Measurement of CP asymmetry in B s 0  → D s ∓ K± decays

Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; Albrecht, J.; Alessio, F.; Alexander, M.; Alfonso Albero, A.; Ali, S.; Alkhazov, G.; Alvarez Cartelle, P.; Alves, A. A.; Amato, S.; Amerio, S.; Amhis, Y.; An, L.; Anderlini, L.; Andreassi, G.; Andreotti, M.; Andrews, J. E.; Appleby, R. B.; Archilli, F.; d’Argent, P.; Arnau Romeu, J.; Artamonov, A.; Artuso, M.; Aslanides, E.; Atzeni, M.; Auriemma, G.; Baalouch, M.; Babuschkin, I.; Bachmann, S.; Back, J. J.; Badalov, A.; Baesso, C.; Baker, S.; Balagura, V.; Baldini, W.; Baranov, A.; Barlow, R. J.; Barschel, C.; Barsuk, S.; Barter, W.; Baryshnikov, F.; Batozskaya, V.; Battista, V.; Bay, A.; Beaucourt, L.; Beddow, J.; Bedeschi, F.; Bediaga, I.; Beiter, A.; Bel, L. J.; Beliy, N.; Bellee, V.; Belloli, N.; Belous, K.; Belyaev, I.; Ben-Haim, E.; Bencivenni, G.; Benson, S.; Beranek, S.; Berezhnoy, A.; Bernet, R.; Berninghoff, D.; Bertholet, E.; Bertolin, A.; Betancourt, C.; Betti, F.; Bettler, M. O.; van Beuzekom, M.; Bezshyiko, Ia.; Bifani, S.; Billoir, P.; Birnkraut, A.; Bizzeti, A.; Bjørn, M.; Blake, T.; Blanc, F.; Blusk, S.; Bocci, V.; Boettcher, T.; Bondar, A.; Bondar, N.; Bordyuzhin, I.; Borghi, S.; Borisyak, M.; Borsato, M.; Bossu, F.; Boubdir, M.; Bowcock, T. J. V.; Bowen, E.; Bozzi, C.; Braun, S.; Brodzicka, J.; Brundu, D.; Buchanan, E.; Burr, C.; Bursche, A.; Buytaert, J.; Byczynski, W.; Cadeddu, S.; Cai, H.; Calabrese, R.; 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.; Carson, L.; Carvalho Akiba, K.; Casse, G.; Cassina, L.; Cattaneo, M.; Cavallero, G.; Cenci, R.; Chamont, D.; Chapman, M. G.; Charles, M.; Charpentier, Ph.; Chatzikonstantinidis, G.; Chefdeville, M.; Chen, S.; Cheung, S. F.; Chitic, S.-G.; Chobanova, V.; Chrzaszcz, M.; Chubykin, A.; Ciambrone, P.; Cid Vidal, X.; Ciezarek, G.; Clarke, P. E. L.; Clemencic, M.; Cliff, H. V.; Closier, J.; Coco, V.; Cogan, J.; Cogneras, E.; Cogoni, V.; Cojocariu, L.; Collins, P.; Colombo, T.; Comerma-Montells, A.; Contu, A.; Coombs, G.; Coquereau, S.; Corti, G.; Corvo, M.; Costa Sobral, C. M.; Couturier, B.; Cowan, G. A.; Craik, D. C.; Crocombe, A.; Cruz Torres, M.; Currie, R.; D’Ambrosio, C.; Da Cunha Marinho, F.; Da Silva, C. L.; Dall’Occo, E.; Dalseno, J.; 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.; Dean, C. T.; Decamp, D.; Del Buono, L.; Dembinski, H.-P.; Demmer, M.; Dendek, A.; Derkach, D.; Deschamps, O.; Dettori, F.; Dey, B.; Di Canto, A.; Di Nezza, P.; Dijkstra, H.; Dordei, F.; Dorigo, M.; 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.; Eklund, L.; Ely, S.; Esen, S.; Evans, H. M.; Evans, T.; Falabella, A.; Farley, N.; Farry, S.; Fazzini, D.; Federici, L.; Ferguson, D.; Fernandez, G.; Fernandez Declara, P.; Fernandez Prieto, A.; Ferrari, F.; Ferreira Lopes, L.; Ferreira Rodrigues, F.; 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.; Frank, M.; Frei, C.; Fu, J.; Funk, W.; Furfaro, E.; Färber, C.; Gabriel, E.; Gallas Torreira, A.; Galli, D.; Gallorini, S.; Gambetta, S.; Gandelman, M.; Gandini, P.; Gao, Y.; Garcia Martin, L. M.; García Pardiñas, J.; Garra Tico, J.; Garrido, L.; Gascon, D.; Gaspar, C.; Gavardi, L.; Gazzoni, G.; Gerick, D.; Gersabeck, E.; Gersabeck, M.; Gershon, T.; Ghez, Ph.; Gianì, S.; Gibson, V.; Girard, O. G.; Giubega, L.; Gizdov, K.; Gligorov, V. V.; Golubkov, D.; Golutvin, A.; Gomes, A.; Gorelov, I. V.; Gotti, C.; Govorkova, E.; Grabowski, J. P.; Graciani Diaz, R.; Granado Cardoso, L. A.; Graugés, E.; Graverini, E.; Graziani, G.; Grecu, A.; Greim, R.; Griffith, P.; Grillo, L.; Gruber, L.; Gruberg Cazon, B. R.; Grünberg, O.; Gushchin, E.; Guz, Yu.; Gys, T.; Göbel, C.; Hadavizadeh, T.; Hadjivasiliou, C.; Haefeli, G.; Haen, C.; Haines, S. C.; Hamilton, B.; Han, X.; Hancock, T. H.; Hansmann-Menzemer, S.; Harnew, N.; Harnew, S. T.; Hasse, C.; Hatch, M.; He, J.; Hecker, M.; Heinicke, K.; Heister, A.; Hennessy, K.; Henrard, P.; Henry, L.; van Herwijnen, E.; Heß, M.; Hicheur, A.; Hill, D.; Hopchev, P. H.; Hu, W.; Huang, W.; Huard, Z. C.; Hulsbergen, W.; Humair, T.; Hushchyn, M.; Hutchcroft, D.; Ibis, P.; Idzik, M.; Ilten, P.; Jacobsson, R.; Jalocha, J.; Jans, E.; Jawahery, A.; Jiang, F.; John, M.; Johnson, D.; Jones, C. R.; Joram, C.; Jost, B.; Jurik, N.; Kandybei, S.; Karacson, M.; Kariuki, J. M.; Karodia, S.; Kazeev, N.; Kecke, M.; Keizer, F.; Kelsey, M.; Kenzie, M.; Ketel, T.; Khairullin, E.; Khanji, B.; Khurewathanakul, C.; Kirn, T.; Klaver, S.; Klimaszewski, K.; Klimkovich, T.; Koliiev, S.; Kolpin, M.; Kopecna, R.; Koppenburg, P.; Kosmyntseva, A.; Kotriakhova, S.; Kozeiha, M.; Kravchuk, L.; Kreps, M.; Kress, F.; Krokovny, P.; Krzemien, W.; Kucewicz, W.; Kucharczyk, M.; Kudryavtsev, V.; Kuonen, A. K.; Kvaratskheliya, T.; Lacarrere, D.; Lafferty, G.; Lai, A.; Lanfranchi, G.; Langenbruch, C.; Latham, T.; Lazzeroni, C.; Le Gac, R.; Leflat, A.; Lefrançois, J.; Lefèvre, R.; Lemaitre, F.; Lemos Cid, E.; Leroy, O.; Lesiak, T.; Leverington, B.; Li, P.-R.; Li, T.; Li, Y.; Li, Z.; Liang, X.; Likhomanenko, T.; Lindner, R.; Lionetto, F.; Lisovskyi, V.; Liu, X.; Loh, D.; Loi, A.; Longstaff, I.; Lopes, J. H.; Lucchesi, D.; Lucio Martinez, M.; Luo, H.; Lupato, A.; Luppi, E.; Lupton, O.; Lusiani, A.; Lyu, X.; Machefert, F.; Maciuc, F.; Macko, V.; Mackowiak, P.; Maddrell-Mander, S.; Maev, O.; Maguire, K.; Maisuzenko, D.; Majewski, M. W.; Malde, S.; Malecki, B.; Malinin, A.; Maltsev, T.; Manca, G.; Mancinelli, G.; Marangotto, D.; Maratas, J.; Marchand, J. F.; Marconi, U.; Marin Benito, C.; Marinangeli, M.; Marino, P.; Marks, J.; Martellotti, G.; Martin, M.; Martinelli, M.; Martinez Santos, D.; Martinez Vidal, F.; Massafferri, A.; Matev, R.; Mathad, A.; Mathe, Z.; Matteuzzi, C.; Mauri, A.; Maurice, E.; Maurin, B.; Mazurov, A.; McCann, M.; McNab, A.; McNulty, R.; Mead, J. V.; Meadows, B.; Meaux, C.; Meier, F.; Meinert, N.; Melnychuk, D.; Merk, M.; Merli, A.; Michielin, E.; Milanes, D. A.; Millard, E.; Minard, M.-N.; Minzoni, L.; Mitzel, D. S.; Mogini, A.; Molina Rodriguez, J.; Mombächer, T.; Monroy, I. A.; Monteil, S.; Morandin, M.; Morello, M. J.; Morgunova, O.; Moron, J.; Morris, A. B.; Mountain, R.; Muheim, F.; Mulder, M.; Müller, D.; Müller, J.; Müller, K.; Müller, V.; Naik, P.; Nakada, T.; Nandakumar, R.; Nandi, A.; Nasteva, I.; Needham, M.; Neri, N.; Neubert, S.; Neufeld, N.; Neuner, M.; Nguyen, T. D.; Nguyen-Mau, C.; Nieswand, S.; Niet, R.; Nikitin, N.; Nikodem, T.; Nogay, A.; O’Hanlon, D. P.; Oblakowska-Mucha, A.; Obraztsov, V.; Ogilvy, S.; Oldeman, R.; Onderwater, C. J. G.; Ossowska, A.; Otalora Goicochea, J. M.; Owen, P.; Oyanguren, A.; Pais, P. R.; Palano, A.; Palutan, M.; Papanestis, A.; Pappagallo, M.; Pappalardo, L. L.; 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.; Petruzzo, M.; Picatoste Olloqui, E.; Pietrzyk, B.; Pietrzyk, G.; Pikies, M.; Pinci, D.; Pisani, F.; Pistone, A.; Piucci, A.; Placinta, V.; Playfer, S.; Plo Casasus, M.; Polci, F.; Poli Lener, M.; Poluektov, A.; Polyakov, I.; Polycarpo, E.; Pomery, G. J.; Ponce, S.; Popov, A.; Popov, D.; Poslavskii, S.; Potterat, C.; Price, E.; Prisciandaro, J.; Prouve, C.; Pugatch, V.; Puig Navarro, A.; Pullen, H.; Punzi, G.; Qian, W.; Qin, J.; Quagliani, R.; Quintana, B.; Rachwal, B.; Rademacker, J. H.; Rama, M.; Ramos Pernas, M.; Rangel, M. S.; Raniuk, I.; Ratnikov, F.; Raven, G.; Ravonel Salzgeber, M.; Reboud, M.; Redi, F.; Reichert, S.; dos Reis, A. C.; Remon Alepuz, C.; Renaudin, V.; Ricciardi, S.; Richards, S.; Rihl, M.; Rinnert, K.; Robbe, P.; Robert, A.; Rodrigues, A. B.; Rodrigues, E.; Rodriguez Lopez, J. A.; Rogozhnikov, A.; Roiser, S.; Rollings, A.; Romanovskiy, V.; Romero Vidal, A.; Rotondo, M.; Rudolph, M. S.; Ruf, T.; Ruiz Valls, P.; Ruiz Vidal, J.; Saborido Silva, J. J.; Sadykhov, E.; Sagidova, N.; Saitta, B.; Salustino Guimaraes, V.; Sanchez Mayordomo, C.; Sanmartin Sedes, B.; Santacesaria, R.; Santamarina Rios, C.; Santimaria, M.; Santovetti, E.; Sarpis, G.; Sarti, A.; Satriano, C.; Satta, A.; Saunders, D. M.; Savrina, D.; Schael, S.; Schellenberg, M.; Schiller, M.; Schindler, H.; Schmelling, M.; Schmelzer, T.; Schmidt, B.; Schneider, O.; Schopper, A.; Schreiner, H. F.; Schubiger, M.; Schune, M. H.; Schwemmer, R.; Sciascia, B.; Sciubba, A.; Semennikov, A.; Sepulveda, E. S.; Sergi, A.; Serra, N.; Serrano, J.; Sestini, L.; Seyfert, P.; Shapkin, M.; Shapoval, I.; Shcheglov, Y.; Shears, T.; Shekhtman, L.; Shevchenko, V.; Siddi, B. G.; Silva Coutinho, R.; Silva de Oliveira, L.; Simi, G.; Simone, S.; Sirendi, M.; Skidmore, N.; Skwarnicki, T.; Smith, I. T.; Smith, J.; Smith, M.; Soares Lavra, l.; Sokoloff, M. D.; Soler, F. J. P.; Souza De Paula, B.; Spaan, B.; Spradlin, P.; Sridharan, S.; Stagni, F.; Stahl, M.; Stahl, S.; Stefko, P.; Stefkova, S.; Steinkamp, O.; Stemmle, S.; Stenyakin, O.; Stepanova, M.; Stevens, H.; Stone, S.; Storaci, B.; Stracka, S.; Stramaglia, M. E.; Straticiuc, M.; Straumann, U.; Sun, J.; Sun, L.; Swientek, K.; Syropoulos, V.; Szumlak, T.; Szymanski, M.; T’Jampens, S.; Tayduganov, A.; Tekampe, T.; Tellarini, G.; Teubert, F.; Thomas, E.; van Tilburg, J.; Tilley, M. J.; Tisserand, V.; Tobin, M.; Tolk, S.; Tomassetti, L.; Tonelli, D.; Tourinho Jadallah Aoude, R.; Tournefier, E.; Traill, M.; Tran, M. T.; Tresch, M.; Trisovic, A.; Tsaregorodtsev, A.; Tsopelas, P.; Tully, A.; Tuning, N.; Ukleja, A.; Usachov, A.; Ustyuzhanin, A.; Uwer, U.; Vacca, C.; Vagner, A.; Vagnoni, V.; Valassi, A.; Valat, S.; Valenti, G.; Vazquez Gomez, R.; Vazquez Regueiro, P.; Vecchi, S.; van Veghel, M.; Velthuis, J. J.; Veltri, M.; Veneziano, G.; Venkateswaran, A.; Verlage, T. A.; Vernet, M.; Vesterinen, M.; Viana Barbosa, J. V.; Vieira, D.; Vieites Diaz, M.; Viemann, H.; Vilasis-Cardona, X.; Vitti, M.; Volkov, V.; Vollhardt, A.; Voneki, B.; Vorobyev, A.; Vorobyev, V.; Voß, C.; de Vries, J. A.; Vázquez Sierra, C.; Waldi, R.; Walsh, J.; Wang, J.; Wang, Y.; Ward, D. R.; Wark, H. M.; Watson, N. K.; Websdale, D.; Weiden, A.; Weisser, C.; Whitehead, M.; Wicht, J.; Wilkinson, G.; Wilkinson, M.; Williams, M.; Williams, M.; Williams, T.; Wilson, F. F.; Wimberley, J.; Winn, M.; Wishahi, J.; Wislicki, W.; Witek, M.; Wormser, G.; Wotton, S. A.; Wyllie, K.; Xie, Y.; Xu, M.; Xu, Q.; Xu, Z.; Xu, Z.; Yang, Z.; Yang, Z.; Yao, Y.; Yin, H.; Yu, J.; Yuan, X.; Yushchenko, O.; Zarebski, K. A.; Zavertyaev, M.; Zhang, L.; Zhang, Y.; Zhelezov, A.; Zheng, Y.; Zhu, X.; Zhukov, V.; Zonneveld, J. B.; Zucchelli, S.

doi:10.1007/JHEP03(2018)059

Regular Article - Experimental Physics
Open Access
Published: 12 March 2018

Measurement of CP asymmetry in B ⁰_s → D ^∓_s K^± decays

The LHCb collaboration,
R. Aaij⁴⁰,
B. Adeva³⁹,
M. Adinolfi⁴⁸,
Z. Ajaltouni⁵,
S. Akar⁵⁹,
J. Albrecht¹⁰,
F. Alessio⁴⁰,
M. Alexander⁵³,
A. Alfonso Albero³⁸,
S. Ali⁴³,
G. Alkhazov³¹,
P. Alvarez Cartelle⁵⁵,
A. A. Alves Jr⁵⁹,
S. Amato²,
S. Amerio²³,
Y. Amhis⁷,
L. An³,
L. Anderlini¹⁸,
G. Andreassi⁴¹,
M. Andreotti^17,79,
J. E. Andrews⁶⁰,
R. B. Appleby⁵⁶,
F. Archilli⁴³,
P. d’Argent¹²,
J. Arnau Romeu⁶,
A. Artamonov³⁷,
M. Artuso⁶¹,
E. Aslanides⁶,
M. Atzeni⁴²,
G. Auriemma²⁶,
M. Baalouch⁵,
I. Babuschkin⁵⁶,
S. Bachmann¹²,
J. J. Back⁵⁰,
A. Badalov^38,85,
C. Baesso⁶²,
S. Baker⁵⁵,
V. Balagura^7,74,
W. Baldini¹⁷,
A. Baranov³⁵,
R. J. Barlow⁵⁶,
C. Barschel⁴⁰,
S. Barsuk⁷,
W. Barter⁵⁶,
F. Baryshnikov³²,
V. Batozskaya²⁹,
V. Battista⁴¹,
A. Bay⁴¹,
L. Beaucourt⁴,
J. Beddow⁵³,
F. Bedeschi²⁴,
I. Bediaga¹,
A. Beiter⁶¹,
L. J. Bel⁴³,
N. Beliy⁶³,
V. Bellee⁴¹,
N. Belloli^21,81,
K. Belous³⁷,
I. Belyaev^32,40,
E. Ben-Haim⁸,
G. Bencivenni¹⁹,
S. Benson⁴³,
S. Beranek⁹,
A. Berezhnoy³³,
R. Bernet⁴²,
D. Berninghoff¹²,
E. Bertholet⁸,
A. Bertolin²³,
C. Betancourt⁴²,
F. Betti¹⁵,
M. O. Bettler⁴⁰,
M. van Beuzekom⁴³,
Ia. Bezshyiko⁴²,
S. Bifani⁴⁷,
P. Billoir⁸,
A. Birnkraut¹⁰,
A. Bizzeti^18,93,
M. Bjørn⁵⁷,
T. Blake⁵⁰,
F. Blanc⁴¹,
S. Blusk⁶¹,
V. Bocci²⁶,
T. Boettcher⁵⁸,
A. Bondar^36,95,
N. Bondar³¹,
I. Bordyuzhin³²,
S. Borghi^56,40,
M. Borisyak³⁵,
M. Borsato³⁹,
F. Bossu⁷,
M. Boubdir⁹,
T. J. V. Bowcock⁵⁴,
E. Bowen⁴²,
C. Bozzi^17,40,
S. Braun¹²,
J. Brodzicka²⁷,
D. Brundu¹⁶,
E. Buchanan⁴⁸,
C. Burr⁵⁶,
A. Bursche^16,78,
J. Buytaert⁴⁰,
W. Byczynski⁴⁰,
S. Cadeddu¹⁶,
H. Cai⁶⁴,
R. Calabrese^17,79,
R. Calladine⁴⁷,
M. Calvi^21,81,
M. Calvo Gomez^38,85,
A. Camboni^38,85,
P. Campana¹⁹,
D. H. Campora Perez⁴⁰,
L. Capriotti⁵⁶,
A. Carbone^15,77,
G. Carboni^25,82,
R. Cardinale^20,80,
A. Cardini¹⁶,
P. Carniti^21,81,
L. Carson⁵²,
K. Carvalho Akiba²,
G. Casse⁵⁴,
L. Cassina²¹,
M. Cattaneo⁴⁰,
G. Cavallero^20,40,80,
R. Cenci^24,92,
D. Chamont⁷,
M. G. Chapman⁴⁸,
M. Charles⁸,
Ph. Charpentier⁴⁰,
G. Chatzikonstantinidis⁴⁷,
M. Chefdeville⁴,
S. Chen¹⁶,
S. F. Cheung⁵⁷,
S.-G. Chitic⁴⁰,
V. Chobanova³⁹,
M. Chrzaszcz⁴²,
A. Chubykin³¹,
P. Ciambrone¹⁹,
X. Cid Vidal³⁹,
G. Ciezarek⁴⁰,
P. E. L. Clarke⁵²,
M. Clemencic⁴⁰,
H. V. Cliff⁴⁹,
J. Closier⁴⁰,
V. Coco⁴⁰,
J. Cogan⁶,
E. Cogneras⁵,
V. Cogoni^16,78,
L. Cojocariu³⁰,
P. Collins⁴⁰,
T. Colombo⁴⁰,
A. Comerma-Montells¹²,
A. Contu¹⁶,
G. Coombs⁴⁰,
S. Coquereau³⁸,
G. Corti⁴⁰,
M. Corvo^17,79,
C. M. Costa Sobral⁵⁰,
B. Couturier⁴⁰,
G. A. Cowan⁵²,
D. C. Craik⁵⁸,
A. Crocombe⁵⁰,
M. Cruz Torres¹,
R. Currie⁵²,
C. D’Ambrosio⁴⁰,
F. Da Cunha Marinho²,
C. L. Da Silva⁷²,
E. Dall’Occo⁴³,
J. Dalseno⁴⁸,
A. Davis³,
O. De Aguiar Francisco⁴⁰,
K. De Bruyn⁴⁰,
S. De Capua⁵⁶,
M. De Cian¹²,
J. M. De Miranda¹,
L. De Paula²,
M. De Serio^14,76,
P. De Simone¹⁹,
C. T. Dean⁵³,
D. Decamp⁴,
L. Del Buono⁸,
H.-P. Dembinski¹¹,
M. Demmer¹⁰,
A. Dendek²⁸,
D. Derkach³⁵,
O. Deschamps⁵,
F. Dettori⁵⁴,
B. Dey⁶⁵,
A. Di Canto⁴⁰,
P. Di Nezza¹⁹,
H. Dijkstra⁴⁰,
F. Dordei⁴⁰,
M. Dorigo⁴⁰,
A. Dosil Suárez³⁹,
L. Douglas⁵³,
A. Dovbnya⁴⁵,
K. Dreimanis⁵⁴,
L. Dufour⁴³,
G. Dujany⁸,
P. Durante⁴⁰,
J. M. Durham⁷²,
D. Dutta⁵⁶,
R. Dzhelyadin³⁷,
M. Dziewiecki¹²,
A. Dziurda⁴⁰,
A. Dzyuba³¹,
S. Easo⁵¹,
U. Egede⁵⁵,
V. Egorychev³²,
S. Eidelman^36,95,
S. Eisenhardt⁵²,
U. Eitschberger¹⁰,
R. Ekelhof¹⁰,
L. Eklund⁵³,
S. Ely⁶¹,
S. Esen¹²,
H. M. Evans⁴⁹,
T. Evans⁵⁷,
A. Falabella¹⁵,
N. Farley⁴⁷,
S. Farry⁵⁴,
D. Fazzini^21,81,
L. Federici²⁵,
D. Ferguson⁵²,
G. Fernandez³⁸,
P. Fernandez Declara⁴⁰,
A. Fernandez Prieto³⁹,
F. Ferrari¹⁵,
L. Ferreira Lopes⁴¹,
F. Ferreira Rodrigues²,
M. Ferro-Luzzi⁴⁰,
S. Filippov³⁴,
R. A. Fini¹⁴,
M. Fiorini^17,79,
M. Firlej²⁸,
C. Fitzpatrick⁴¹,
T. Fiutowski²⁸,
F. Fleuret^7,74,
M. Fontana^16,40,
F. Fontanelli^20,80,
R. Forty⁴⁰,
V. Franco Lima⁵⁴,
M. Frank⁴⁰,
C. Frei⁴⁰,
J. Fu^22,89,
W. Funk⁴⁰,
E. Furfaro^25,82,
C. Färber⁴⁰,
E. Gabriel⁵²,
A. Gallas Torreira³⁹,
D. Galli^15,77,
S. Gallorini²³,
S. Gambetta⁵²,
M. Gandelman²,
P. Gandini²²,
Y. Gao³,
L. M. Garcia Martin⁷⁰,
J. García Pardiñas³⁹,
J. Garra Tico⁴⁹,
L. Garrido³⁸,
D. Gascon³⁸,
C. Gaspar⁴⁰,
L. Gavardi¹⁰,
G. Gazzoni⁵,
D. Gerick¹²,
E. Gersabeck⁵⁶,
M. Gersabeck⁵⁶,
T. Gershon⁵⁰,
Ph. Ghez⁴,
S. Gianì⁴¹,
V. Gibson⁴⁹,
O. G. Girard⁴¹,
L. Giubega³⁰,
K. Gizdov⁵²,
V. V. Gligorov⁸,
D. Golubkov³²,
A. Golutvin⁵⁵,
A. Gomes^1,73,
I. V. Gorelov³³,
C. Gotti^21,81,
E. Govorkova⁴³,
J. P. Grabowski¹²,
R. Graciani Diaz³⁸,
L. A. Granado Cardoso⁴⁰,
E. Graugés³⁸,
E. Graverini⁴²,
G. Graziani¹⁸,
A. Grecu³⁰,
R. Greim⁹,
P. Griffith¹⁶,
L. Grillo⁵⁶,
L. Gruber⁴⁰,
B. R. Gruberg Cazon⁵⁷,
O. Grünberg⁶⁷,
E. Gushchin³⁴,
Yu. Guz³⁷,
T. Gys⁴⁰,
C. Göbel⁶²,
T. Hadavizadeh⁵⁷,
C. Hadjivasiliou⁵,
G. Haefeli⁴¹,
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B. Meadows⁵⁹,
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F. Meier¹⁰,
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E. Millard⁵⁰,
M.-N. Minard⁴,
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A. Ossowska²⁷,
J. M. Otalora Goicochea²,
P. Owen⁴²,
A. Oyanguren⁷⁰,
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D. Popov^11,40,
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A. Puig Navarro⁴²,
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C. Satriano^26,91,
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B. G. Siddi¹⁷,
R. Silva Coutinho⁴²,
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M. Sirendi⁴⁹,
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T. Skwarnicki⁶¹,
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X. Vilasis-Cardona^38,85,
M. Vitti⁴⁹,
V. Volkov³³,
A. Vollhardt⁴²,
B. Voneki⁴⁰,
A. Vorobyev³¹,
V. Vorobyev^36,95,
C. Voß⁹,
J. A. de Vries⁴³,
C. Vázquez Sierra⁴³,
R. Waldi⁶⁷,
J. Walsh²⁴,
J. Wang⁶¹,
Y. Wang⁶⁵,
D. R. Ward⁴⁹,
H. M. Wark⁵⁴,
N. K. Watson⁴⁷,
D. Websdale⁵⁵,
A. Weiden⁴²,
C. Weisser⁵⁸,
M. Whitehead⁴⁰,
J. Wicht⁵⁰,
G. Wilkinson⁵⁷,
M. Wilkinson⁶¹,
M. Williams⁵⁶,
M. Williams⁵⁸,
T. Williams⁴⁷,
F. F. Wilson^51,40,
J. Wimberley⁶⁰,
M. Winn⁷,
J. Wishahi¹⁰,
W. Wislicki²⁹,
M. Witek²⁷,
G. Wormser⁷,
S. A. Wotton⁴⁹,
K. Wyllie⁴⁰,
Y. Xie⁶⁵,
M. Xu⁶⁵,
Q. Xu⁶³,
Z. Xu³,
Z. Xu⁴,
Z. Yang³,
Z. Yang⁶⁰,
Y. Yao⁶¹,
H. Yin⁶⁵,
J. Yu⁶⁵,
X. Yuan⁶¹,
O. Yushchenko³⁷,
K. A. Zarebski⁴⁷,
M. Zavertyaev^11,75,
L. Zhang³,
Y. Zhang⁷,
A. Zhelezov¹²,
Y. Zheng⁶³,
X. Zhu³,
V. Zhukov^9,33,
J. B. Zonneveld⁵² &
…
S. Zucchelli¹⁵

Journal of High Energy Physics volume 2018, Article number: 59 (2018) Cite this article

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A preprint version of the article is available at arXiv.

Abstract

We report the measurements of the CP -violating parameters in B ⁰_s → D ^∓_s K^± decays observed in pp collisions, using a data set corresponding to an integrated luminosity of 3.0 fb⁻¹ recorded with the LHCb detector. We measure C_f = 0.73 ± 0.14 ± 0.05, A ^ΔΓ_f = 0.39 ± 0.28 ± 0.15, \( {A}_{\overline{f}}^{\varDelta \varGamma }=0.31\pm 0.28\pm 0.15 \), S_f = −0.52 ± 0.20 ± 0.07, \( {S}_{\overline{f}}=-0.49\pm 0.20\pm 0.07 \), where the uncertainties are statistical and systematic, respectively. These parameters are used together with the world-average value of the B ⁰_s mixing phase, −2β_s, to obtain a measurement of the CKM angle γ from B ⁰_s → D ^∓_s K^± decays, yielding γ = (128 ^+ 17_− 22 )° modulo 180°, where the uncertainty contains both statistical and systematic contributions. This corresponds to 3.8 σ evidence for CP violation in the interference between decay and decay after mixing.

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Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil
I. Bediaga, M. Cruz Torres, J. M. De Miranda, A. Gomes, A. Massafferri, J. Molina Rodriguez, A. C. dos Reis, l. Soares Lavra & R. Tourinho Jadallah Aoude
Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
S. Amato, K. Carvalho Akiba, F. Da Cunha Marinho, L. De Paula, F. 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
Center for High Energy Physics, Tsinghua University, Beijing, China
L. An, A. Davis, Y. Gao, F. Jiang, T. Li, X. Liu, J. Sun, Z. Xu, Z. Yang, L. Zhang & X. Zhu
Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IN2P3-LAPP, Annecy, France
L. Beaucourt, M. Chefdeville, D. Decamp, Ph. Ghez, J. F. Marchand, M.-N. Minard, B. Pietrzyk, M. Reboud, S. T’Jampens, E. Tournefier & Z. Xu
Clermont Université, Université Blaise Pascal, CNRS/IN2P3, LPC, Clermont-Ferrand, France
Z. Ajaltouni, M. Baalouch, E. Cogneras, O. Deschamps, G. Gazzoni, C. Hadjivasiliou, P. Henrard, M. Kozeiha, R. Lefèvre, J. Maratas, S. Monteil, P. Perret, B. Quintana, V. Tisserand & M. Vernet
Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France
J. Arnau Romeu, E. Aslanides, J. Cogan, R. Le Gac, O. Leroy, G. Mancinelli, M. Martin, C. Meaux, J. Serrano, A. Tayduganov & A. Tsaregorodtsev
LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, France
Y. Amhis, V. Balagura, S. Barsuk, F. Bossu, D. Chamont, F. Fleuret, J. Lefrançois, Y. Li, V. Lisovskyi, F. Machefert, E. Maurice, V. Renaudin, P. Robbe, M. H. Schune, A. Usachov, M. Winn, G. Wormser & Y. Zhang
LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris, France
E. Ben-Haim, E. Bertholet, P. Billoir, M. Charles, L. Del Buono, G. Dujany, V. V. Gligorov, A. Mogini, F. Polci, R. Quagliani, A. Robert & E. S. Sepulveda
I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany
S. Beranek, M. Boubdir, R. Greim, A. Heister, T. Kirn, C. Langenbruch, S. Nieswand, S. Schael, T. A. Verlage, C. Voß & V. Zhukov
Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany
J. Albrecht, A. Birnkraut, M. Demmer, U. Eitschberger, R. Ekelhof, L. Gavardi, K. Heinicke, P. Ibis, P. Mackowiak, F. Meier, T. Mombächer, J. Müller, V. Müller, R. Niet, S. Reichert, M. Schellenberg, T. Schmelzer, B. Spaan, H. Stevens, T. Tekampe & J. Wishahi
Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Germany
H.-P. Dembinski, T. Klimkovich, D. Popov, M. Schmelling & M. Zavertyaev
Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
P. d’Argent, S. Bachmann, D. Berninghoff, S. Braun, A. Comerma-Montells, M. De Cian, M. Dziewiecki, S. Esen, 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, T. Nikodem, A. Piucci, M. Stahl, S. Stemmle, U. Uwer & A. Zhelezov
School of Physics, University College Dublin, Dublin, Ireland
R. McNulty
Sezione INFN di Bari, Bari, Italy
M. De Serio, R. A. Fini, A. Palano, A. Pastore & S. Simone
Sezione INFN di Bologna, Bologna, Italy
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Universita e INFN, Ferrara, Ferrara, Italy
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Laboratori Nazionali dell’INFN di Frascati, Frascati, Italy
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Sezione INFN di Genova, Genova, Italy
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Sezione di Milano, Milano, Italy
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Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland
J. Brodzicka, W. Kucewicz, M. Kucharczyk, T. Lesiak, B. Malecki, A. Ossowska, M. Pikies & M. Witek
AGH - University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland
A. Dendek, M. Firlej, T. Fiutowski, M. Idzik, M. W. Majewski, J. Moron, A. Oblakowska-Mucha, B. Rachwal, K. Swientek & T. Szumlak
National Center for Nuclear Research (NCBJ), Warsaw, Poland
V. Batozskaya, K. Klimaszewski, W. Krzemien, D. Melnychuk, A. Ukleja & W. Wislicki
Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania
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Petersburg Nuclear Physics Institute (PNPI), Gatchina, Russia
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Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia
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Institute of Nuclear Physics, Moscow State University (SINP MSU), Moscow, Russia
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Institute for Nuclear Research of the Russian Academy of Sciences (INR RAS), Moscow, Russia
S. Filippov, E. Gushchin & L. Kravchuk
Yandex School of Data Analysis, Moscow, Russia
A. Baranov, M. Borisyak, D. Derkach, M. Hushchyn, N. Kazeev, E. Khairullin, F. Ratnikov, A. Rogozhnikov & A. Ustyuzhanin
Budker Institute of Nuclear Physics (SB RAS), Novosibirsk, Russia
A. Bondar, S. Eidelman, P. Krokovny, V. Kudryavtsev, T. Maltsev, L. Shekhtman & V. Vorobyev
Institute for High Energy Physics (IHEP), Protvino, Russia
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ICCUB, Universitat de Barcelona, Barcelona, Spain
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Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
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European Organization for Nuclear Research (CERN), Geneva, Switzerland
R. Aaij, F. Alessio, C. Barschel, I. Belyaev, M. O. Bettler, S. Borghi, C. Bozzi, J. Buytaert, W. Byczynski, D. H. Campora Perez, M. Cattaneo, G. Cavallero, Ph. Charpentier, S.-G. Chitic, 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, A. Dziurda, P. Fernandez Declara, M. Ferro-Luzzi, M. Fontana, R. Forty, M. Frank, C. Frei, W. Funk, C. Färber, C. Gaspar, L. A. Granado Cardoso, L. Gruber, T. Gys, C. Haen, C. Hasse, M. Hatch, E. van Herwijnen, R. Jacobsson, D. Johnson, C. Joram, B. Jost, M. Karacson, T. Kvaratskheliya, D. Lacarrere, A. Leflat, F. Lemaitre, R. Lindner, O. Lupton, O. Maev, R. Matev, Z. Mathe, M. McCann, A. Merli, N. Neri, N. Neufeld, M. Palutan, G. Passaleva, A. Pearce, M. Pepe Altarelli, S. Perazzini, F. Pisani, S. Ponce, D. Popov, M. Ravonel Salzgeber, M. Rihl, S. Roiser, A. Romero Vidal, T. Ruf, H. Schindler, B. Schmidt, A. Schopper, R. Schwemmer, P. Seyfert, S. Sridharan, F. Stagni, S. Stahl, F. Teubert, E. Thomas, N. Tuning, V. Vagnoni, A. Valassi, S. Valat, R. Vazquez Gomez, J. V. Viana Barbosa, B. Voneki, M. Whitehead, F. F. Wilson & K. Wyllie
Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
G. Andreassi, V. Battista, A. Bay, V. Bellee, F. Blanc, L. Ferreira Lopes, C. Fitzpatrick, S. Gianì, O. G. Girard, G. Haefeli, P. H. Hopchev, C. Khurewathanakul, A. K. Kuonen, V. Macko, M. Marinangeli, P. Marino, M. Martinelli, B. Maurin, T. Nakada, 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. Tobin & M. T. Tran
Physik-Institut, Universität Zürich, Zürich, Switzerland
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Nikhef National Institute for Subatomic Physics, Amsterdam, The Netherlands
S. Ali, F. Archilli, L. J. Bel, S. Benson, M. van Beuzekom, E. Dall’Occo, L. Dufour, E. Govorkova, W. Hulsbergen, E. Jans, P. Koppenburg, M. Merk, M. Mulder, A. Pellegrino, J. van Tilburg, P. Tsopelas, N. Tuning, M. van Veghel, J. A. de Vries & C. Vázquez Sierra
Nikhef National Institute for Subatomic Physics and VU University Amsterdam, Amsterdam, The Netherlands
T. Ketel, G. Raven & V. Syropoulos
NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine
A. Dovbnya, S. Kandybei, I. Raniuk & I. Shapoval
Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine
S. Koliiev & V. Pugatch
University of Birmingham, Birmingham, United Kingdom
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H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom
M. Adinolfi, 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, D. M. Saunders, N. Skidmore & J. J. Velthuis
Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom
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Department of Physics, University of Warwick, Coventry, United Kingdom
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STFC Rutherford Appleton Laboratory, Didcot, United Kingdom
S. Easo, R. Nandakumar, A. Papanestis, S. Ricciardi & F. F. Wilson
School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom
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School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom
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Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom
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Imperial College London, London, United Kingdom
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
School of Physics and Astronomy, University of Manchester, Manchester, United Kingdom
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Department of Physics, University of Oxford, Oxford, United Kingdom
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Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil
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School of Physics and Technology, Wuhan University, Wuhan, China
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Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China
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Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia
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Institut für Physik, Universität Rostock, Rostock, Germany
O. Grünberg, M. Heß, N. Meinert, H. Viemann & R. Waldi
National Research Centre Kurchatov Institute, Moscow, Russia
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National Research Tomsk Polytechnic University, Tomsk, Russia
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Instituto de Fisica Corpuscular, Centro Mixto Universidad de Valencia - CSIC, Valencia, Spain
L. M. Garcia Martin, L. Henry, F. Martinez Vidal, A. Oyanguren, C. Remon Alepuz, P. Ruiz Valls, J. Ruiz Vidal & C. Sanchez Mayordomo
Van Swinderen Institute, University of Groningen, Groningen, The Netherlands
C. J. G. Onderwater
Los Alamos National Laboratory (LANL), Los Alamos, United States
C. L. Da Silva & J. M. Durham
Universidade Federal do Triângulo Mineiro (UFTM), Uberaba, MG, Brazil
A. Gomes
Laboratoire Leprince-Ringuet, Palaiseau, France
V. Balagura, F. Fleuret & E. Maurice
P.N. Lebedev Physical Institute, Russian Academy of Science (LPI RAS), Moscow, Russia
M. Zavertyaev
Università di Bari, Bari, Italy
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Università di Bologna, Bologna, Italy
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Università di Genova, Genova, Italy
R. Cardinale, G. Cavallero, F. Fontanelli, A. Petrolini & A. Pistone
Università di Milano Bicocca, Milano, Italy
N. Belloli, M. Calvi, P. Carniti, D. Fazzini & C. Gotti
Università di Roma Tor Vergata, Roma, Italy
G. Carboni, E. Furfaro & E. Santovetti
Università di Roma La Sapienza, Roma, Italy
A. Sarti & A. Sciubba
AGH - University of Science and Technology, Faculty of Computer Science, Electronics and Telecommunications, Kraków, Poland
W. Kucewicz
LIFAELS, La Salle, Universitat Ramon Llull, Barcelona, Spain
A. Badalov, M. Calvo Gomez, A. Camboni & X. Vilasis-Cardona
Hanoi University of Science, Hanoi, Vietnam
C. Nguyen-Mau
Università di Padova, Padova, Italy
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Università di Pisa, Pisa, Italy
G. Punzi & S. Stracka
Università degli Studi di Milano, Milano, Italy
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Università di Urbino, Urbino, Italy
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Università della Basilicata, Potenza, Italy
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Scuola Normale Superiore, Pisa, Italy
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Università di Modena e Reggio Emilia, Modena, Italy
A. Bizzeti
Iligan Institute of Technology (IIT), Iligan, Philippines
J. Maratas
Novosibirsk State University, Novosibirsk, Russia
A. Bondar, S. Eidelman, P. Krokovny, V. Kudryavtsev, T. Maltsev, L. Shekhtman & V. Vorobyev

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R. Aaij
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B. Adeva
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M. Adinolfi
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Z. Ajaltouni
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S. Akar
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J. Albrecht
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F. Alessio
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M. Alexander
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A. Alfonso Albero
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S. Ali
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G. Alkhazov
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P. Alvarez Cartelle
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A. A. Alves Jr
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S. Amato
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S. Amerio
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Y. Amhis
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L. An
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L. Anderlini
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