Updated search for long-lived particles decaying to jet pairs

R. Aaij Bernardo Adeva Marco Adinolfi Ziad Ajaltouni 1 Simon Akar Johannes Albrecht Federico Alessio Michael Alexander Suvayu Ali Georgy Alkhazov Paula Alvarez Cartelle Antonio Alves Sandra Amato Silvia Amerio Yasmine Amhis 2 Liupan An Lucio Anderlini Guido Andreassi Mirco Andreotti Jason Andrews Robert Appleby Flavio Archilli Philippe D'Argent Joan Arnau Romeu 3 Alexander Artamonov Marina Artuso Elie Aslanides 3 Giulio Auriemma Marouen Baalouch 1 Igor Babuschkin Sebastian Bachmann John Back Alexey Badalov Clarissa Baesso Sophie Baker Vladislav Balagura 2 Wander Baldini Alexander Baranov Roger Barlow Colin Barschel Sergey Barsuk 2 William Barter Fedor Baryshnikov Mateusz Baszczyk Varvara Batozskaya Vincenzo Battista Aurelio Bay Leo Beaucourt 4 John Beddow Franco Bedeschi Ignacio Bediaga Andrew Beiter Lennaert Bel Violaine Bellee Nicoletta Belloli Konstantin Belous Ivan Belyaev Eli Ben-Haim 5 Giovanni Bencivenni Sean Benson Sarah Beranek Alexander Berezhnoy Roland Bernet Alessandro Bertolin Christopher Betancourt Federico Betti Marc-Olivier Bettler Martinus Van Beuzekom Iaroslava Bezshyiko Simone Bifani Pierre Billoir 5 Thomas Bird Alex Birnkraut Alexander Bitadze Andrea Bizzeti Thomas Blake Frederic Blanc Johan Blouw Steven Blusk Valerio Bocci Thomas Boettcher Alexander Bondar Nikolay Bondar Walter Bonivento Igor Bordyuzhin Alessio Borgheresi Silvia Borghi Maxim Borisyak Martino Borsato Francesco Bossu 2 Meriem Boubdir Themistocles Bowcock Espen Bowen Concezio Bozzi Svende Braun Markward Britsch Thomas Britton Jolanta Brodzicka Emma Buchanan Christopher Burr Albert Bursche Jan Buytaert Sandro Cadeddu Roberto Calabrese Marta Calvi Miriam Calvo Gomez Alessandro Camboni Pierluigi Campana Daniel Campora Perez Lorenzo Capriotti Angelo Carbone Giovanni Carboni Roberta Cardinale Alessandro Cardini Paolo Carniti Laurence Carson Kazuyoshi Carvalho Akiba Gianluigi Casse Lorenzo Cassina Lucia Castillo Garcia Marco Cattaneo Giovanni Cavallero Riccardo Cenci David Chamont 2 Matthew Charles 5 Philippe Charpentier Georgios Chatzikonstantinidis Maximilien Chefdeville 4 Shanzhen Chen Shu Cheung Veronika Chobanova Marcin Chrzaszcz Xabier Cid Vidal Gregory Ciezarek Peter Clarke Marco Clemencic Harry Cliff Joel Closier Victor Coco Julien Cogan 3 Eric Cogneras 1 Violetta Cogoni Lucian Cojocariu Paula Collins Albert Comerma-Montells Andrea Contu Andrew Cook George Coombs Samuel Coquereau Gloria Corti Marco Corvo Cayo Costa Sobral Benjamin Couturier Greig Cowan Daniel Craik Andrew Crocombe Melissa Cruz Torres Samuel Cunliffe Robert Currie Carmelo D'Ambrosio Franciole Da Cunha Marinho Elena Dall'Occo Jeremy Dalseno Pieter David Adam Davis Kristof De Bruyn 3 Stefano De Capua Michel De Cian Jussara De Miranda Leandro De Paula Marilisa De Serio Patrizia De Simone Cameron Dean Daniel Decamp 4 Mirko Deckenhoff Luigi Del Buono 5 Moritz Demmer Adam Dendek Denis Derkach Olivier Deschamps 1 Francesco Dettori Biplab Dey Angelo Di Canto Hans Dijkstra Francesca Dordei Mirco Dorigo Alvaro Dosil Suárez Anatoliy Dovbnya Karlis Dreimanis Laurent Dufour Giulio Dujany Kevin Dungs Paolo Durante Rustem Dzhelyadin Agnieszka Dziurda Alexey Dzyuba Nicolas Déléage 4 Sajan Easo Marcus Ebert Ulrik Egede Victor Egorychev Semen Eidelman Stephan Eisenhardt Ulrich Eitschberger Robert Ekelhof Lars Eklund Scott Ely Sevda Esen Hannah Evans Timothy Evans Antonio Falabella Nathanael Farley Stephen Farry Robert Fay Davide Fazzini Dianne Ferguson Gerard Fernandez Antonio Fernandez Prieto Fabio Ferrari Fernando Ferreira Rodrigues Massimiliano Ferro-Luzzi Sergey Filippov Rosa Fini Marco Fiore Massimiliano Fiorini Miroslaw Firlej Conor Fitzpatrick Tomasz Fiutowski Frederic Fleuret 2 Klaus Fohl Marianna Fontana Flavio Fontanelli Dean Forshaw Roger Forty Vinicius Franco Lima Markus Frank Christoph Frei Jinlin Fu Wolfgang Funk Emiliano Furfaro Christian Färber Abraham Gallas Torreira Domenico Galli Stefano Gallorini Silvia Gambetta Miriam Gandelman Paolo Gandini Yuanning Gao Luis Garcia Martin Julián García Pardiñas Jordi Garra Tico Lluis Garrido Philip Garsed David Gascon Clara Gaspar Laura Gavardi Giulio Gazzoni 1 David Gerick Evelina Gersabeck Marco Gersabeck Timothy Gershon Philippe Ghez 4 Sebastiana Gianì Valerie Gibson Olivier Girard Lavinia-Helena Giubega Konstantin Gizdov Vladimir Gligorov 5 Dmitry Golubkov Andrey Golutvin Alvaro Gomes Igor Gorelov Claudio Gotti Ekaterina Govorkova Ricardo Graciani Diaz Luis Granado Cardoso Eugeni Graugés Elena Graverini Giacomo Graziani Alexandru Grecu Roman Greim Peter Griffith Lucia Grillo Barak Gruberg Cazon Oliver Grünberg Evgeny Gushchin Yury Guz Thierry Gys Carla Göbel Thomas Hadavizadeh Christos Hadjivasiliou 1 Guido Haefeli Christophe Haen Susan Haines Brian Hamilton Xiaoxue Han Stephanie Hansmann-Menzemer Neville Harnew Samuel Harnew Jonathan Harrison Mark Hatch Jibo He Timothy Head Arno Heister Karol Hennessy Pierre Henrard 1 Louis Henry 5 Eric Van Herwijnen Miriam Heß Adlène Hicheur Donal Hill Christoph Hombach Plamen Hopchev Wouter Hulsbergen Thibaud Humair Mikhail Hushchyn David Hutchcroft Marek Idzik Philip Ilten Richard Jacobsson Andreas Jaeger Pawel Jalocha Eddy Jans Abolhassan Jawahery Feng Jiang Malcolm John Daniel Johnson Christopher Jones Christian Joram Beat Jost Nathan Jurik Sergii Kandybei Matthias Karacson James Kariuki Sarah Karodia Matthieu Kecke Matthew Kelsey Matthew Kenzie Tjeerd Ketel Egor Khairullin Basem Khanji Chitsanu Khurewathanakul Thomas Kirn Suzanne Klaver Konrad Klimaszewski Tatsiana Klimkovich Serhii Koliiev Michael Kolpin Ilya Komarov Patrick Koppenburg Alena Kosmyntseva Mohamad Kozeiha 1 Leonid Kravchuk Katharina Kreplin Michal Kreps Pavel Krokovny Florian Kruse Wojciech Krzemien Wojciech Kucewicz Marcin Kucharczyk Vasily Kudryavtsev Axel Kuonen Krzysztof Kurek Tengiz Kvaratskheliya Daniel Lacarrere George Lafferty Adriano Lai Gaia Lanfranchi Christoph Langenbruch Thomas Latham Cristina Lazzeroni Renaud Le Gac 3 Jeroen Van Leerdam Alexander Leflat Jacques Lefrançois 2 Regis Lefèvre 1 Florian Lemaitre Edgar Lemos Cid Olivier Leroy 3 Tadeusz Lesiak Blake Leverington Tenglin Li Yiming Li 2 Tatiana Likhomanenko Rolf Lindner Christian Linn Federica Lionetto Xuesong Liu David Loh Iain Longstaff Jose Lopes Donatella Lucchesi Miriam Lucio Martinez Haofei Luo Anna Lupato Eleonora Luppi Oliver Lupton Alberto Lusiani Xiao-Rui Lyu Frederic Machefert 2 Florin Maciuc Oleg Maev Kevin Maguire Sneha Malde Alexander Malinin Timofei Maltsev Giulia Manca Giampiero Mancinelli 3 Peter Manning Jan Maratas 1 Jean Marchand 4 Umberto Marconi Carla Marin Benito Matthieu Marinangeli Pietro Marino Jörg Marks Giuseppe Martellotti Morgan Martin 3 Maurizio Martinelli Diego Martinez Santos Fernando Martinez Vidal Danielle Martins Tostes Laure Massacrier 2 André Massafferri Rosen Matev Abhijit Mathad Zoltan Mathe Clara Matteuzzi Andrea Mauri Emilie Maurice 2 Brice Maurin Alexander Mazurov Michael Mccann Andrew Mcnab Ronan Mcnulty Brian Meadows Frank Meier Marco Meissner Dmytro Melnychuk Marcel Merk Andrea Merli Emanuele Michielin Diego Milanes Marie-Noelle Minard 4 Dominik Mitzel Andrea Mogini 5 Josue Molina Rodriguez Igancio Monroy Stephane Monteil 1 Mauro Morandin Piotr Morawski Alessandro Mordà 3 Michael Morello Olga Morgunova Jakub Moron Adam Morris Raymond Mountain Franz Muheim Mick Mulder Manuel Mussini Dominik Müller Janine Müller Katharina Müller Vanessa Müller Paras Naik Tatsuya Nakada Raja Nandakumar Anita Nandi Irina Nasteva Matthew Needham Nicola Neri Sebastian Neubert Niko Neufeld Max Neuner Thi Nguyen Chung Nguyen-Mau Simon Nieswand Ramon Niet Nikolay Nikitin Thomas Nikodem Alla Nogay Alexey Novoselov Daniel O'Hanlon Agnieszka Oblakowska-Mucha Vladimir Obraztsov Stephen Ogilvy Rudolf Oldeman Gerco Onderwater Juan Otalora Goicochea Adam Otto Patrick Owen Maria Oyanguren Preema Pais Antimo Palano Matteo Palutan Antonios Papanestis Marco Pappagallo Luciano Pappalardo William Parker Christopher Parkes Giovanni Passaleva Alessandra Pastore Girish Patel Mitesh Patel Claudia Patrignani Alex Pearce Antonio Pellegrino Gianni Penso Monica Pepe Altarelli Stefano Perazzini Pascal Perret 1 Luca Pescatore Konstantinos Petridis Alessandro Petrolini Aleksandr Petrov Marco Petruzzo Eduardo Picatoste Olloqui Boleslaw Pietrzyk 4 Malgorzata Pikies Davide Pinci Alessandro Pistone Alessio Piucci Vlad-Mihai Placinta Stephen Playfer Maximo Plo Casasus Tuomas Poikela Francesco Polci 5 Anton Poluektov Ivan Polyakov Erica Polycarpo Gabriela Pomery Sebastien Ponce Alexander Popov Dmitry Popov Bogdan Popovici Stanislav Poslavskii Cédric Potterat Eugenia Price Joseph Price Jessica Prisciandaro Adrian Pritchard Claire Prouve Valery Pugatch Albert Puig Navarro Giovanni Punzi Wenbin Qian Renato Quagliani 2 Bartolomiej Rachwal Jonas Rademacker Matteo Rama Miguel Ramos Pernas Murilo Rangel Iurii Raniuk Fedor Ratnikov Gerhard Raven Federico Redi Stefanie Reichert Alberto Dos Reis Clara Remon Alepuz Victor Renaudin 2 Stefania Ricciardi Sophie Richards Mariana Rihl Kurt Rinnert Vicente Rives Molina Patrick Robbe 2 Ana Rodrigues Eduardo Rodrigues Jairo Rodriguez Lopez Pablo Rodriguez Perez Alexey Rogozhnikov Stefan Roiser Alexandra Rollings Vladimir Romanovskiy Antonio Romero Vidal John Ronayne Marcello Rotondo Matthew Rudolph Thomas Ruf Pablo Ruiz Valls Juan Saborido Silva Elnur Sadykhov Naylya Sagidova Biagio Saitta Valdir Salustino Guimaraes David Sanchez Gonzalo Carlos Sanchez Mayordomo Brais Sanmartin Sedes Roberta Santacesaria Cibran Santamarina Rios Marco Santimaria Emanuele Santovetti Alessio Sarti Celestina Satriano Alessia Satta Daniel Saunders Darya Savrina Stefan Schael Margarete Schellenberg Manuel Schiller Heinrich Schindler Maximilian Schlupp Michael Schmelling Timon Schmelzer Burkhard Schmidt Olivier Schneider Andreas Schopper Hf Schreiner Konstantin Schubert Maxime Schubiger Marie Schune 2 Rainer Schwemmer Barbara Sciascia Adalberto Sciubba Alexander Semennikov Antonino Sergi Nicola Serra Justine Serrano 3 Lorenzo Sestini Paul Seyfert Mikhail Shapkin Illya Shapoval Yury Shcheglov Tara Shears Lev Shekhtman Vladimir Shevchenko Benedetto Siddi Rafael Silva Coutinho Luiz Silva de Oliveira Gabriele Simi Saverio Simone Marek Sirendi Nicola Skidmore Tomasz Skwarnicki Eluned Smith Iwan Smith Jackson Smith Mark Smith Lais Soares Lavra Michael Sokoloff Paul Soler Bruno Souza de Paula Bernhard Spaan Patrick Spradlin Srikanth Sridharan Federico Stagni Marian Stahl Sascha Stahl Pavol Stefko Slavomira Stefkova Olaf Steinkamp Simon Stemmle Oleg Stenyakin Holger Stevens Scott Stevenson Sabin Stoica Sheldon Stone Barbara Storaci Simone Stracka Maria Stramaglia Mihai Straticiuc Ulrich Straumann Liang Sun William Sutcliffe Krzysztof Swientek Vasileios Syropoulos Marek Szczekowski Tomasz Szumlak Stephane T'Jampens 4 Andrey Tayduganov 3 Tobias Tekampe Giulia Tellarini Frederic Teubert Eric Thomas Jeroen Van Tilburg Matthew Tilley Vincent Tisserand 4 Mark Tobin Siim Tolk Luca Tomassetti Diego Tonelli Stig Topp-Joergensen Francis Toriello Edwige Tournefier 4 Stephane Tourneur Karim Trabelsi Murdo Traill Minh Tran Marco Tresch Ana Trisovic Andrei Tsaregorodtsev 3 Panagiotis Tsopelas Alison Tully Niels Tuning Artur Ukleja Andrey Ustyuzhanin Ulrich Uwer Claudia Vacca Vincenzo Vagnoni Andrea Valassi Sebastien Valat Giovanni Valenti Ricardo Vazquez Gomez Pablo Vazquez Regueiro Stefania Vecchi Maarten Van Veghel Jaap Velthuis Michele Veltri Giovanni Veneziano Aravindhan Venkateswaran Maxime Vernet 1 Mika Vesterinen Joao Viana Barbosa Benoit Viaud 2 Daniel Vieira Maria Vieites Diaz Harald Viemann Xavier Vilasis-Cardona Marcela Vitti Vladimir Volkov Achim Vollhardt Balazs Voneki Alexey Vorobyev Vitaly Vorobyev Christian Voß Jacco De Vries Carlos Vázquez Sierra Roland Waldi Charlotte Wallace Ronan Wallace John Walsh Jianchun Wang David Ward Heather Wark Nigel Watson David Websdale Andreas Weiden Mark Whitehead Jean Wicht Guy Wilkinson Michael Wilkinson Mark Williams Matthew Williams Mike Williams Timothy Williams Fergus Wilson Jack Wimberley Michael Winn 2 Julian Wishahi Wojciech Wislicki Mariusz Witek Guy Wormser 2 Stephen Wotton Kenneth Wraight Kenneth Wyllie Yuehong Xie Zhirui Xu 4 Zhenwei Yang Yuezhe Yao Hang Yin Jiesheng Yu Xuhao Yuan Oleg Yushchenko Kristian Zarebski Mikhail Zavertyaev Liming Zhang Yanxi Zhang 2 Alexey Zhelezov Yangheng Zheng Xianglei Zhu Valery Zhukov Stefano Zucchelli
Abstract : A search is presented for long-lived particles with a mass between 25 and 50 $\,\mathrm{GeV}/c^{2}$ and a lifetime between 2 and 500 ps, using proton–proton collision data corresponding to an integrated luminosity of 2.0 $\,\mathrm{fb}^{-1}$ , collected by the LHCb detector at centre-of-mass energies of 7 and 8 TeV. The particles are assumed to be pair-produced in the decay of a 125 $\,\mathrm{GeV}/c^{2}$ Standard-Model-like Higgs boson. The experimental signature is a single long-lived particle, identified by a displaced vertex with two associated jets. No excess above background is observed and limits are set on the production cross-section as a function of the mass and lifetime of the long-lived particle.
Type de document :
Article dans une revue
Eur.Phys.J.C, 2017, 77 (12), pp.812. 〈10.1140/epjc/s10052-017-5178-x〉
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https://hal.archives-ouvertes.fr/hal-01669717
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Soumis le : jeudi 21 décembre 2017 - 00:09:33
Dernière modification le : mardi 9 octobre 2018 - 20:11:35

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R. Aaij, Bernardo Adeva, Marco Adinolfi, Ziad Ajaltouni, Simon Akar, et al.. Updated search for long-lived particles decaying to jet pairs. Eur.Phys.J.C, 2017, 77 (12), pp.812. 〈10.1140/epjc/s10052-017-5178-x〉. 〈hal-01669717〉

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