Bose-Einstein Correlations and Bb‾ Correlations in Pp Collisions with LHCb

Bartosz Malecki,I Bediaga,M. Cruz Torres,J. M. De Miranda,A. C. dos Reis,A. Gomes,A. Massafferri,J. Molina Rodriguez,L. Soares Lavra,R. Tourinho Jadallah Aoude,S. Amato,K. Carvalho Akiba,F. Da Cunha Marinho,L. De Paula,E. Ferreira Rodrigues,M. Gandelman,A. Hicheur,J. H. Lopes,I Nasteva,J. M. Otalora Goicochea,E. Polycarpo,C. Potterat,M. S. Rangel,L. Silva de Oliveira,B. Souza De Paula,L. An,C. Chen,A. Davis,Y. Gan,Y. Gao, C. Gu,F. Jiang,T. Li, X. Liu,Z. Ren,J. Sun,Z. Tang,M. Wang,A. Xu,Z. Xu,Z. Yang,L. Zhang,W. C. Zhang,X. Zhu,M. Chefdeville,D. Decamp,Ph Ghez,J. F. Marchand,M-N Minard,B. Pietrzyk,M. Reboud,S. T'Jampens,E. Tournefier,Z. Ajaltouni,E. Cogneras,O. Deschamps,G. Gazzoni,C. Hadjivasiliou,M. Kozeiha,R. Lefevre,J. Maratas,S. Monteil,P. Perret,B. Quintana,V Tisserand,M. Vernet,J. Arnau Romeu,E. Aslanides, J. Cogan,D. Gerstel,R. Le Gac,O. Leroy,G. Mancinelli,M. Martin,C. Meaux,A. B. Morris,J. Serrano,A. Tayduganov,A. Tsaregorodtsev,Y. Amhis,V Balagura,S. Barsuk,F. Bossu,D. Chamont,J. A. B. Coelho,F. Desse,F. Fleuret,J. Lefrancois,V Lisovskyi,F. Machefert,C. Marin Benito,E. Maurice,V Renaudin,P. Robbe,M. H. Schune,A. Stocchi,A. Usachov,M. Winn,G. Wormser, Y. Zhang,E. Ben-Haim,E. Bertholet,P. Billoir,M. Charles,L. Del Buono,G. Dujany,V. V. Gligorov,A. Mogini,F. Polci,R. Quagliani,F. Reiss,A. Robert,E. S. Sepulveda,D. Y. Tou,S. Beranek,M. Boubdir,S. Escher, T. Kim,C. Langenbruch,M. Materok,S. Nieswand, S. Schael,E. Smith,T. A. Verlage,M. Whitehead,V Zhukov,J. Albrecht,A. Birnkraut,M. Demmer,U. Eitschberger,R. Ekelhof,L. Gavardi,K. Heinicke,A. Heister,P. Ibis,P. Mackowiak,F. Meier,A. Moedden,T. Mombaecher,J. Mueller,V Mueller,R. Niet,S. Reichert,M. Schellenberg,T. Schmelzer,A. Seuthe,B. Spaan,H. Stevens,T. Tekampe,J. Wishahi,H-P Dembinski,T. Klimkovich,M. Schmelling,M. Zavertyaev,S. Bachmann,D. Berninghoff,S. Braun,A. Comerma-Montells,P. d'Argent,M. Dziewiecki,D. Gerick,J. P. Grabowski,X. Han,S. Hansmann-Menzemer,M. Kecke,B. Khanji,M. Kolpin,R. Kopecna,B. Leverington, J. Marks,D. S. Mitzel,S. Neubert,M. Neuner,A. Piucci,N. Skidmore,M. Stahl,S. Stemmle,U. Uwer,A. Zhelezov,R. McNulty,N. V. Veronika,M. De Serio,R. A. Fini,A. Palano,A. Pastore,S. Simone,F. Betti,A. Carbone,A. Falabella,F. Ferrari,D. Galli,U. Marconi,D. P. O'Hanlon,C. Patrignani,M. Soares,V. Vagnoni,G. Valenti,S. Zucchelli,M. Andreotti,W. Baldini,C. Bozzi,R. Calabrese,M. Corvo,M. Fiorini,E. Luppi,L. Minzoni,L. L. Pappalardo,B. G. Siddi,G. Tellarini,L. Tomassetti,S. Vecchi,L. Anderlini,A. Bizzeti,G. Graziani,G. Passaleva,M. Veltri,P. Albicocco,G. Bencivenni,P. Campana,P. Ciambrone,P. De Simone,P. Di Nezza,S. Klaver,G. Lanfranchi,G. Morello, S. Ogilvy,M. Palutan,M. Poli Lener,M. Rotondo,M. Santimaria,A. Sarti,B. Sciascia,R. Cardinale,G. Cavallero,F. Fontanelli,A. Petrolini,N. Belloli,M. Calvi,P. Carniti,L. Cassina,D. Fazzini,C. Gotti,C. Matteuzzi, J. Fu,P. Gandini,D. Marangotto,A. Merli, N. Neri,M. Petruzzo,B. Audurier,D. Brundu,S. Cadeddu,A. Cardini,S. Chen,A. Contu, M. Fontana,P. Griffith,A. Lai,A. Loi,G. Manca,R. Oldeman,B. Saitta,S. Amerio,A. Bertolin,S. Gallorini, D. Lucchesi,A. Lupato,E. Michielin, M. Morandin,L. Sestini,G. Simi,F. Bedeschi,R. Cenci,A. Lusiani,M. J. Morello,T. Pajero,G. Punzi,M. Rama,S. Stracka,D. Tonelli,G. Tuci,J. Walsh,G. Carboni,L. Federici,E. Santovetti,A. Satta,V Bocci,G. Martellotti, G. Penso,D. Pinci,R. Santacesaria,C. Satriano,A. Sciubba,R. Aaij,S. Ali,F. Archilli,L. J. Bel,S. Benson,E. Dall'Occo,J. A. de Vries,L. Dufour,S. Esen,M. Feo Pereira Rivello Carvalho,E. Govorkova,R. Greim,W. Hulsbergen,D. Hynds,E. Jans,P. Koppenburg,I Kostiuk,M. Merk,M. Mulder,A. Pellegrino,C. Sanchez Gras,N. Tuning,M. van Beuzekom,J. van Tilburg,M. van Veghel,C. Vazquez Sierra,M. Veronesi,A. Vitkovskiy,T. Ketel, G. Raven,V Syropoulos,J. Bhom,J. Brodzicka,A. Dziurda,W. Kucewicz,M. Kucharczyk,T. Lesiak,B. Malecki,A. Ossowska,M. Pikies,M. Witek,A. Dendek, M. Firlej, T. Fiutowski,M. Idzik,W. Krupa,M. W. Majewski,J. Moron,A. Oblakowska-Mucha,B. Rachwal,K. Swientek,T. Szumlak,M. Tobin,V Batozskaya,K. Klimaszewski,W. Krzemien,D. Melnychuk, A. Ukleja,W. Wislicki,L. Cojocariu,A. Ene,L. Giubega,A. Grecu,F. Maciuc,V Placinta, M. Straticiuc,G. Alkhazov,N. Bondar,A. Chubykin,A. Dzyuba,K. Ivshin,S. Kotriakhova,O. Maev,D. Maisuzenko,N. Sagidova,Y. Shcheglov,M. Stepanova,A. Vorobyev,I Belyaev,A. Danilina,V Egorychev,D. Golubkov,T. Kvaratskheliya,D. Pereima,D. Savrina,A. Semennikov,A. Berezhnoy,I. Gorelov,A. Leflat,N. Nikitin,V. Volkov,S. Filippov,E. Gushchin,L. Kravchuk, K. Arzymatov,A. Baranov,M. Borisyak,V Chekalina,D. Derkach,M. Hushchyn,N. Kazeev,E. Khairullin,F. Ratnikov,A. Rogozhnikov,A. Ustyuzhanin,A. Bondar,S. Eidelman,P. Krokovny,V Kudryavtsev,T. Maltsev,L. Shekhtman,V. Vorobyev,A. Artamonov,K. Belous,R. Dzhelyadin,Yu Guz,V Obraztsov,A. Popov,S. Poslavskii, V Romanovskiy,M. Shapkin,O. Stenyakin,O. Yushchenko,A. Alfonso Albero,M. Calvo Gomez,A. Camboni,S. Coquereau,L. Garrido,D. Gascon,R. Graciani Diaz,E. Grauges,X. Vilasis-Cardona,B. Adeva,A. A. Alves Jr,O. Boente Garcia,M. Borsato,V Chobanova,X. Cid Vidal,A. Dosil Suarez,A. Fernandez Prieto, A. Gallas Torreira,B. Garcia Plana,M. Lucio Martinez,D. Martinez Santos,M. Plo Casasus,J. Prisciandaro,M. Ramos Pernas,A. Romero Vidal,J. J. Saborido Silva,B. Sanmartin Sedes,C. Santamarina Rios,P. Vazquez Regueiro,M. Vieites Diaz,F. Alessio,M. P. Blago,M. Brodski,J. Buytaert,W. Byczynski,D. H. Campora Perez,M. Cattaneo,Ph Charpentier,S-G Chitic,M. Chrzaszcz,G. Ciezarek,M. Clemencic, J. Closier,V Coco,P. Collins,T. Colombo,G. Coombs,G. Corti,B. Couturier,C. D'Ambrosio,O. De Aguiar Francisco,K. De Bruyn,A. Di Canto,H. Dijkstra,F. Dordei, M. Dorigo,P. Durante,C. Farber,P. Fernandez Declara,M. Ferro-Luzzi,R. Forty,M. Frank,C. Frei,W. Funk,C. Gaspar,L. A. Granado Cardoso,L. Gruber,T. Gys,C. Haen,C. Hasse,M. Hatch,R. Jacobsson,D. Johnson,C. Joram,B. Jost,M. Karacson,D. Lacarrere,F. Lemaitre,R. Lindner, O. Lupton,M. Martinelli,R. Matev,Z. Mathe,D. Mueller, N. Neufeld,N. S. Nolte,A. Pearce,M. Pepe Altarelli,S. Perazzini,J. Pinzino,F. Pisani,S. Ponce,M. Ravonel Salzgeber,M. Roehrken,S. Roiser,T. Ruf,H. Schindler,B. Schmidt,A. Schopper,R. Schwemmer,P. Seyfert, F. Stagni, S. Stahl,F. Teubert,E. Thomas, S. Tolk,A. Valassi,S. Valat,E. van Herwijnen,R. Vazquez Gomez,J. V. Viana Barbosa,B. Voneki,K. Wyllie,G. Andreassi,V Battista,A. Bay,V Bellee,F. Blanc,M. De Cian,L. Ferreira Lopes,C. Fitzpatrick,S. Giani,O. G. Girard,G. Haefeli,P. H. Hopchev,C. Khurewathanakul,A. K. Kuonen,V Macko,M. Marinangeli,P. Marino,B. Maurin, T. Nakada, T. Nanut,T. D. Nguyen,C. Nguyen-Mau,P. R. Pais,L. Pescatore,G. Pietrzyk,F. Redi,A. B. Rodrigues,O. Schneider,M. Schubiger,P. Stefko,M. E. Stramaglia,M. T. Tran,M. Atzeni,R. Bernet,C. Betancourt,Ia Bershyiko,A. Buonaura,J. Garcia Pardinas,E. Graverini,D. Lancierini,F. Lionetto,A. Mauri,K. Mueller,P. Owen,A. Puig Navarro,N. Serra,R. Silva Coutinho,O. Steinkamp,B. Storaci,U. Straumann,A. Vollhardt,Z. Wang,A. Weiden,A. Dovbnya,S. Kandybei,S. Koliiev,V Pugatch,S. Bifani,R. Calladine,G. Chatzikonstantinidis,N. Farley,P. Ilten, C. Lazzeroni,A. Mazurov,J. Plews,D. Popov,A. Sergi,N. K. Watson,T. Williams,K. A. Zarebski,M. Adinolfi,S. Bhasin,E. Buchanan,M. G. Chapman,J. Dalseno,S. T. Harnew,J. M. Kariuki,S. Maddrell-Mander,P. Naik,K. Petridis,G. J. Pomery,E. Price,C. Prouve, J. H. Rademacker,S. Richards,J. J. Velthuis,M. O. Bettler,H. Cliff,B. Delaney, J. Garra Tico,V Gibson,S. C. Haines,C. R. Jones,F. Keizer,M. Kenzie,G. H. Lovell,J. G. Smeaton,A. Trisovic,A. Tully,M. Vitti,D. R. Ward,I Williams,S. A. Wotton,J. J. Back,T. Blake,A. Brossa Gonzalo,C. M. Costa Sobral,A. Crocombe,T. Gershon,M. Kreps,T. Latham,D. Loh,A. Mathad,E. Millard,A. Poluektov,J. Wicht,S. Easo,R. Nandakumar,A. Papanestis,S. Ricciardi,F. F. Wilson,L. Carson,P. E. L. Clarke,G. A. Cowan,R. Currie,S. Eisenhardt,E. Gabriel, S. Gambetta,K. Gizdov,F. Muheim,M. Needham,M. Pappagallo,S. Petrucci,S. Playfer,I. T. Smith, J. B. Zonneveld, M. Alexander,J. Beddow,D. Bobulska,C. T. Dean,L. Douglas,L. Eklund,S. Karodia,I Longstaff,M. Schiller,F. J. P. Soler,P. Spradlin,M. Traill, T. J. Bowcock,G. Casse,F. Dettori,K. Dreimanis,S. Farry,V. Franco Lima,T. Harrison,K. Hennessy,D. Hutchcroft,P. J. Marshall,J. Mead,K. Rinnert,T. Shears,H. M. Wark,L. E. Yeomans,P. Alvarez Cartelle,S. Baker,U. Egede,A. Golutvin,M. Hecker,T. Humair,F. Kress,M. McCann,M. Patel,M. Smith,S. Stefkova,M. J. Tilley,D. Websdale,R. B. Appleby,R. J. Barlow,W. Barter,S. Borghi,C. Burr,L. Capriotti,S. De Capua,D. Dutta,E. Gersabeck,M. Gersabeck,L. Grillo,R. Hidalgo Charman,M. Hilton,G. Lafferty, K. Maguire,A. McNab,D. Murray,C. Parkes,G. Sarpis,M. R. J. Williams,M. Bjorn,B. R. Gruberg Cazon,T. Hadavizadeh,T. H. Hancock,N. Harnew,D. Hill,J. Jalocha,M. John,N. Jurik, S. Malde, C. H. Murphy,A. Nandi,M. Pili,H. Pullen,A. Rollings, G. Veneziano,M. Vesterinen,G. Wilkinson,T. Boettcher,D. C. Craik,C. Weisser,M. Williams, S. Akar,T. Evans,Z. C. Huard,B. Meadows,E. Rodrigues,H. F. Schreiner,M. D. Sokoloff,J. E. Andrews,B. Hamilton,A. Jawahery,W. Parker,J. Wimberley,M. Artuso,B. Batsukh,A. Beiter,S. Blusk,S. Ely,M. Kelsey,K. E. Kim,Z. Li,X. Liang,R. Mountain,I Polyakov,M. S. Rudolph,T. Skwarnicki,S. Stone,A. Venkateswaran, J. Wang,M. Wilkinson,Y. Yao,X. Yuan,C. Gobel,V Salustino Guimaraes,N. Beliy,J. He,W. Huang,P-R Li,X. Lyu,W. Qian,J. Qin,M. Saur,M. Szymanski,D. Vieira,Q. Xu,Y. Zheng,H. Cai,L. Sun,B. Dey,W. Hu, Y. Wang,D. Xiao,Y. Xie,M. Xu,H. Yin,J. Yu, D. Zhang,D. A. Milanes,I. A. Monroy,J. A. Rodriguez Lopez,O. Gruenberg,M. Hess,N. Meinert,H. Viemann,R. Waldi,C. J. G. Onderwater, T. Likhomanenko,A. Malinin,O. Morgunova,A. Nogay,A. Petrov,V Shevchenko,F. Baryshnikov,S. Didenko,N. Polukhina,E. Shmanin,G. Panshin,S. Strokov,A. Vagner,L. M. Garcia Martin,L. Henry,F. Martinez Vidal,A. Oyanguren,C. Remon Alepuz,J. Ruiz Vidal,C. Sanchez Mayordomo,C. A. Aidala,C. L. Da Silva, J. M. Durham

Nuclear Physics A（2019）SCI 4区

Polish Acad Sci

被引用23|浏览3

摘要

Bose-Einstein correlations for same-sign charged pions and kinematic b-bbar correlations in proton-proton collisions at a center-of-mass energy of 7 and 8 TeV are studied by the LHCb experiment. The dependence of Bose-Einstein correlation parameters on the charged-particle multiplicity is investigated. The correlation radius is observed to increase with multiplicity, while the chaoticity parameter decreases. The b-bbar correlations are studied using inclusive b quark decays to jpsi and are found to be in good agreement with theoretical predictions.

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关键词

Bose-Einstein correlations,heavy-flavor production,forward physics,QCD