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Measurement of the Bs0→J/ψKS0 branching fraction
- Collaboration, LHCb;
- Aaij, R;
- Beteta, C Abellan;
- Adeva, B;
- Adinolfi, M;
- Adrover, C;
- Affolder, A;
- Ajaltouni, Z;
- Albrecht, J;
- Alessio, F;
- Alexander, M;
- Ali, S;
- Alkhazov, G;
- Cartelle, P Alvarez;
- Alves, AA;
- Amato, S;
- Amhis, Y;
- Anderson, J;
- Appleby, RB;
- Gutierrez, O Aquines;
- Archilli, F;
- Arrabito, L;
- Artamonov, A;
- Artuso, M;
- Aslanides, E;
- Auriemma, G;
- Bachmann, S;
- Back, JJ;
- Balagura, V;
- Baldini, W;
- Barlow, RJ;
- Barschel, C;
- Barsuk, S;
- Barter, W;
- Bates, A;
- Bauer, C;
- Bauer, Th;
- Bay, A;
- Bediaga, I;
- Belogurov, S;
- Belous, K;
- Belyaev, I;
- Ben-Haim, E;
- Benayoun, M;
- Bencivenni, G;
- Benson, S;
- Benton, J;
- Bernet, R;
- Bettler, M-O;
- van Beuzekom, M;
- Bien, A;
- Bifani, S;
- Bird, T;
- Bizzeti, A;
- Bjørnstad, PM;
- Blake, T;
- Blanc, F;
- Blanks, C;
- Blouw, J;
- Blusk, S;
- Bobrov, A;
- Bocci, V;
- Bondar, A;
- Bondar, N;
- Bonivento, W;
- Borghi, S;
- Borgia, A;
- Bowcock, TJV;
- Bozzi, C;
- Brambach, T;
- van den Brand, J;
- Bressieux, J;
- Brett, D;
- Britsch, M;
- Britton, T;
- Brook, NH;
- Brown, H;
- Büchler-Germann, A;
- Burducea, I;
- Bursche, A;
- Buytaert, J;
- Cadeddu, S;
- Callot, O;
- Calvi, M;
- Gomez, M Calvo;
- Camboni, A;
- Campana, P;
- Carbone, A;
- Carboni, G;
- Cardinale, R;
- Cardini, A;
- Carson, L;
- Akiba, K Carvalho;
- Casse, G;
- Cattaneo, M;
- Cauet, Ch;
- Charles, M;
- Charpentier, Ph;
- Chiapolini, N;
- Ciba, K;
- Vidal, X Cid;
- Ciezarek, G;
- Clarke, PEL;
- Clemencic, M;
- Cliff, HV;
- Closier, J;
- Coca, C;
- Coco, V;
- Cogan, J;
- Collins, P;
- Comerma-Montells, A;
- Contu, A;
- Cook, A;
- Coombes, M;
- Corti, G;
- Couturier, B;
- Cowan, GA;
- Currie, R;
- DʼAmbrosio, C;
- David, P;
- David, PNY;
- De Bonis, I;
- De Bruyn, K;
- De Capua, S;
- De Cian, M;
- De Lorenzi, F;
- De Miranda, JM;
- De Paula, L;
- De Simone, P;
- Decamp, D;
- Deckenhoff, M;
- Degaudenzi, H;
- Del Buono, L;
- Deplano, C;
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- Dettori, F;
- Dickens, J;
- Dijkstra, H;
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- Donleavy, S;
- Dordei, F;
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- Dossett, D;
- Dovbnya, A;
- Dupertuis, F;
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- Egede, U;
- Egorychev, V;
- Eidelman, S;
- van Eijk, D;
- Eisele, F;
- Eisenhardt, S;
- Ekelhof, R;
- Eklund, L;
- Elsasser, Ch;
- Elsby, D;
- Pereira, D Esperante;
- Falabella, A;
- Färber, C;
- Fardell, G;
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- Gui, B;
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- Guz, Yu;
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- Haefeli, G;
- Haen, C;
- Haines, SC;
- Hampson, T;
- Hansmann-Menzemer, S;
- Harji, R;
- Harnew, N;
- Harrison, J;
- Harrison, PF;
- Hartmann, T;
- He, J;
- Heijne, V;
- Hennessy, K;
- Henrard, P;
- Morata, JA Hernando;
- van Herwijnen, E;
- Hicks, E;
- Holubyev, K;
- Hopchev, P;
- Hulsbergen, W;
- Hunt, P;
- Huse, T;
- Huston, RS;
- Hutchcroft, D;
- Hynds, D;
- Iakovenko, V;
- Ilten, P;
- Imong, J;
- Jacobsson, R;
- Jaeger, A;
- Hussein, M Jahjah;
- Jans, E;
- Jansen, F;
- Jaton, P;
- Jean-Marie, B;
- Jing, F;
- John, M;
- Johnson, D;
- Jones, CR;
- Jost, B;
- Kaballo, M;
- Kandybei, S;
- Karacson, M;
- Karbach, TM;
- Keaveney, J;
- Kenyon, IR;
- Kerzel, U;
- Ketel, T;
- Keune, A;
- Khanji, B;
- Kim, YM;
- Knecht, M;
- Koopman, RF;
- Koppenburg, P;
- Korolev, M;
- Kozlinskiy, A;
- Kravchuk, L;
- Kreplin, K;
- Kreps, M;
- Krocker, G;
- Krokovny, P;
- Kruse, F;
- Kruzelecki, K;
- Kucharczyk, M;
- Kudryavtsev, V;
- Kvaratskheliya, T;
- La Thi, VN;
- Lacarrere, D;
- Lafferty, G;
- Lai, A;
- Lambert, D;
- Lambert, RW;
- Lanciotti, E;
- Lanfranchi, G;
- Langenbruch, C;
- Latham, T;
- Lazzeroni, C;
- Le Gac, R;
- van Leerdam, J;
- Lees, J-P;
- Lefèvre, R;
- Leflat, A;
- Lefrançois, J;
- Leroy, O;
- Lesiak, T;
- Li, L;
- Gioi, L Li;
- Lieng, M;
- Liles, M;
- Lindner, R;
- Linn, C;
- Liu, B;
- Liu, G;
- von Loeben, J;
- Lopes, JH;
- Asamar, E Lopez;
- Lopez-March, N;
- Lu, H;
- Luisier, J;
- Raighne, A Mac;
- Machefert, F;
- Machikhiliyan, IV;
- Maciuc, F;
- Maev, O;
- Magnin, J;
- Malde, S;
- Mamunur, RMD;
- Manca, G;
- Mancinelli, G;
- Mangiafave, N;
- Marconi, U;
- Märki, R;
- Marks, J;
- Martellotti, G;
- Martens, A;
- Martin, L;
- Sánchez, A Martín;
- Martinelli, M;
- Santos, D Martinez;
- Massafferri, A;
- Mathe, Z;
- Matteuzzi, C;
- Matveev, M;
- Maurice, E;
- Maynard, B;
- Mazurov, A;
- McGregor, G;
- McNulty, R;
- Meissner, M;
- Merk, M;
- Merkel, J;
- Miglioranzi, S;
- Milanes, DA;
- Minard, M-N;
- Rodriguez, J Molina;
- Monteil, S;
- Moran, D;
- Morawski, P;
- Mountain, R;
- Mous, I;
- Muheim, F;
- Müller, K;
- Muresan, R;
- Muryn, B;
- Muster, B;
- Mylroie-Smith, J;
- Naik, P;
- Nakada, T;
- Nandakumar, R;
- Nasteva, I;
- Needham, M;
- Neufeld, N;
- Nguyen, AD;
- Nguyen-Mau, C;
- Nicol, M;
- Niess, V;
- Nikitin, N;
- Nikodem, T;
- Nomerotski, A;
- Novoselov, A;
- Oblakowska-Mucha, A;
- Obraztsov, V;
- Oggero, S;
- Ogilvy, S;
- Okhrimenko, O;
- Oldeman, R;
- Orlandea, M;
- Goicochea, JM Otalora;
- Owen, P;
- Pal, BK;
- Palacios, J;
- Palano, A;
- Palutan, M;
- Panman, J;
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- Pappagallo, M;
- Parkes, C;
- Parkinson, CJ;
- Passaleva, G;
- Patel, GD;
- Patel, M;
- Paterson, SK;
- Patrick, GN;
- Patrignani, C;
- Pavel-Nicorescu, C;
- Alvarez, A Pazos;
- Pellegrino, A;
- Penso, G;
- Altarelli, M Pepe;
- Perazzini, S;
- Perego, DL;
- Trigo, E Perez;
- Yzquierdo, A Pérez-Calero;
- Perret, P;
- Perrin-Terrin, M;
- Pessina, G;
- Petrolini, A;
- Phan, A;
- Olloqui, E Picatoste;
- Valls, B Pie;
- Pietrzyk, B;
- Pilař, T;
- Pinci, D;
- Plackett, R;
- Playfer, S;
- Casasus, M Plo;
- Polok, G;
- Poluektov, A;
- Polycarpo, E;
- Popov, D;
- Popovici, B;
- Potterat, C;
- Powell, A;
- Prisciandaro, J;
- Pugatch, V;
- Navarro, A Puig;
- Qian, W;
- Rademacker, JH;
- Rakotomiaramanana, B;
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- Raniuk, I;
- Raven, G;
- Redford, S;
- Reid, MM;
- dos Reis, AC;
- Ricciardi, S;
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- Rodrigues, F;
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- Rogers, GJ;
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- Romanovsky, V;
- Rosello, M;
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- Sagidova, N;
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- Salzmann, C;
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- et al.
Abstract
The B s0→J/ψK S0 branching fraction is measured in a data sample corresponding to 0.41fb -1 of integrated luminosity collected with the LHCb detector at the LHC. This channel is sensitive to the penguin contributions affecting the sin2β measurement from B 0→J/ψK S0. The time-integrated branching fraction is measured to be B(B S0→J/ψK S0)=(1.83±0.28)×10 -5. This is the most precise measurement to date. © 2012 CERN.
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