kambeitz Teruki Kamon Paul Edmund Karchin Dmitriy Y Karmanov Azeddine Kasmi Yukihiro Kato Ioannis Katsanos Manbir Kaur Robert Leo Patrick Kehoe Smain Kermiche 4 Wesley Robert Ketchum Justin Kien Keung Norayr Khalatyan Alexander Khanov Avto Kharchilava Yuri N Kharzheev Benjamin John Kilminster Donghee Kim Hyunsoo Kim Jieun Kim Min Jeong Kim Shin-Hong Kim Soo Bong Kim Young-Jin Kim Young-Kee Kim Naoki Kimura Michael H Kirby Ivan Lvovich Kiselevich Jatinder M Kohli Kunitaka Kondo Dae Jung Kong Jacobo Konigsberg Ashutosh Vijay Kotwal Alexander V Kozelov James Alexander Kraus Michal Kreps Ijoseph Kroll Mark Charles Kruse Thomas Kuhr Ashish Kumar Alexander Kupco Masakazu Kurata Tibor Kurca 6 Valentin Alexandrovich Kuzmin Alvin 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Marino Jorge Martinez-Ortega Keith Matera Mark Edward Mattson Anna Mazzacane Paolo Mazzanti Robert L Mccarthy Carrie Lynne Mcgivern Ronan Mcnulty Andrew Mehta Petteri Mehtala Melvin M Meijer Alexander S Melnitchouk Diego D Menezes Pedro Galli Mercadante Mikhail M Merkin Christina Mesropian Arnd Meyer Jorg Manfred Meyer Ting Miao Florian Miconi 5 David John Mietlicki Ankush Mitra Hideki Miyake Shulamit Moed Niccolo Moggi Naba K Mondal Chang-Seong Moon 3 Ronald Scott Moore Michael Joseph Morello Aseet Mukherjee Michael James Mulhearn Thomas Muller Pavel A Murat Manuel Mussini Jane Marie Nachtman Yoshikazu Nagai Junji Naganoma Elemer Nagy 4 Itsuo Nakano Austin Napier Meenakshi Narain Ruchika Nayyar Homer A Neal Juan Pablo Negret Jason Michael Nett Petr V Neustroev Huong Thi Nguyen Turgun S Nigmanov Lawrence J Nodulman Seoyoung Noh Olga Norniella Francisco Thomas P Nunnemann Louise Beth Oakes Seog Hwan Oh Young-Do Oh Toru Okusawa Risto Olavi Orava Jose de Jesus Hernandez Orduna Lorenzo 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Isabel Rodriguez Simona Rolli Mandy Kathleen Rominsky Manfredi Ronzani Robert Martin Roser Jonathan L Rosner Anthony Ross Christophe Royon Paul Michael Rubinov Randal C Ruchti Fabrizio Ruffini Alberto Ruiz Jimeno James S Russ Vadim Liviu Rusu Gerard Sajot 8 Willis Kazuo Sakumoto Yuki Sakurai Alberto Sanchez-Hernandez Michiel P Sanders Lorenzo Santi Angelo Souza Santos Koji Sato David G Savage Valeri Saveliev Mykola Savitskyi Aurore Savoy-Navarro 3 Hlee Sawyer Timothy P Scanlon Rdean Schamberger Yury A Scheglov Heidi M Schellman Philip Schlabach Eugene E Schmidt Matthias Schott Christian Schwanenberger Thomas A Schwarz Reinhard H Schwienhorst Luca Scodellaro Fabrizio Scuri Sally C Seidel Yoshihiro Seiya Jadranka Sekaric Alexei Semenov Horst Severini Federico Sforza Elizaveta K Shabalina Shalhout Zaki Shalhout Viacheslav V Shary 2 Savanna Shaw Andrey A Shchukin Tara G Shears Paul F Shepard Makoto Shimojima Oleg Shkola Melvyn J Shochet Irina Shreyber-Tecker Vladislav J Simak Alexander V 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Vasilyev Elsa Fabiola Vázquez-Valencia Gueorgui Velev Konstantinos Vellidis Alexander Yurievich Verkheev Caterina Vernieri Leonid S Vertogradov Marco Verzocchi Mika Vesterinen Miguel Vidal Marono Didier Vilanova 2 Rocio Vilar Cortabitarte Jesus Manuel Vizán Garcia Marcelo Vogel Petr Vokac Guido Volpi Peter Wagner Horst D Wahl Rainer S Wallny Michael Hls Wang Song-Ming Wang Jadwiga Warchol David S Waters Gordon Thomas Watts Mitchell R Wayne Jonas Weichert Leah Christine Welty-Rieger William Carl Wester Daniel O Whiteson Arthur Barry Wicklund Scott Wilbur Hugh H Williams Mark Richard James Williams Graham Wallace Wilson Jonathan Samuel Wilson Peter James Wilson Brian L Winer Peter Wittich Markus Wobisch Stephen A Wolbers Homer Wolfmeister Darien Robert Wood Thomas Roland Wright Xin Wu Zhenbin Wu Terence R Wyatt Yunhe Xie Ryuji Yamada Kazuhiro Yamamoto Daisuke Yamato Siqi Yang Tingjun Yang Un-Ki Yang Yu Chul Yang Wei-Ming Yao Takahiro Yasuda Yuriy A Yatsunenko Wanyu Ye Zhenyu Ye Gong Ping Yeh Kai Yi Hang Yin Kin Yip John Yoh Kohei Yorita Takuo Yoshida Sungwoo Youn Geum Bong Yu Intae Yu Jiaming Yu Anna Maria Zanetti Yu Zeng Joseph Zennamo Tianqi Gilbert Zhao Bing Zhou Chen Zhou Junjie Zhu Marek Zielinski Daria Zieminska Lidija Zivkovic 3 Stefano Zucchelli
Abstract : The CDF and D0 experiments at the Fermilab Tevatron have measured the asymmetry between yields of forward- and backward-produced top and antitop quarks based on their rapidity difference and the asymmetry between their decay leptons. These measurements use the full data sets collected in proton-antiproton collisions at a center-of-mass energy of s=1.96  TeV. We report the results of combinations of the inclusive asymmetries and their differential dependencies on relevant kinematic quantities. The combined inclusive asymmetry is AFBtt¯=0.128±0.025. The combined inclusive and differential asymmetries are consistent with recent standard model predictions.
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Submitted on : Thursday, February 8, 2018 - 4:03:17 PM
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Timo Antero Aaltonen, Victor Mukhamedovich Abazov, Braden Keim Abbott, Bannanje Sripath Acharya, Mark Raymond Adams, et al.. Combined Forward-Backward Asymmetry Measurements in Top-Antitop Quark Production at the Tevatron. Phys.Rev.Lett., 2018, 120 (4), pp.042001. ⟨10.1103/PhysRevLett.120.042001⟩. ⟨hal-01704669⟩

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