1. Measurement of the ratio of branching fractions B(B-0 -> K*(0)gamma)/B(B-s(0) -> phi gamma)
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Aaij, R., Beteta, C. A., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., Albrecht, J., Alessio, F., Alexander, M., Alkhazov, G., Cartelle, P. A., Alves, A. A., Amato, S., Amhis, Y., Anderson, J., Appleby, R. B., Gutierrez, O. A., Archilli, F., Arrabito, L., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Bachmann, S., Back, J. J., Bailey, D. S., Balagura, V., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Bates, A., Bauer, C., Bauer, T., 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., Beuzekom, M. v., Bien, A., Bifani, S., Bird, T., Bizzeti, A., Bjornstad, P. M., Blake, T., Blanc, F., Blanks, C., Blouw, J., Blusk, S., Bobrov, A., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borgia, A., T. J. V., Bozzi, C., Brambach, T., Den, J. v., Bressieux, J., Brett, D., Britsch, M., Britton, T., Brook, N. H., Brown, H., Buechler Germann, A., Burducea, I., Bursche, A., Buytaert, J., Cadeddu, S., Callot, O., Calvi, M., Gomez, M. C., Camboni, A., Campana, P., Carbone, A., Carboni, G., Cardinale, Roberta, Cardini, A., Carson, L., Akiba, K. C., Casse, G., Cattaneo, M., Cauet, C., Charles, M., Charpentier, P., Chiapolini, N., Ciba, K., Vidal, X. C., Ciezarek, G., P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coca, C., Coco, V., Cogan, J., Collins, P., Comerma Montells, A., Constantin, F., Contu, A., Cook, A., Coombes, M., Corti, G., Couturier, B., Cowan, G. A., Currie, R., D'Ambrosio, C., David, P., P. N. Y., Bonis, I. D., Bruyn, K. D., Capua, S. D., Cian, M. D., Lorenzi, F. D., J. M., De, Paula, L. D., Simone, P. D., Decamp, D., Deckenhoff, M., Degaudenzi, H., Buono, L. D., Deplano, C., Derkach, D., Deschamps, O., Dettori, F., Dickens, J., Dijkstra, H., Batista, P. D., Bonal, F. D., Donleavy, S., Dordei, F., Suarez, A. D., Dossett, D., Dovbnya, A., Dupertuis, F., Dzhelyadin, R., Dziurda, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eijk, D. v., Eisele, F., Eisenhardt, S., Ekelhof, R., Eklund, L., Elsasser, C., Elsby, D., Pereira, D. E., Falabella, A., Fanchini, E., Faerber, C., Fardell, G., Farinelli, C., Farry, S., Fave, V., Albor, V. F., Ferro Luzzi, M., Filippov, S., Fitzpatrick, C., Fontana, M., Fontanelli, Flavio, Forty, R., Francisco, O., Frank, M., Frei, C., Frosini, M., Furcas, S., Torreira, A. G., Galli, D., Gandelman, M., Gandini, P., Gao, Y., Garnier, J. C., Garofoli, J., Tico, J. G., Garrido, L., Gascon, D., Gaspar, C., Gauld, R., Gauvin, N., Gersabeck, M., Gershon, T., Ghez, P., Gibson, V., Gligorov, V. V., Goebel, C., Golubkov, D., Golutvin, A., Gomes, A., Gordon, H., Gandara, M. G., Diaz, R. G., Granado, L. A., Grauges, E., Graziani, G., Grecu, A., Greening, E., Gregson, S., Gui, B., Gushchin, E., Guz, Y., Gys, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hampson, T., Hansmann Menzemer, S., Harji, R., Harnew, N., Harrison, J., Harrison, P. F., Hartmann, T., He, J., Heijne, V., Hennessy, K., Henrard, P., Hernando, J. A., Herwijnen, E. v., Hicks, E., Holubyev, K., Hopchev, P., Hulsbergen, W., Hunt, P., Huse, T., Huston, R. S., Hutchcroft, D., Hynds, D., Iakovenko, V., Ilten, P., Imong, J., Jacobsson, R., Jaeger, A., Hussein, M. J., Jans, E., Jansen, F., Jaton, P., Jean Marie, B., Jing, F., John, M., Johnson, D., Jones, C. R., Jost, B., Kaballo, M., Kandybei, S., Karacson, M., Karbach, T. M., Keaveney, J., Kenyon, I. R., Kerzel, U., Ketel, T., Keune, A., Khanji, B., Kim, Y. M., Knecht, M., Koopman, R. F., Koppenburg, P., Korolev, M., Kozlinskiy, A., Kravchuk, L., Kreplin, K., Kreps, M., Krocker, G., Krokovny, P., Kruse, F., Kruzelecki, K., Kucharczyk, M., Kvaratskheliya, T., V. N., La, Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lambert, R. W., Lanciotti, E., Lanfranchi, G., Langenbruch, C., Latham, T., Lazzeroni, C., Gac, R. L., Leerdam, J. v., Lees, J. P., Lefevre, R., Leflat, A., Lefrancois, J., Leroy, O., Lesiak, T., Li, L., Gioi, L. L., Lieng, M., Liles, M., Lindner, R., Linn, C., Liu, B., Liu, G., Loeben, J. v., Lopes, J. H., Asamar, E. L., Lopez March, N., Lu, H., Luisier, J., Raighne, A. M., Machefert, F., Machikhiliyan, I. V., Maciuc, F., Maev, O., Magnin, J., Malde, S., R. M. D., Manca, G., Mancinelli, G., Mangiafave, N., Marconi, U., Maerki, R., Marks, J., Martellotti, G., Martens, A., Martin, L., Sanchez, A. M., Santos, D. M., Massafferri, A., Mathe, Z., Matteuzzi, C., Matveev, M., Maurice, E., Maynard, B., Mazurov, A., Mcgregor, G., Mcnulty, R., Meissner, M., Merk, M., Merkel, J., Messi, R., Miglioranzi, S., Milanes, D. A., Minard, M. N., Rodriguez, J. M., Monteil, S., Moran, D., Morawski, P., Mountain, R., Mous, I., Muheim, F., Mueller, K., Muresan, R., Muryn, B., Muster, B., Musy, M., Mylroie Smith, J., Naik, P., Nakada, T., Nandakumar, R., Nasteva, I., Nedos, M., Needham, M., Neufeld, N., Nguyen, A. D., 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., Otalora, J. M., Owen, P., Pal, B. K., Palacios, J., Palano, A., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Parkes, C., Parkinson, C. J., Passaleva, G., Patel, G. D., Patel, M., Paterson, S. K., Patrick, G. N., Patrignani, Claudia, Pavel Nicorescu, C., Alvarez, A. P., Pellegrino, A., Penso, G., Altarelli, M. P., Perazzini, S., Perego, D. L., Trigo, E. P., Yzquierdo, A. P., Perret, P., Perrin Terrin, M., Pessina, G., Petrella, A., Petrolini, Alessandro, Phan, A., Olloqui, E. P., Valls, B. P., Pietrzyk, B., Pilar, T., Pinci, D., Plackett, R., Playfer, S., Casasus, M. P., Polok, G., Poluektov, A., Polycarpo, E., Popov, D., Popovici, B., Potterat, C., Powell, A., Prisciandaro, J., Pugatch, V., Navarro, A. P., Qian, W., Rademacker, J. H., Rakotomiaramanana, B., Rangel, M. S., Raniuk, I., Raven, G., Redford, S., Reid, M. M., Dos, A. C., Ricciardi, S., Richards, A., Rinnert, K., Roa, D. A., Robbe, P., Rodrigues, E., Rodrigues, F., Perez, P. R., Rogers, G. J., Roiser, S., Romanovsky, V., Rosello, M., Rouvinet, J., Ruf, T., Ruiz, H., Sabatino, G., Saborido, J. J., Sagidova, N., Sail, P., Saitta, B., Salzmann, C., Sannino, M., Santacesaria, R., Rios, C. S., Santinelli, R., Santovetti, E., Sapunov, M., Sarti, A., Satriano, C., Satta, A., Savrie, M., Savrina, D., Schaack, P., Schiller, M., Schleich, S., Schlupp, M., Schmelling, M., Schmidt, B., Schneider, O., Schopper, A., Schune, M. H., Schwemmer, R., Sciascia, B., Sciubba, A., Seco, M., Semennikov, A., Senderowska, K., Sepp, I., Serra, N., Serrano, J., Seyfert, P., Shapkin, M., Shapoval, I., Shatalov, P., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, O., Shevchenko, V., Shires, A., Coutinho, R. S., Skwarnicki, T., Smith, N. A., Smith, E., Sobczak, K., F. J. P., Solomin, A., Soomro, F., B. S., De, Spaan, B., Sparkes, A., Spradlin, P., Stagni, F., Stahl, S., Steinkamp, O., Stoica, S., Stone, S., Storaci, B., Straticiuc, M., Straumann, U., Subbiah, V. K., Swientek, S., Szczekowski, M., Szczypka, P., Szumlak, T., T'Jampens, S., Teodorescu, E., Teubert, F., Thomas, C., Thomas, E., Tilburg, J. v., Tisserand, V., Tobin, M., Tolk, S., Topp Joergensen, S., Torr, N., Tournefier, E., Tourneur, S., Tran, M. T., Tsaregorodtsev, A., Tuning, N., Garcia, M. U., Ukleja, A., Urquijo, P., Uwer, U., Vagnoni, V., Valenti, G., Gomez, R. V., Regueiro, P. V., Vecchi, S., Velthuis, J. J., Veltri, M., Viaud, B., Videau, I., Vieira, D., Vilasis Cardona, X., Visniakov, J., Vollhardt, A., Volyanskyy, D., Voong, D., Vorobyev, A., Voss, H., Wandernoth, S., Wang, J., Ward, D. R., Watson, N. K., Webber, A. D., Websdale, D., Whitehead, M., Wiedner, D., Wiggers, L., Wilkinson, G., Williams, M. P., Williams, M., Wilson, F. F., Wishahi, J., Witek, M., Witzeling, W., Wotton, S. A., Wyllie, K., Xie, Y., Xing, F., Xing, Z., Yang, Z., Young, R., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, F., Zhang, L., Zhang, W. C., Zhang, Y., Zhelezov, A., Zhong, L., Zvyagin, A., Collaboration, L., Aaij, R, Beteta, C, Adeva, B, Adinolfi, M, Adrover, C, Affolder, A, Ajaltouni, Z, Albrecht, J, Alessio, F, Alexander, M, Alkhazov, G, Cartelle, P, Alves, A, Amato, S, Amhis, Y, Anderson, J, Appleby, R, Gutierrez, O, Archilli, F, Arrabito, L, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Bachmann, S, Back, J, Bailey, D, Balagura, V, Baldini, W, Barlow, R, Barschel, C, Barsuk, S, Barter, W, Bates, A, Bauer, C, Bauer, T, 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, van Beuzekom, M, Bien, A, Bifani, S, Bird, T, Bizzeti, A, Bjornstad, P, 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, T, Bozzi, C, Brambach, T, van den Brand, J, Bressieux, J, Brett, D, Britsch, M, Britton, T, Brook, N, Brown, H, Buchler Germann, A, Burducea, I, Bursche, A, Buytaert, J, Cadeddu, S, Callot, O, Calvi, M, Gomez, M, Camboni, A, Campana, P, Carbone, A, Carboni, G, Cardinale, R, Cardini, A, Carson, L, Akiba, K, Casse, G, Cattaneo, M, Cauet, C, Charles, M, Charpentier, P, Chiapolini, N, Ciba, K, Vidal, X, Ciezarek, G, Clarke, P, Clemencic, M, Cliff, H, Closier, J, Coca, C, Coco, V, Cogan, J, Collins, P, Comerma Montells, A, Constantin, F, Contu, A, Cook, A, Coombes, M, Corti, G, Couturier, B, Cowan, G, Currie, R, D'Ambrosio, C, David, P, De Bonis, I, De Bruyn, K, De Capua, S, De Cian, M, De Lorenzi, F, De Miranda, J, De Paula, L, De Simone, P, Decamp, D, Deckenhoff, M, Degaudenzi, H, Del Buono, L, Deplano, C, Derkach, D, Deschamps, O, Dettori, F, Dickens, J, Dijkstra, H, Batista, P, Bonal, F, Donleavy, S, Dordei, F, Suarez, A, Dossett, D, Dovbnya, A, Dupertuis, F, Dzhelyadin, R, Dziurda, A, Easo, S, Egede, U, Egorychev, V, Eidelman, S, van Eijk, D, Eisele, F, Eisenhardt, S, Ekelhof, R, Eklund, L, Elsasser, C, Elsby, D, Pereira, D, Falabella, A, Fanchini, E, Farber, C, Fardell, G, Farinelli, C, Farry, S, Fave, V, Albor, V, Ferro Luzzi, M, Filippov, S, Fitzpatrick, C, Fontana, M, Fontanelli, F, Forty, R, Francisco, O, Frank, M, Frei, C, Frosini, M, Furcas, S, Torreira, A, Galli, D, Gandelman, M, Gandini, P, Gao, Y, Garnier, J, Garofoli, J, Tico, J, Garrido, L, Gascon, D, Gaspar, C, Gauld, R, Gauvin, N, Gersabeck, M, Gershon, T, Ghez, P, Gibson, V, Gligorov, V, Goebel, C, Golubkov, D, Golutvin, A, Gomes, A, Gordon, H, Gandara, M, Diaz, R, Cardoso, L, Grauges, E, Graziani, G, Grecu, A, Greening, E, Gregson, S, Gui, B, Gushchin, E, Guz, Y, Gys, T, Hadjivasiliou, C, Haefeli, G, Haen, C, Haines, S, Hampson, T, Hansmann Menzemer, S, Harji, R, Harnew, N, Harrison, J, Harrison, P, Hartmann, T, He, J, Heijne, V, Hennessy, K, Henrard, P, Morata, J, van Herwijnen, E, Hicks, E, Holubyev, K, Hopchev, P, Hulsbergen, W, Hunt, P, Huse, T, Huston, R, Hutchcroft, D, Hynds, D, Iakovenko, V, Ilten, P, Imong, J, Jacobsson, R, Jaeger, A, Hussein, M, Jans, E, Jansen, F, Jaton, P, Jean Marie, B, Jing, F, John, M, Johnson, D, Jones, C, Jost, B, Kaballo, M, Kandybei, S, Karacson, M, Karbach, T, Keaveney, J, Kenyon, I, Kerzel, U, Ketel, T, Keune, A, Khanji, B, Kim, Y, Knecht, M, Koopman, R, Koppenburg, P, Korolev, M, Kozlinskiy, A, Kravchuk, L, Kreplin, K, Kreps, M, Krocker, G, Krokovny, P, Kruse, F, Kruzelecki, K, Kucharczyk, M, Kvaratskheliya, T, La Thi, V, Lacarrere, D, Lafferty, G, Lai, A, Lambert, D, Lambert, R, Lanciotti, E, Lanfranchi, G, Langenbruch, C, Latham, T, Lazzeroni, C, Le Gac, R, van Leerdam, J, Lees, J, Lefevre, R, Leflat, A, Lefrancois, J, Leroy, O, Lesiak, T, Li, L, Gioi, L, Lieng, M, Liles, M, Lindner, R, Linn, C, Liu, B, Liu, G, von Loeben, J, Lopes, J, Asamar, E, Lopez March, N, Lu, H, Luisier, J, Mac Raighne, A, Machefert, F, Machikhiliyan, I, Maciuc, F, Maev, O, Magnin, J, Malde, S, Mamunur, R, Manca, G, Mancinelli, G, Mangiafave, N, Marconi, U, Marki, R, Marks, J, Martellotti, G, Martens, A, Martin, L, Sanchez, A, Santos, D, Massafferri, A, Mathe, Z, Matteuzzi, C, Matveev, M, Maurice, E, Maynard, B, Mazurov, A, Mcgregor, G, Mcnulty, R, Meissner, M, Merk, M, Merkel, J, Messi, R, Miglioranzi, S, Milanes, D, Minard, M, Rodriguez, J, Monteil, S, Moran, D, Morawski, P, Mountain, R, Mous, I, Muheim, F, Muller, K, Muresan, R, Muryn, B, Muster, B, Musy, M, Mylroie Smith, J, Naik, P, Nakada, T, Nandakumar, R, Nasteva, I, Nedos, M, Needham, M, Neufeld, N, Nguyen, A, 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, J, Owen, P, Pal, B, Palacios, J, Palano, A, Palutan, M, Panman, J, Papanestis, A, Pappagallo, M, Parkes, C, Parkinson, C, Passaleva, G, Patel, G, Patel, M, Paterson, S, Patrick, G, Patrignani, C, Pavel Nicorescu, C, Alvarez, A, Pellegrino, A, Penso, G, Altarelli, M, Perazzini, S, Perego, D, Trigo, E, Yzquierdo, A, Perret, P, Perrin Terrin, M, Pessina, G, Petrella, A, Petrolini, A, Phan, A, Olloqui, E, Valls, B, Pietrzyk, B, Pilar, T, Pinci, D, Plackett, R, Playfer, S, Casasus, M, Polok, G, Poluektov, A, Polycarpo, E, Popov, D, Popovici, B, Potterat, C, Powell, A, Prisciandaro, J, Pugatch, V, Navarro, A, Qian, W, Rademacker, J, Rakotomiaramanana, B, Rangel, M, Raniuk, I, Raven, G, Redford, S, Reid, M, dos Reis, A, Ricciardi, S, Richards, A, Rinnert, K, Romero, D, Robbe, P, Rodrigues, E, Rodrigues, F, Perez, P, Rogers, G, Roiser, S, Romanovsky, V, Rosello, M, Rouvinet, J, Ruf, T, Ruiz, H, Sabatino, G, Silva, J, Sagidova, N, Sail, P, Saitta, B, Salzmann, C, Sannino, M, Santacesaria, R, Rios, C, Santinelli, R, Santovetti, E, Sapunov, M, Sarti, A, Satriano, C, Satta, A, Savrie, M, Savrina, D, Schaack, P, Schiller, M, Schleich, S, Schlupp, M, Schmelling, M, Schmidt, B, Schneider, O, Schopper, A, Schune, M, Schwemmer, R, Sciascia, B, Sciubba, A, Seco, M, Semennikov, A, Senderowska, K, Sepp, I, Serra, N, Serrano, J, Seyfert, P, Shapkin, M, Shapoval, I, Shatalov, P, Shcheglov, Y, Shears, T, Shekhtman, L, Shevchenko, O, Shevchenko, V, Shires, A, Coutinho, R, Skwarnicki, T, Smith, N, Smith, E, Sobczak, K, Soler, F, Solomin, A, Soomro, F, De Paula, B, Spaan, B, Sparkes, A, Spradlin, P, Stagni, F, Stahl, S, Steinkamp, O, Stoica, S, Stone, S, Storaci, B, Straticiuc, M, Straumann, U, Subbiah, V, Swientek, S, Szczekowski, M, Szczypka, P, Szumlak, T, T'Jampens, S, Teodorescu, E, Teubert, F, Thomas, C, Thomas, E, van Tilburg, J, Tisserand, V, Tobin, M, Tolk, S, Topp Joergensen, S, Torr, N, Tournefier, E, Tourneur, S, Tran, M, Tsaregorodtsev, A, Tuning, N, Garcia, M, Ukleja, A, Urquijo, P, Uwer, U, Vagnoni, V, Valenti, G, Gomez, R, Regueiro, P, Vecchi, S, Velthuis, J, Veltri, M, Viaud, B, Videau, I, Vieira, D, Vilasis Cardona, X, Visniakov, J, Vollhardt, A, Volyanskyy, D, Voong, D, Vorobyev, A, Voss, H, Wandernoth, S, Wang, J, Ward, D, Watson, N, Webber, A, Websdale, D, Whitehead, M, Wiedner, D, Wiggers, L, Wilkinson, G, Williams, M, Wilson, F, Wishahi, J, Witek, M, Witzeling, W, Wotton, S, Wyllie, K, Xie, Y, Xing, F, Xing, Z, Yang, Z, Young, R, Yushchenko, O, Zangoli, M, Zavertyaev, M, Zhang, F, Zhang, L, Zhang, W, Zhang, Y, Zhelezov, A, Zhong, L, and Zvyagin, A
- Subjects
rare decay ,FIS/01 - FISICA SPERIMENTALE ,branching fraction ,flavor physics ,Decays ,B physics ,FIS/04 - FISICA NUCLEARE E SUBNUCLEARE ,experimental results - Abstract
The ratio of branching fractions of the radiative B decays B-0 -> K*(0)gamma and B(0)s -> phi gamma has been measured using 0.37 fb(-1) of pp collisions at a center of mass energy of root s = 7 TeV, collected by the LHCb experiment. The value obtained is B(B-0 -> K*(0)gamma)/B(B(0)s ->phi gamma) = 1.12 +/- 0.08(-0.04-0.08)(+0.06+0 .09), where the first uncertainty is statistical, the second systematic, and the third is associated with the ratio of fragmentation fractions f(s)/f(d). Using the world average for B(B-0 -> K*(0)gamma) = (4.33 +/- 0.15) x 10(-5), the branching fraction B(B(0)s -> phi gamma) is measured to be (3.9 +/- 0.5) x 10(-5), which is the most precise measurement to date.
- Published
- 2012