Identification of beauty and charm quark jets at LHCb
R Aaij, G Ciezarek, J Rouvinet,P Collins,G Collazuol, S Roiser,Wenbin Qian,A Vollhardt,B Storaci,O Francisco,D P Ohanlon,M Merk,C R Jones,D Galli, Marienoelle Minard,P Krokovny,M Corvo, Ivan Polyakov,L Kravchuk, J Wishahi,D Volyanskyy,U Gastaldi,N Tuning,S Bachmann,J Benton,D Gascon,Timothy M Evans,Matthew Kelsey,Haofei Luo, N Harnew,D Brett,D Hynds, M Chrzaszcz,J Panman,O Maev,G Haefeli,S Stone,J Lefrancois,H Evans,S Barsuk,F Maciuc,Danielle Martins Tostes,E Tournefier,D Pinci, M Martinez, M Baalouch,Angelo Di Canto,N Rauschmayr,G Graziani, O G Girard,C Baesso,R Waldi,N Nikitin,A Jaeger,D Wiedner,F Jing, O Grunberg, Sascha Stahl, D Ninci, R F Fay,Eluned Smith,M Needham,Burkhard Schmidt, B Maurin,A Bondar,Zhirui Xu,Monica Pepe Altarelli,S Wandernoth,O Stenyakin, C T Dean,M Szczekowski,L Eklund,Josue Molina Rodriguez,Alvaro Gomes,Francesco Di Ruscio,Matthew Kenzie,M Fiore,S Gregson,P Perez,D Derkach,A Carbone,O Deschamps,A D Nguyen,B Viaud,Martinus Van Beuzekom,M Fiorini,P Spradlin,L An,Vanessa Muller,A Pearce,R Oldeman, S Karodia,Shanzhen Chen,P Sail,Juan Jose Saborido Silva,C Hombach,Angelo Geraci,G Raven, F Lionetto, M Petruzzo,N Serra,J J Velthuis,G Tellarini,V V Gligorov,Philippe Charpentier,K Kreplin,F Stagni,A Hicheur,Marc Grabalosa Gandara,Eric Van Herwijnen,L Anderlini, G Punzi,R Forty,Yuehong Xie, L Sestini,L Dufour,X Vilasiscardona,David Ward,Bo Liu,N Hussain,B Sciascia,M Idzik,J M Anderson,Guy R Wilkinson, P Fol,Yuanning Gao,C Nguyenmau,M Karbach,Jeroen Van Leerdam,T Hampson,S Tolk,Janine Muller,B Hamilton,T Gys,S Ali, Antonio Augusto Alves,M Martinelli,E Grauges, Sophie Richards, Jeanpierre Lees,Bruno Osorio Rodrigues,M Borsato,E Gersabeck, F Muheim,Maria Vieites Diaz,I Shapoval,E Santovetti,M Vesterinen,U Marconi,M Liles,S Blusk,M Shapkin,Rolf Lindner,S Filippov,Stephan Eisenhardt,R W Lambert,T Ruf,S Monteil,Mark Whitehead, M S Rangel, A Berezhnoy,B Dey, Julien Cogan,E Jans,F Bedeschi,Maximo Plo Casasus,R Marki,Adam Davis,V Shevchenko,A Sarti,I Longstaff,B Gui,Jacob Todd,A Palano,Carla Marin Benito, Christian Linn,M Andreotti, A Bay, D Gerick,O Okhrimenko,C Thomas, D S Mitzel,J Garofoli, A Weiden,S Tourneur,M Santimaria, Viet Nga La Thi,A B Rodrigues,J Blouw,Kazuyoshi Carvalho Akiba,V Pugatch,M Dorigo,M Veltri,S Ely,Ronan Wallace,A Pellegrino,K Petridis, B Pietrzyk,M Artuso, A Lupato,C Gaspar,A Tsaregorodtsev,C Gobel, Z Ajaltouni,S Sridharan, L Beaucourt, A Jawahery,F Dordei,A Malinin,Abraham Gallas Torreira,D C Craik,Diego Martinez Santos,Michael P Wilkinson,C Langenbruch,G Gazzoni, L J Bel,S Swientek, C Joram,A Satta,U Uwer, A Gianelle,D Vieira,D E Hutchcroft, M Calvi,G D Lafferty,L Carson,Juan Martin Otalora Goicochea,A Sciubba,M Kreps,A Vorobyev,Georgy Alkhazov,B T Meadows,S Cadeddu,N H Brook,Hans Dijkstra,Charlotte Wallace,N Neufeld,M Palutan,M Hoballah,J H Lopes,K Wyllie,D Voong,Heinrich Schindler,F Dupertuis,Paula Alvarez Cartelle,A Affolder, T Humair, A B Morris, A Badalov,N Sagidova,B Langhans,V Vagnoni,J Buytaert,Patrizia De Simone,Jacco De Vries,S Toppjoergensen, T Skwarnicki,S Bifani,A Papanestis,D Lucchesi,S Coquereau,B Popovici,Mitesh Patel,A Bursche,K Klimaszewski,R Calabrese, P M Manning, V Cogoni,W Kanso,Xabier Cid Vidal, T Likhomanenko,R Lefevre,D Savrina,T Head,E Greening, M Mussini, S Lohn,A Bertolin,E Aslanides, Alvaro Dosil Suarez,P E L Clarke, V Battista,D Golubkov,Paul Soler, L Shekhtman,Cibran Santamarina Rios,F Dettori,E Furfaro,R Schwemmer,S Benson,S Esen,T D Bird,P Griffith, G B Patel,A Grecu,S Klaver, P Perret, Osvaldo Aquines Gutierrez, S Gallorini,P Ilten,Miriam Calvo Gomez,A Oblakowskamucha,N Neri,V Romanovsky,G Passaleva,S Gambetta,Luis Alberto Granado Cardoso,Renaud Le Gac,S C Haines,Zhenwei Yang,D Tonelli,Victor Fernandez Albor, A Leflat,M Fontana, W Bonivento,F F Wilson,P Gandini,G Martellotti,Liang Zhong,E Benhaim,Yiming Li,Pieter David, A Golutvin, F Alessio,T Blake, C Khurewathanakul,T E Latham,J Mccarthy,A Zhokhov, P Lowdon,R Niet,C Farinelli,A Comermamontells,C Satriano,S A Wotton,C Vos, Dianne Ferguson,M Kucharczyk,H V Cliff,A Massafferri, O Kochebina,Bruno Souza De Paula,M Korolev,M Morandin,K Hennessy,P Owen, L Gavardi,R Currie, G Cavallero,R B Appleby,F Fontanelli,G Mancinelli,J Prisciandaro,C Prouve,D A Milanes, G Bencivenni,S Stracka,M Sirendi,A Zhelezov, J M Harrison,Jinlin Fu,B Rakotomiaramanana,L Henry,P Durante,Alberto Dos Reis,L Pescatore,T Ketel,Pablo Ruiz Valls, M Neuner,T Nikodem,R Santacesaria,D Websdale, Vasily Kudryavtsev,E Cogneras,Daniel Souza,Christian Elsasser,P Naik,M Schubiger,V Vorobyev,S Neubert,M Torres,A Bizzeti,P Koppenburg,Themistocles Bowcock,F Soomro,A Lai, S Amerio, A Artamonov,P Szczypka,Andrea Mauri, R Quagliani, Jose Angel Hernando Morata,Justine Serrano,V Bocci,G Onderwater,Yanxi Zhang,O Yushchenko,Michel De Cian,S Donleavy,M Tresch,M Ferroluzzi,G Wormser,T Britton,S Tjampens,Z Mathe,S Borghi,Julian Garcia Pardinas,Xuhao Yuan,M Zavertyaev,R Gomez,Pablo Vazquez Regueiro,R Mohr,Andrew Mcnab,C Fitzpatrick,I Raniuk, J Moron,S Cunliffe, A K Kuonen,V Egorychev,T Kvaratskheliya,R Cenci,W Wislicki,A Cardini, M Hes,A Dzyuba,J Closier, A S Popov,L Tomassetti,F Kruse,S Akar,A Pritchard,F Palombo,I Bediaga,G Penso,V Heijne,V Tisserand,C Lazzeroni,W Barter, N Torr,R J Barlow,E Bowen,A Trisovic,Brais Sanmartin Sedes,M H Schune,S Malde,I O Skillicorn,Xiaoxue Han,Y Amhis, V Batozskaya,M Meissner, T Gershon, L L Pappalardo,T Nakada,A Pistone,F Archilli,S Farry,F Teubert,F Machefert,I Belyaev, P Dargent,C Barschel, P Campana,L Cojocariu,S Reichert,A Petrolini,M Teklishyn,B Adeva,Liming Zhang,A Ustyuzhanin, T Tekampe, C Bozzi,K Fohl, M Adinolfi,A Mazurov, Eugenia Price,N Skidmore,I Nasteva,Thidung Nguyen,P Jalocha,R Mountain,C Parkes,S Vecchi,F Redi,Jackson Smith,E Polycarpo, L Cassina,F Meier, A Birnkraut,E Luppi,V Coco,J Dalseno,A Semennikov,M Pappagallo,M J Morello,J Marks,M Karacson, T Schmelzer,C Matteuzzi, P Henrard,Marcolivier Bettler, Weeraddana De Silva,Albert Puig Navarro, Yury Guz,D Perez,W Hulsbergen,Maria Aranzazu Oyanguren,R Jacobsson,S Easo,M Gandelman,Karim Trabelsi,T Shears,Mark J T Smith,S Ricciardi,Ulrik Egede,D Decamp, G Cowan,P Seyfert,S Braun,M Alexander,M Charles,Dean Lambert,Daniel R Johnson,B Khanji,Valdir Salustino Guimaraes,Fernando Ferreira Rodrigues,A Shires,Eduardo Rodrigues,Y Shcheglov,A Poluektov,B Saitta, M Chefdeville,L Buono,Lluis Garrido,T Poikela,P Robbe,G Corti,M Frosini, Ibrahim El Rifai,J Albrecht,G Veneziano,Malcolm John,M Schiller,F Blanc, B Rachwal,O Lupton,G Manca,P Marino,S Perazzini,A Ukleja,G Dujany,C Vacca,K Rinnert, Carmelo Dambrosio,J G Tico, B Leverington,Michael Mccann,K Swientek,K Muller,K Matthieu,S Giani,E Gushchin,Shufaye Cheung,T Lesiak,I Komarov,S Amato,A Vallier,R Cardinale,John E Walsh, D M Saunders,S T Harnew,Leandro De Paula, A C Crocombe, Rose Koopman,Carlos Vazquez Sierra, K Kurek,C Frei,N Jurik, N Farley,C Haen,M Tobin,M Gersabeck,W Sutcliffe, C Hadjivasiliou,Markus Frank,Nikolay Bondar,W Kucewicz,D Dossett,A Otto,J Wimberley,R Gauld,W Baldini,S Eidelman,M Straticiuc,A Contu, K Dreimanis,M M Reid,S Stevenson, A Piucci,V Syropoulos,B Muster, G Casse,Xuesong Liu,Antonio Romero Vidal, M Schlupp,C Farber,D Popov,Stefano De Capua,L Capriotti,M Britsch,F Ferrari,J D Price,A Dziurda,M Firlej,Jibo He,R Mcnulty,C Gotti,O Steinkamp,G Lanfranchi,M Clemencic,U Eitschberger,G Carboni,S Playfer,M D Sokoloff,J Beddow, N Deleage,A Mapelli,J Maratas,R Ekelhof,S Ogilvy,Eduardo Picatoste Olloqui,T Szumlak,M Witek,J J Back, J C Andrews,O Schneider, G Valenti, Vincente Rives Molina,A Schopper,M Cattaneo,A Dovbnya,T Pilař,J F Marchand,G Auriemma,V Niess,A Falabella,J Rademacker,M Stahl,Simon Wright,B Couturier, Jairo Alexis Rodriguez Lopez, A Morda,G Simi,R Bernet,H Ruiz,F Vidal, Christophe Cauet,C Patrignani,M Zangoli,S Stoica,M Rama,S L Hall,V Obraztsov,S Kandybei,N K Watson,Jussara De Miranda, M Schmelling,B Spaan,Jeroen Van Tilburg,Ricardo Graciani Diaz,P Tsopelas, A Novoselov,H Snoek,I Sepp,Kristof De Bruyn, U Straumann,Andrew W Cook, Kevin Maguire, L Grillo, M Rihl,R Dzhelyadin,L Giubega,A Bien,L Garcia, A Mathad,S Hansmannmenzemer,N Chiapolini,P Ghez, M Kolpin,M T Tran, M R J Williams,J Brodzicka,I R Kenyon,G Krocker,C Potterat,P Morawski,M Deckenhoff,Jianchun Wang,E Thomas, B Jost,O Leroy, M Coombes,L Sun, F Polci,E Graverini,M Rotondo,T Fiutowski, Donal Hill,R Matev,Carlos Sanchez Mayordomo,D Lacarrere,Valerie Gibson,P Carniti, Christopher Francis Sterpka,R Nandakumar,Rafael Silva Coutinho
JOURNAL OF INSTRUMENTATION（2015）
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摘要
Identification of jets originating from beauty and charm quarks is important for measuring Standard Model processes and for searching for new physics. The performance of algorithms developed to select b- and c-quark jets is measured using data recorded by LHCb from proton-proton collisions at root s = 7TeV in 2011 and at root s = 8TeV in 2012. The efficiency for identifying a b (c) jet is about 65%(25%) with a probability for misidentifying a light-parton jet of 0.3% for jets with transverse momentum pT > 20GeV and pseudorapidity 2 : 2 < eta < 4.2. The dependence of the performance on the pT and eta of the jet is also measured.
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关键词
Performance of High Energy Physics Detectors,Analysis and statistical methods
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