Bose-Einstein correlations and b(b)over-bar correlations in pp collisions with LHCb
Bartosz Malecki,I Bediaga,M Cruz Torres,JM De Miranda,AC 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,JH Lopes,I Nasteva, JM Otalora Goicochea, E Polycarpo, C Potterat, 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,WC Zhang,X Zhu, M Chefdeville, D Decamp,Ph Ghez,JF 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, Tisserand, M Vernet,J Arnau Romeu, E Aslanides, J Cogan, D Gerstel,R Le Gac,O Leroy, G Mancinelli,M Martin, C Meaux,AB Morris, J Serrano, A Tayduganov,A Tsaregorodtsev, Y Amhis, Balagura, S Barsuk, F Bossu, D Chamont, Jab Coelho, F Desse, F Fleuret, J Lefrancois, Lisovskyi,F Machefert,C Marin Benito,E Maurice, Renaudin,P Robbe,MH 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, VV Gligorov, A Mogini, F Polci, R Quagliani, F Reiss,A Robert,ES Sepulveda,DY Tou, S Beranek, M Boubdir, S Escher, T Kim, C Langenbruch,M Materok, S Nieswand, S Schael,E Smith,TA Verlage,M Whitehead, 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,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,JP Grabowski, X Han, S Hansmann-Menzemer,M Kecke, B Khanji, M Kolpin, R Kopecna, B Leverington,J Marks, DS Mitzel,S Neubert, M Neuner, A Piucci, N Skidmore, M Stahl, S Stemmle, U Uwer, A Zhelezov,R McNulty,NV Veronika,M De Serio,RA Fini, A Palano, A Pastore, S Simone, F Betti,A Carbone, A Falabella,F Ferrari,D Galli, U Marconi, DP O'Hanlon,C Patrignani,M Soares, Vagnoni, G Valenti, S Zucchelli, M Andreotti,W Baldini, C Bozzi,R Calabrese, M Corvo, M Fiorini,E Luppi, L Minzoni, LL Pappalardo, BG 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, MJ Morello, T Pajero, G Punzi,M Rama, S Stracka,D Tonelli,G Tuci, J Walsh, G Carboni, L Federici,E Santovetti, A Satta, Bocci, G Martellotti, G Penso, D Pinci,R Santacesaria,C Satriano, A Sciubba, R Aaij,S Ali, F Archilli, LJ Bel,S Benson,E Dall'Occo,JA 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, 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,MW Majewski, J Moron, A Oblakowska-Mucha, B Rachwal,K Swientek,T Szumlak,M Tobin, Batozskaya,K Klimaszewski,W Krzemien,D Melnychuk, A Ukleja,W Wislicki,L Cojocariu, A Ene, L Giubega,A Grecu, F Maciuc, 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, Egorychev, D Golubkov, T Kvaratskheliya,D Pereima, D Savrina, A Semennikov, A Berezhnoy, Gorelov, A Leflat, N Nikitin, Volkov, S Filippov, E Gushchin, L Kravchuk,K Arzymatov,A Baranov,M Borisyak, Chekalina,D Derkach,M Hushchyn,N Kazeev, E Khairullin, F Ratnikov, A Rogozhnikov,A Ustyuzhanin, A Bondar,S Eidelman,P Krokovny, Kudryavtsev, T Maltsev, L Shekhtman, Vorobyev, A Artamonov,K Belous,R Dzhelyadin,Yu Guz, Obraztsov, A Popov, S Poslavskii, 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, AA Alves Jr,O Boente Garcia,M Borsato, 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, JJ Saborido Silva,B Sanmartin Sedes,C Santamarina Rios,P Vazquez Regueiro,M Vieites Diaz, F Alessio,MP Blago, M Brodski,J Buytaert, W Byczynski,DH Campora Perez, M Cattaneo,Ph Charpentier,S-G Chitic, M Chrzaszcz, G Ciezarek, M Clemencic, J Closier,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, LA 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,NS 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, JV Viana Barbosa, B Voneki, K Wyllie, G Andreassi, Battista, A Bay, Bellee,F Blanc,M De Cian,L Ferreira Lopes, C Fitzpatrick,S Giani, OG Girard, G Haefeli,PH Hopchev, C Khurewathanakul, AK Kuonen, Macko, M Marinangeli, P Marino, B Maurin,T Nakada,T Nanut,TD Nguyen, C Nguyen-Mau, PR Pais, L Pescatore,G Pietrzyk,F Redi,AB Rodrigues,O Schneider,M Schubiger, P Stefko, ME Stramaglia,MT 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, Pugatch,S Bifani, R Calladine,G Chatzikonstantinidis, N Farley, P Ilten,C Lazzeroni, A Mazurov,J Plews, D Popov,A Sergi,NK Watson, T Williams, KA Zarebski,M Adinolfi, S Bhasin, E Buchanan,MG Chapman, J Dalseno, ST Harnew, JM Kariuki, S Maddrell-Mander,P Naik, K Petridis, GJ Pomery,E Price, C Prouve, JH Rademacker,S Richards,JJ Velthuis,MO Bettler, HV Cliff, B Delaney,J Garra Tico,Gibson,SC Haines,CR Jones, F Keizer,M Kenzie,GH Lovell,JG Smeaton, A Trisovic, A Tully, M Vitti, Ward, I Williams, SA Wotton,JJ Back, T Blake,A Brossa Gonzalo, CM 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, FF Wilson, L Carson, Pel Clarke,GA Cowan, R Currie,S Eisenhardt, E Gabriel, S Gambetta, K Gizdov, F Muheim,M Needham, M Pappagallo, S Petrucci,S Playfer, IT Smith,JB Zonneveld, M Alexander, J Beddow, D Bobulska,CT Dean, L Douglas, L Eklund, S Karodia, I Longstaff,M Schiller,Fjp Soler,P Spradlin, M Traill, Tjv Bowcock, G Casse, F Dettori, K Dreimanis, S Farry,V Franco Lima,T Harrison, K Hennessy, D Hutchcroft,PJ Marshall,JV Mead, K Rinnert, T Shears, HM Wark,LE Yeomans, P Alvarez Cartelle, S Baker,U Egede, A Golutvin, M Hecker, T Humair,F Kress,M McCann,M Patel, M Smith, S Stefkova, MJ Tilley, D Websdale, RB Appleby, RJ 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,Mrj Williams, M Bjorn,BR Gruberg Cazon, T Hadavizadeh,TH Hancock, N Harnew, D Hill, J Jalocha,M John, N Jurik, S Malde,CH Murphy, A Nandi, M Pili, H Pullen, A Rollings, G Veneziano, M Vesterinen,G Wilkinson, T Boettcher, DC Craik, C Weisser,M Williams,S Akar, T Evans, ZC Huard, B Meadows,E Rodrigues, HF Schreiner, Sokoloff,JE Andrews, B Hamilton, A Jawahery, W Parker, J Wimberley, M Artuso, B Batsukh, A Beiter,S Blusk,S Ely, M Kelsey,Ke Kim, Z Li,X Liang, R Mountain, I Polyakov, Rudolph, T Skwarnicki, S Stone, A Venkateswaran, J Wang,M Wilkinson, Y Yao,X Yuan,C Gobel, 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, DA Milanes, IA Monroy, JA Rodriguez Lopez, O Gruenberg,M Hess, N Meinert, H Viemann, R Waldi,Cjg Onderwater, T Likhomanenko, A Malinin, O Morgunova, A Nogay, A Petrov,F Baryshnikov,S Didenko, N Polukhina,E Shmanin,G Panshin, S Strokov, A Vagner, LM Garcia Martin, L Henry,F Martinez Vidal,A Oyanguren,C Remon Alepuz, J Ruiz Vidal,C Sanchez Mayordomo,CA Aidala, CL Da Silva, JM Durham
Nuclear Physics A（2019）
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摘要
Bose-Einstein correlations for same-sign charged pions and kinematic bb‾ 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 bb‾ correlations are studied using inclusive b decays to J/ψ 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
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