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Aaij R, Abellán Beteta C, Adeva B, et al. Measurement of f_{s}/f_{u} Variation with Proton-Proton Collision Energy and B-Meson Kinematics. Phys Rev Lett. 2020;124(12):122002doi: 10.1103/PhysRevLett.124.122002.
Aaij, R., Abellán Beteta, C., Adeva, B., Adinolfi, M., Aidala, C. A., Ajaltouni, Z., Akar, S., Albicocco, P., Albrecht, J., Alessio, F., Alexander, M., Alfonso Albero, A., Alkhazov, G., Alvarez Cartelle, P., Alves, A. A., Amato, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Archilli, F., Arnau Romeu, J., Artamonov, A., Artuso, M., Arzymatov, K., Aslanides, E., Atzeni, M., Audurier, B., Bachmann, S., Back, J. J., Baker, S., Balagura, V., Baldini, W., Baranov, A., Barlow, R. J., Barsuk, S., Barter, W., Bartolini, M., Baryshnikov, F., Batozskaya, V., Batsukh, B., Battig, A., Battista, V., Bay, A., Bedeschi, F., Bediaga, I., Beiter, A., Bel, L. J., Belavin, V., Belin, S., Beliy, N., Bellee, V., Belous, K., Belyaev, I., Bencivenni, G., Ben-Haim, E., Benson, S., Beranek, S., Berezhnoy, A., Bernet, R., Berninghoff, D., Bernstein, H. C., Bertholet, E., Bertolin, A., Betancourt, C., Betti, F., Bettler, M. O., Bezshyiko, I., Bhasin, S., Bhom, J., Bieker, M. S., Bifani, S., Billoir, P., Birnkraut, A., Bizzeti, A., Bjørn, M., Blago, M. P., Blake, T., Blanc, F., Blusk, S., Bobulska, D., Bocci, V., Boente Garcia, O., Boettcher, T., Boldyrev, A., Bondar, A., Bondar, N., Borghi, S., Borisyak, M., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bozzi, C., Braun, S., Brea Rodriguez, A., Brodski, M., Brodzicka, J., Brossa Gonzalo, A., Brundu, D., Buchanan, E., Buonaura, A., Burr, C., Bursche, A., Butter, J. S., Buytaert, J., Byczynski, W., Cadeddu, S., Cai, H., Calabrese, R., Cali, S., Calladine, R., Calvi, M., Calvo Gomez, M., Camboni, A., Campana, P., Campora Perez, D. H., Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carvalho Akiba, K., Casais Vidal, A., Casse, G., Cattaneo, M., Cavallero, G., Cenci, R., Chapman, M. G., Charles, M., Charpentier, P., Chatzikonstantinidis, G., Chefdeville, M., Chekalina, V., Chen, C., Chen, S., Chitic, S. G., Chobanova, V., Chrzaszcz, M., Chubykin, A., Ciambrone, P., Cid Vidal, X., Ciezarek, G., Cindolo, F., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Cobbledick, J. L., Coco, V., Coelho, J. A. B., Cogan, J., Cogneras, E., Cojocariu, L., Collins, P., Colombo, T., Comerma-Montells, A., Contu, A., Cooke, N., Coombs, G., Coquereau, S., Corti, G., Costa Sobral, C. M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Cruz Torres, M., Currie, R., Da Silva, C. L., Dall'Occo, E., Dalseno, J., D'Ambrosio, C., Danilina, A., d'Argent, P., Davis, A., De Aguiar Francisco, O., De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Serio, M., De Simone, P., de Vries, J. A., Dean, C. T., Dean, W., Decamp, D., Del Buono, L., Delaney, B., Dembinski, H. P., Demmer, M., Dendek, A., Denysenko, V., Derkach, D., Deschamps, O., Desse, F., Dettori, F., Dey, B., Di Canto, A., Di Nezza, P., Didenko, S., Dijkstra, H., Dordei, F., Dorigo, M., Dos Reis, A. C., Dosil Suárez, A., Douglas, L., Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Durante, P., Durham, J. M., Dutta, D., Dzhelyadin, R., Dziewiecki, M., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Ek-In, S., Eklund, L., Ely, S., Ene, A., Escher, S., Esen, S., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fazzini, D., Féo, M., Fernandez Declara, P., Fernandez Prieto, A., Ferrari, F., Ferreira Lopes, L., Ferreira Rodrigues, F., Ferreres Sole, S., Ferro-Luzzi, M., Filippov, S., Fini, R. A., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fontana, M., Fontanelli, F., Forty, R., Franco Lima, V., Franco Sevilla, M., Frank, M., Frei, C., Fu, J., Funk, W., Gabriel, E., Gallas Torreira, A., Galli, D., Gallorini, S., Gambetta, S., Gan, Y., Gandelman, M., Gandini, P., Gao, Y., Garcia Martin, L. 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C., Zhang, Y., Zhelezov, A., Zheng, Y., Zhou, X., Zhou, Y., Zhu, X., Zhukov, V., Zonneveld, J. B., Zucchelli, S. (2020). Measurement of f_{s}/f_{u} Variation with Proton-Proton Collision Energy and B-Meson Kinematics. Physical review letters, 124(12), 122002. https://doi.org/10.1103/PhysRevLett.124.122002
Aaij, R, et al. "Measurement of f_{s}/f_{u} Variation with Proton-Proton Collision Energy and B-Meson Kinematics." Physical review letters vol. 124,12 (2020): 122002. doi: https://doi.org/10.1103/PhysRevLett.124.122002
Aaij R, Abellán Beteta C, Adeva B, Adinolfi M, Aidala CA, Ajaltouni Z, Akar S, Albicocco P, Albrecht J, Alessio F, Alexander M, Alfonso Albero A, Alkhazov G, Alvarez Cartelle P, Alves AA, Amato S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews JE, Archilli F, Arnau Romeu J, Artamonov A, Artuso M, Arzymatov K, Aslanides E, Atzeni M, Audurier B, Bachmann S, Back JJ, Baker S, Balagura V, Baldini W, Baranov A, Barlow RJ, Barsuk S, Barter W, Bartolini M, Baryshnikov F, Batozskaya V, Batsukh B, Battig A, Battista V, Bay A, Bedeschi F, Bediaga I, Beiter A, Bel LJ, Belavin V, Belin S, Beliy N, Bellee V, Belous K, Belyaev I, Bencivenni G, Ben-Haim E, Benson S, Beranek S, Berezhnoy A, Bernet R, Berninghoff D, Bernstein HC, Bertholet E, Bertolin A, Betancourt C, Betti F, Bettler MO, Bezshyiko I, Bhasin S, Bhom J, Bieker MS, Bifani S, Billoir P, Birnkraut A, Bizzeti A, Bjørn M, Blago MP, Blake T, Blanc F, Blusk S, Bobulska D, Bocci V, Boente Garcia O, Boettcher T, Boldyrev A, Bondar A, Bondar N, Borghi S, Borisyak M, Borsato M, Boubdir M, Bowcock TJV, Bozzi C, Braun S, Brea Rodriguez A, Brodski M, Brodzicka J, Brossa Gonzalo A, Brundu D, Buchanan E, Buonaura A, Burr C, Bursche A, Butter JS, Buytaert J, Byczynski W, Cadeddu S, Cai H, Calabrese R, Cali S, Calladine R, Calvi M, Calvo Gomez M, Camboni A, Campana P, Campora Perez DH, Capriotti L, Carbone A, Carboni G, Cardinale R, Cardini A, Carniti P, Carvalho Akiba K, Casais Vidal A, Casse G, Cattaneo M, Cavallero G, Cenci R, Chapman MG, Charles M, Charpentier P, Chatzikonstantinidis G, Chefdeville M, Chekalina V, Chen C, Chen S, Chitic SG, Chobanova V, Chrzaszcz M, Chubykin A, Ciambrone P, Cid Vidal X, Ciezarek G, Cindolo F, Clarke PEL, Clemencic M, Cliff HV, Closier J, Cobbledick JL, Coco V, Coelho JAB, Cogan J, Cogneras E, Cojocariu L, Collins P, Colombo T, Comerma-Montells A, Contu A, Cooke N, Coombs G, Coquereau S, Corti G, Costa Sobral CM, Couturier B, Cowan GA, Craik DC, Crocombe A, Cruz Torres M, Currie R, Da Silva CL, Dall'Occo E, Dalseno J, D'Ambrosio C, Danilina A, d'Argent P, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda JM, De Paula L, De Serio M, De Simone P, de Vries JA, Dean CT, Dean W, Decamp D, Del Buono L, Delaney B, Dembinski HP, Demmer M, Dendek A, Denysenko V, Derkach D, Deschamps O, Desse F, Dettori F, Dey B, Di Canto A, Di Nezza P, Didenko S, Dijkstra H, Dordei F, Dorigo M, Dos Reis AC, Dosil Suárez A, Douglas L, Dovbnya A, Dreimanis K, Dufour L, Dujany G, Durante P, Durham JM, Dutta D, Dzhelyadin R, Dziewiecki M, Dziurda A, Dzyuba A, Easo S, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Ek-In S, Eklund L, Ely S, Ene A, Escher S, Esen S, Evans T, Falabella A, Färber C, Farley N, Farry S, Fazzini D, Féo M, Fernandez Declara P, Fernandez Prieto A, Ferrari F, Ferreira Lopes L, Ferreira Rodrigues F, Ferreres Sole S, Ferro-Luzzi M, Filippov S, Fini RA, Fiorini M, Firlej M, Fitzpatrick C, Fiutowski T, Fleuret F, Fontana M, Fontanelli F, Forty R, Franco Lima V, Franco Sevilla M, Frank M, Frei C, Fu J, Funk W, Gabriel E, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gan Y, Gandelman M, Gandini P, Gao Y, Garcia Martin LM, García Pardiñas J, Garcia Plana B, Garra Tico J, Garrido L, Gascon D, Gaspar C, Gazzoni G, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Gerstel D, Ghez P, Gibson V, Gioventù A, Girard OG, Gironella Gironell P, Giubega L, Gizdov K, Gligorov VV, Göbel C, Golubkov D, Golutvin A, Gomes A, Gorelov IV, Gotti C, Govorkova E, Grabowski JP, Graciani Diaz R, Granado Cardoso LA, Graugés E, Graverini E, Graziani G, Grecu A, Greim R, Griffith P, Grillo L, Gruber L, Gruberg Cazon BR, Gu C, Gushchin E, Guth A, Guz Y, Gys T, Hadavizadeh T, Hadjivasiliou C, Haefeli G, Haen C, Haines SC, Hamilton PM, Han Q, Han X, Hancock TH, Hansmann-Menzemer S, Harnew N, Harrison T, Hasse C, Hatch M, He J, Hecker M, Heijhoff K, Heinicke K, Heister A, Hennessy K, Henry L, Heß M, Heuel J, Hicheur A, Hidalgo Charman R, Hill D, Hilton M, Hopchev PH, Hu J, Hu W, Huang W, Huard ZC, Hulsbergen W, Humair T, Hushchyn M, Hutchcroft D, Hynds D, Ibis P, Idzik M, Ilten P, Inglessi A, Inyakin A, Ivshin K, Jacobsson R, Jakobsen S, Jalocha J, Jans E, Jashal BK, Jawahery A, Jiang F, John M, Johnson D, Jones CR, Joram C, Jost B, Jurik N, Kandybei S, Karacson M, Kariuki JM, Karodia S, Kazeev N, Kecke M, Keizer F, Kelsey M, Kenzie M, Ketel T, Khanji B, Kharisova A, Khurewathanakul C, Kim KE, Kirn T, Kirsebom VS, Klaver S, Klimaszewski K, Koliiev S, Kolpin M, Kondybayeva A, Konoplyannikov A, Kopciewicz P, Kopecna R, Koppenburg P, Kostiuk I, Kot O, Kotriakhova S, Kozeiha M, Kravchuk L, Kreps M, Kress F, Kretzschmar S, Krokovny P, Krupa W, Krzemien W, Kucewicz W, Kucharczyk M, Kudryavtsev V, Kunde GJ, Kuonen AK, Kvaratskheliya T, Lacarrere D, Lafferty G, Lai A, Lancierini D, Lane JJ, Lanfranchi G, Langenbruch C, Latham T, Lazzeroni C, Le Gac R, Lefèvre R, Leflat A, Lemaitre F, Leroy O, Lesiak T, Leverington B, Li H, Li PR, Li X, Li Y, Li Z, Liang X, Likhomanenko T, Lindner R, Lionetto F, Lisovskyi V, Liu G, Liu X, Loh D, Loi A, Lomba Castro J, Longstaff I, Lopes JH, Loustau G, Lovell GH, Lucchesi D, Lucio Martinez M, Luo Y, Lupato A, Luppi E, Lupton O, Lusiani A, Lyu X, Machefert F, Maciuc F, Macko V, Mackowiak P, Maddrell-Mander S, Maev O, Maevskiy A, Maguire K, Maisuzenko D, Majewski MW, Malde S, Malecki B, Malinin A, Maltsev T, Malygina H, Manca G, Mancinelli G, Marangotto D, Maratas J, Marchand JF, Marconi U, Marin Benito C, Marinangeli M, Marino P, Marks J, Marshall PJ, Martellotti G, Martinazzoli L, Martinelli M, Martinez Santos D, Martinez Vidal F, Massafferri A, Materok M, Matev R, Mathad A, Mathe Z, Matiunin V, Matteuzzi C, Mattioli KR, Mauri A, Maurice E, Maurin B, McCann M, Mcconnell L, McNab A, McNulty R, Mead JV, Meadows B, Meaux C, Meinert N, Melnychuk D, Merk M, Merli A, Michielin E, Milanes DA, Millard E, Minard MN, Mineev O, Minzoni L, Mitzel DS, Mödden A, Mogini A, Moise RD, Mombächer T, Monroy IA, Monteil S, Morandin M, Morello G, Morello MJ, Moron J, Morris AB, Mountain R, Mu H, Muheim F, Mukherjee M, Mulder M, Müller D, Müller J, Müller K, Müller V, Murphy CH, Murray D, Naik P, Nakada T, Nandakumar R, Nandi A, Nanut T, Nasteva I, Needham M, Neri N, Neubert S, Neufeld N, Newcombe R, Nguyen TD, Nguyen-Mau C, Nieswand S, Niet R, Nikitin N, Nolte NS, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, O'Hanlon DP, Oldeman R, Onderwater CJG, Osborn JD, Ossowska A, Otalora Goicochea JM, Ovsiannikova T, Owen P, Oyanguren A, Pais PR, Pajero T, Palano A, Palutan M, Panshin G, Papanestis A, Pappagallo M, Pappalardo LL, Parker W, Parkes C, Passaleva G, Pastore A, Patel M, Patrignani C, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, Pereima D, Perret P, Pescatore L, Petridis K, Petrolini A, Petrov A, Petrucci S, Petruzzo M, Pietrzyk B, Pietrzyk G, Pikies M, Pili M, Pinci D, Pinzino J, Pisani F, Piucci A, Placinta V, Playfer S, Plews J, Plo Casasus M, Polci F, Poli Lener M, Poliakova M, Poluektov A, Polukhina N, Polyakov I, Polycarpo E, Pomery GJ, Ponce S, Popov A, Popov D, Poslavskii S, Prasanth K, Price E, Prouve C, Pugatch V, Puig Navarro A, Pullen H, Punzi G, Qian W, Qin J, Quagliani R, Quintana B, Raab NV, Rachwal B, Rademacker JH, Rama M, Ramos Pernas M, Rangel MS, Ratnikov F, Raven G, Ravonel Salzgeber M, Reboud M, Redi F, Reichert S, Reiss F, Remon Alepuz C, Ren Z, Renaudin V, Ricciardi S, Richards S, Rinnert K, Robbe P, Robert A, Rodrigues AB, Rodrigues E, Rodriguez Lopez JA, Roehrken M, Roiser S, Rollings A, Romanovskiy V, Romero Vidal A, Roth JD, Rotondo M, Rudolph MS, Ruf T, Ruiz Vidal J, Saborido Silva JJ, Sagidova N, Saitta B, Salustino Guimaraes V, Sanchez Gras C, Sanchez Mayordomo C, Sanmartin Sedes B, Santacesaria R, Santamarina Rios C, Santimaria M, Santovetti E, Sarpis G, Sarti A, Satriano C, Satta A, Saur M, Savrina D, Schael S, Schellenberg M, Schiller M, Schindler H, Schmelling M, Schmelzer T, Schmidt B, Schneider O, Schopper A, Schreiner HF, Schubiger M, Schulte S, Schune MH, Schwemmer R, Sciascia B, Sciubba A, Semennikov A, Sepulveda ES, Sergi A, Serra N, Serrano J, Sestini L, Seuthe A, Seyfert P, Shapkin M, Shears T, Shekhtman L, Shevchenko V, Shmanin E, Siddi BG, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Skiba I, Skidmore N, Skwarnicki T, Slater MW, Smeaton JG, Smith E, Smith IT, Smith M, Soares M, Soares Lavra L, Sokoloff MD, Soler FJP, Souza De Paula B, Spaan B, Spadaro Norella E, Spradlin P, Stagni F, Stahl M, Stahl S, Stefko P, Stefkova S, Steinkamp O, Stemmle S, Stenyakin O, Stepanova M, Stevens H, Stone S, Stracka S, Stramaglia ME, Straticiuc M, Straumann U, Strokov S, Sun J, Sun L, Sun Y, Swientek K, Szabelski A, Szumlak T, Szymanski M, Tang Z, Tekampe T, Tellarini G, Teubert F, Thomas E, Tilley MJ, Tisserand V, T'Jampens S, Tobin M, Tolk S, Tomassetti L, Tonelli D, Tou DY, Tournefier E, Traill M, Tran MT, Trisovic A, Tsaregorodtsev A, Tuci G, Tully A, Tuning N, Ukleja A, Usachov A, Ustyuzhanin A, Uwer U, Vagner A, Vagnoni V, Valassi A, Valat S, Valenti G, van Beuzekom M, Van Hecke H, van Herwijnen E, Van Hulse CB, van Tilburg J, van Veghel M, Vazquez Gomez R, Vazquez Regueiro P, Vázquez Sierra C, Vecchi S, Velthuis JJ, Veltri M, Venkateswaran A, Vernet M, Veronesi M, Vesterinen M, Viana Barbosa JV, Vieira D, Vieites Diaz M, Viemann H, Vilasis-Cardona X, Vitkovskiy A, Vitti M, Volkov V, Vollhardt A, Vom Bruch D, Voneki B, Vorobyev A, Vorobyev V, Voropaev N, Waldi R, Walsh J, Wang J, Wang J, Wang M, Wang Y, Wang Z, Ward DR, Wark HM, Watson NK, Websdale D, Weiden A, Weisser C, White DJ, Whitehead M, Wilkinson G, Wilkinson M, Williams I, Williams M, Williams MRJ, Williams T, Wilson FF, Winn M, Wislicki W, Witek M, Wormser G, Wotton SA, Wyllie K, Xiang Z, Xiao D, Xie Y, Xing H, Xu A, Xu L, Xu M, Xu Q, Xu Z, Xu Z, Yang Z, Yang Z, Yao Y, Yeomans LE, Yin H, Yu J, Yuan X, Yushchenko O, Zarebski KA, Zavertyaev M, Zeng M, Zhang D, Zhang L, Zhang S, Zhang WC, Zhang Y, Zhelezov A, Zheng Y, Zhou X, Zhou Y, Zhu X, Zhukov V, Zonneveld JB, Zucchelli S. Measurement of f_{s}/f_{u} Variation with Proton-Proton Collision Energy and B-Meson Kinematics. Phys Rev Lett. 2020 Mar 27;124(12):122002. doi: 10.1103/PhysRevLett.124.122002. PMID: 32281875.
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Phys Rev Lett. 2020 Mar 27;124(12):122002. doi: 10.1103/PhysRevLett.124.122002.

Measurement of f_{s}/f_{u} Variation with Proton-Proton Collision Energy and B-Meson Kinematics.

Physical review letters

R Aaij, C Abellán Beteta, B Adeva, M Adinolfi, C A Aidala, Z Ajaltouni, S Akar, P Albicocco, J Albrecht, F Alessio, M Alexander, A Alfonso Albero, G Alkhazov, P Alvarez Cartelle, A A Alves, S Amato, Y Amhis, L An, L Anderlini, G Andreassi, M Andreotti, J E Andrews, F Archilli, J Arnau Romeu, A Artamonov, M Artuso, K Arzymatov, E Aslanides, M Atzeni, B Audurier, S Bachmann, J J Back, S Baker, V Balagura, W Baldini, A Baranov, R J Barlow, S Barsuk, W Barter, M Bartolini, F Baryshnikov, V Batozskaya, B Batsukh, A Battig, V Battista, A Bay, F Bedeschi, I Bediaga, A Beiter, L J Bel, V Belavin, S Belin, N Beliy, V Bellee, K Belous, I Belyaev, G Bencivenni, E Ben-Haim, S Benson, S Beranek, A Berezhnoy, R Bernet, D Berninghoff, H C Bernstein, E Bertholet, A Bertolin, C Betancourt, F Betti, M O Bettler, Ia Bezshyiko, S Bhasin, J Bhom, M S Bieker, S Bifani, P Billoir, A Birnkraut, A Bizzeti, M Bjørn, M P Blago, T Blake, F Blanc, S Blusk, D Bobulska, V Bocci, O Boente Garcia, T Boettcher, A 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Hennessy, L Henry, M Heß, J Heuel, A Hicheur, R Hidalgo Charman, D Hill, M Hilton, P H Hopchev, J Hu, W Hu, W Huang, Z C Huard, W Hulsbergen, T Humair, M Hushchyn, D Hutchcroft, D Hynds, P Ibis, M Idzik, P Ilten, A Inglessi, A Inyakin, K Ivshin, R Jacobsson, S Jakobsen, J Jalocha, E Jans, B K Jashal, A Jawahery, F Jiang, M John, D Johnson, C R Jones, C Joram, B Jost, N Jurik, S Kandybei, M Karacson, J M Kariuki, S Karodia, N Kazeev, M Kecke, F Keizer, M Kelsey, M Kenzie, T Ketel, B Khanji, A Kharisova, C Khurewathanakul, K E Kim, T Kirn, V S Kirsebom, S Klaver, K Klimaszewski, S Koliiev, M Kolpin, A Kondybayeva, A Konoplyannikov, P Kopciewicz, R Kopecna, P Koppenburg, I Kostiuk, O Kot, S Kotriakhova, M Kozeiha, L Kravchuk, M Kreps, F Kress, S Kretzschmar, P Krokovny, W Krupa, W Krzemien, W Kucewicz, M Kucharczyk, V Kudryavtsev, G J Kunde, A K Kuonen, T Kvaratskheliya, D Lacarrere, G Lafferty, A Lai, D Lancierini, J J Lane, G Lanfranchi, C Langenbruch, T Latham, C Lazzeroni, R Le Gac, R Lefèvre, A Leflat, F Lemaitre, O Leroy, T Lesiak, B Leverington, H Li, P-R Li, X Li, Y Li, Z Li, X Liang, T Likhomanenko, R Lindner, F Lionetto, V Lisovskyi, G Liu, X Liu, D Loh, A Loi, J Lomba Castro, I Longstaff, J H Lopes, G Loustau, G H Lovell, D Lucchesi, M Lucio Martinez, Y Luo, A Lupato, E Luppi, O Lupton, A Lusiani, X Lyu, F Machefert, F Maciuc, V Macko, P Mackowiak, S Maddrell-Mander, O Maev, A Maevskiy, K Maguire, D Maisuzenko, M W Majewski, S Malde, B Malecki, A Malinin, T Maltsev, H Malygina, G Manca, G Mancinelli, D Marangotto, J Maratas, J F Marchand, U Marconi, C Marin Benito, M Marinangeli, P Marino, J Marks, P J Marshall, G Martellotti, L Martinazzoli, M Martinelli, D Martinez Santos, F Martinez Vidal, A Massafferri, M Materok, R Matev, A Mathad, Z Mathe, V Matiunin, C Matteuzzi, K R Mattioli, A Mauri, E Maurice, B Maurin, M McCann, L Mcconnell, A McNab, R McNulty, J V Mead, B Meadows, C Meaux, N Meinert, D Melnychuk, M Merk, A Merli, E Michielin, D A Milanes, E Millard, M-N Minard, O Mineev, L Minzoni, D S Mitzel, A Mödden, A Mogini, R D Moise, T Mombächer, I A Monroy, S Monteil, M Morandin, G Morello, M J Morello, J Moron, A B Morris, R Mountain, H Mu, F Muheim, M Mukherjee, M Mulder, D Müller, J Müller, K Müller, V Müller, C H Murphy, D Murray, P Naik, T Nakada, R Nandakumar, A Nandi, T Nanut, I Nasteva, M Needham, N Neri, S Neubert, N Neufeld, R Newcombe, T D Nguyen, C Nguyen-Mau, S Nieswand, R Niet, N Nikitin, N S Nolte, A Oblakowska-Mucha, V Obraztsov, S Ogilvy, D P O'Hanlon, R Oldeman, C J G Onderwater, J D Osborn, A Ossowska, J M Otalora Goicochea, T Ovsiannikova, P Owen, A Oyanguren, P R Pais, T Pajero, A Palano, M Palutan, G Panshin, A Papanestis, M Pappagallo, L L Pappalardo, W Parker, C Parkes, G Passaleva, A Pastore, M Patel, C Patrignani, A Pearce, A Pellegrino, G Penso, M Pepe Altarelli, S Perazzini, D Pereima, P Perret, L Pescatore, K Petridis, A Petrolini, A Petrov, S Petrucci, M Petruzzo, B Pietrzyk, G Pietrzyk, M Pikies, M Pili, D Pinci, J Pinzino, F Pisani, A Piucci, V Placinta, S Playfer, J Plews, M Plo Casasus, F Polci, M Poli Lener, M Poliakova, A Poluektov, N Polukhina, I Polyakov, E Polycarpo, G J Pomery, S Ponce, A Popov, D Popov, S Poslavskii, K Prasanth, E Price, C Prouve, V Pugatch, A Puig Navarro, H Pullen, G Punzi, W Qian, J Qin, R Quagliani, B Quintana, N V Raab, B Rachwal, J H Rademacker, M Rama, M Ramos Pernas, M S Rangel, F Ratnikov, G Raven, M Ravonel Salzgeber, M Reboud, F Redi, S Reichert, F Reiss, C Remon Alepuz, Z Ren, V Renaudin, S Ricciardi, S Richards, K Rinnert, P Robbe, A Robert, A B Rodrigues, E Rodrigues, J A Rodriguez Lopez, M Roehrken, S Roiser, A Rollings, V Romanovskiy, A Romero Vidal, J D Roth, M Rotondo, M S Rudolph, T Ruf, J Ruiz Vidal, J J Saborido Silva, N Sagidova, B Saitta, V Salustino Guimaraes, C Sanchez Gras, C Sanchez Mayordomo, B Sanmartin Sedes, R Santacesaria, C Santamarina Rios, M Santimaria, E Santovetti, G Sarpis, A Sarti, C Satriano, A Satta, M Saur, D Savrina, S Schael, M Schellenberg, M Schiller, H Schindler, M Schmelling, T Schmelzer, B Schmidt, O Schneider, A Schopper, H F Schreiner, M Schubiger, S Schulte, M H Schune, R Schwemmer, B Sciascia, A Sciubba, A Semennikov, E S Sepulveda, A Sergi, N Serra, J Serrano, L Sestini, A Seuthe, P Seyfert, M Shapkin, T Shears, L Shekhtman, V Shevchenko, E Shmanin, B G Siddi, R Silva Coutinho, L Silva de Oliveira, G Simi, S Simone, I Skiba, N Skidmore, T Skwarnicki, M W Slater, J G Smeaton, E Smith, I T Smith, M Smith, M Soares, L Soares Lavra, M D Sokoloff, F J P Soler, B Souza De Paula, B Spaan, E Spadaro Norella, P Spradlin, F Stagni, M Stahl, S Stahl, P Stefko, S Stefkova, O Steinkamp, S Stemmle, O Stenyakin, M Stepanova, H Stevens, S Stone, S Stracka, M E Stramaglia, M Straticiuc, U Straumann, S Strokov, J Sun, L Sun, Y Sun, K Swientek, A Szabelski, T Szumlak, M Szymanski, Z Tang, T Tekampe, G Tellarini, F Teubert, E Thomas, M J Tilley, V Tisserand, S T'Jampens, M Tobin, S Tolk, L Tomassetti, D Tonelli, D Y Tou, E Tournefier, M Traill, M T Tran, A Trisovic, A Tsaregorodtsev, G Tuci, A Tully, N Tuning, A Ukleja, A Usachov, A Ustyuzhanin, U Uwer, A Vagner, V Vagnoni, A Valassi, S Valat, G Valenti, M van Beuzekom, H Van Hecke, E van Herwijnen, C B Van Hulse, J van Tilburg, M van Veghel, R Vazquez Gomez, P Vazquez Regueiro, C Vázquez Sierra, S Vecchi, J J Velthuis, M Veltri, A Venkateswaran, M Vernet, M Veronesi, M Vesterinen, J V Viana Barbosa, D Vieira, M Vieites Diaz, H Viemann, X Vilasis-Cardona, A Vitkovskiy, M Vitti, V Volkov, A Vollhardt, D Vom Bruch, B Voneki, A Vorobyev, V Vorobyev, N Voropaev, R Waldi, J Walsh, J Wang, J Wang, M Wang, Y Wang, Z Wang, D R Ward, H M Wark, N K Watson, D Websdale, A Weiden, C Weisser, D J White, M Whitehead, G Wilkinson, M Wilkinson, I Williams, M Williams, M R J Williams, T Williams, F F Wilson, M Winn, W Wislicki, M Witek, G Wormser, S A Wotton, K Wyllie, Z Xiang, D Xiao, Y Xie, H Xing, A Xu, L Xu, M Xu, Q Xu, Z Xu, Z Xu, Z Yang, Z Yang, Y Yao, L E Yeomans, H Yin, J Yu, X Yuan, O Yushchenko, K A Zarebski, M Zavertyaev, M Zeng, D Zhang, L Zhang, S Zhang, W C Zhang, Y Zhang, A Zhelezov, Y Zheng, X Zhou, Y Zhou, X Zhu, V Zhukov, J B Zonneveld, S Zucchelli,

Affiliations

  1. Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands.
  2. Physik-Institut, Universität Zürich, Zürich, Switzerland.
  3. Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain.
  4. H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom.
  5. University of Michigan, Ann Arbor, Michigan, USA (associated with Syracuse University, Syracuse, New York, USA).
  6. Université Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France.
  7. University of Cincinnati, Cincinnati, Ohio, USA.
  8. INFN Laboratori Nazionali di Frascati, Frascati, Italy.
  9. Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany.
  10. European Organization for Nuclear Research (CERN), Geneva, Switzerland.
  11. School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom.
  12. ICCUB, Universitat de Barcelona, Barcelona, Spain.
  13. Petersburg Nuclear Physics Institute NRC Kurchatov Institute (PNPI NRC KI), Gatchina, Russia.
  14. Imperial College London, London, United Kingdom.
  15. Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
  16. LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, France.
  17. INFN Sezione di Firenze, Firenze, Italy.
  18. Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
  19. INFN Sezione di Ferrara, Ferrara, Italy.
  20. University of Maryland, College Park, Maryland, USA.
  21. Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France.
  22. Institute for High Energy Physics NRC Kurchatov Institute (IHEP NRC KI), Protvino, Russia, Protvino, Russia.
  23. Syracuse University, Syracuse, New York, USA.
  24. Yandex School of Data Analysis, Moscow, Russia.
  25. INFN Sezione di Cagliari, Monserrato, Italy.
  26. Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
  27. Department of Physics, University of Warwick, Coventry, United Kingdom.
  28. Department of Physics and Astronomy, University of Manchester, Manchester, United Kingdom.
  29. INFN Sezione di Genova, Genova, Italy.
  30. National University of Science and Technology "MISIS", Moscow, Russia [associated with Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia, Moscow, Russia].
  31. National Center for Nuclear Research (NCBJ), Warsaw, Poland.
  32. INFN Sezione di Pisa, Pisa, Italy.
  33. Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil.
  34. University of Chinese Academy of Sciences, Beijing, China.
  35. Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia, Moscow, Russia.
  36. LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France.
  37. I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany.
  38. Institute of Nuclear Physics, Moscow State University (SINP MSU), Moscow, Russia.
  39. INFN Sezione di Padova, Padova, Italy.
  40. INFN Sezione di Bologna, Bologna, Italy.
  41. Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom.
  42. Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland.
  43. University of Birmingham, Birmingham, United Kingdom.
  44. Department of Physics, University of Oxford, Oxford, United Kingdom.
  45. INFN Sezione di Roma La Sapienza, Roma, Italy.
  46. Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
  47. National Research University Higher School of Economics, Moscow, Russia (associated with Yandex School of Data Analysis, Moscow, Russia).
  48. Budker Institute of Nuclear Physics (SB RAS), Novosibirsk, Russia.
  49. Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom.
  50. School of Physics and Technology, Wuhan University, Wuhan, China (associated with Center for High Energy Physics, Tsinghua University, Beijing, China).
  51. INFN Sezione di Milano-Bicocca, Milano, Italy.
  52. INFN Sezione di Roma Tor Vergata, Roma, Italy.
  53. Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IN2P3-LAPP, Annecy, France.
  54. Center for High Energy Physics, Tsinghua University, Beijing, China.
  55. School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom.
  56. Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania.
  57. Los Alamos National Laboratory (LANL), Los Alamos, New Mexico, USA.
  58. INFN Sezione di Bari, Bari, Italy.
  59. Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Germany.
  60. AGH-University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland.
  61. Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China.
  62. NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine.
  63. STFC Rutherford Appleton Laboratory, Didcot, United Kingdom.
  64. Institute for Nuclear Research of the Russian Academy of Sciences (INR RAS), Moscow, Russia.
  65. INFN Sezione di Milano, Milano, Italy.
  66. Instituto de Fisica Corpuscular, Centro Mixto Universidad de Valencia-CSIC, Valencia, Spain (associated with ICCUB, Universitat de Barcelona, Barcelona, Spain).
  67. Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil [associated with Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil].
  68. Institut für Physik, Universität Rostock, Rostock, Germany (associated with Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany).
  69. Laboratory of Mathematical and Subatomic Physics, Constantine, Algeria [associated with Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil].
  70. Nikhef National Institute for Subatomic Physics and VU University Amsterdam, Amsterdam, Netherlands.
  71. National Research Tomsk Polytechnic University, Tomsk, Russia [associated with Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia, Moscow, Russia].
  72. Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine.
  73. South China Normal University, Guangzhou, China (associated with Center for High Energy Physics, Tsinghua University, Beijing, China).
  74. Institute Of High Energy Physics (IHEP), Beijing, China.
  75. National Research Centre Kurchatov Institute, Moscow, Russia [associated with Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia, Moscow, Russia].
  76. School of Physics, University College Dublin, Dublin, Ireland.
  77. Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia (associated with LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France).
  78. Van Swinderen Institute, University of Groningen, Groningen, Netherlands (associated with Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands).

PMID: 32281875 DOI: 10.1103/PhysRevLett.124.122002

Abstract

The ratio of the B_{s}^{0} and B^{+} fragmentation fractions f_{s} and f_{u} is studied with B_{s}^{0}→J/ψϕ and B^{+}→J/ψK^{+} decays using data collected by the LHCb experiment in proton-proton collisions at 7, 8, and 13 TeV center-of-mass energies. The analysis is performed in bins of B-meson momentum, longitudinal momentum, transverse momentum, pseudorapidity, and rapidity. The fragmentation-fraction ratio f_{s}/f_{u} is observed to depend on the B-meson transverse momentum with a significance of 6.0σ. This dependency is driven by the 13 TeV sample (8.7σ), while the results for the other collision energies are not significant when considered separately. Furthermore, the results show a 4.8σ evidence for an increase of f_{s}/f_{u} as a function of collision energy.

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