Angular analysis of the $B^{0} o K^{*0} \mu^{+} \mu^{-}$ decay using 3 fb$^{-1}$ of integrated luminosity
| Popis: | An angular analysis of the B0 → K*0(→ K+π−)μ+μ− decay is presented. The dataset corresponds to an integrated luminosity of 3.0 fb−1 of pp collision data collected at the LHCb experiment. The complete angular information from the decay is used to determine CP-averaged observables and CP asymmetries, taking account of possible contamination from decays with the K+π− system in an S-wave configuration. The angular observables and their correlations are reported in bins of q2, the invariant mass squared of the dimuon system. The observables are determined both from an unbinned maximum likelihood fit and by using the principal moments of the angular distribution. In addition, by fitting for q2-dependent decay amplitudes in the region 1.1 < q2 < 6.0 GeV2/c4, the zero-crossing points of several angular observables are computed. A global fit is performed to the complete set of CP-averaged observables obtained from the maximum likelihood fit. This fit indicates differences with predictions based on the Standard Model at the level of 3.4 standard deviations. These differences could be explained by contributions from physics beyond the Standard Model, or by an unexpectedly large hadronic effect that is not accounted for in the Standard Model predictions.[Figure not available: see fulltext.] |
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| Popis souboru: | application/pdf; ELETTRONICO |
| Jazyk: | English |
| ISSN: | 1029-8479 |
| DOI: | 10.18154/RWTH-2017-07945 |
| DOI: | 10.1007/JHEP02(2016)104 |
| Přístupová URL adresa: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab39650b755b1e2483d83046577ef305 https://publications.rwth-aachen.de/record/698811 |
| Rights: | OPEN |
| Přírůstkové číslo: | edsair.doi.dedup.....ab39650b755b1e2483d83046577ef305 |
| Autor: | Aaij, R., Beteta, Abelian, Adeva, C., Adinolfi, B., Affolder, M., Ajaltouni, A., Akar, Z., Albrecht, S., Alessio, J., Alexander, F., Ali, M., Alkhazov, S., Cartelle, G., Alvarez, Alves, P., Jr, ., Amato, A. A., Arnerio, S., Arnhis, S., An, Y., Anderlini, L., Andreassi, L., Andreotti, G., Andrews, M., Appleby, J. E., Gutierrez, R. B., Aquines, Archilli, O., d�rgent, F., Artamonov, P., Artuso, A., Aslanides, M., Auriemma, E., Baalouch, G., Bachmann, M., Back, S., Badalov, J. J., Baesso, A., Baldini, C., Barlow, W., Barschel, R. J., Barsuk, C., Barter, S., Batozskaya, W., Battista, V., Bay, V., Beaucourt, A., Beddow, L., Bedeschi, J., Bediaga, F., Bel, I., Bellee, L. J., Belloli, V., Belyaev, N., Ben Haim, I., Bencivenni, E., Benson, G., Benton, S., Berezhnoy, J., Bernet, A., Bertolin, R., Bettler, A., van Beuzekom, M. O., Bifani, M., Billoir, S., Bird, P., Birnkraut, T., Bizzeti, A., Blake, A., Blanc, T., Blouw, F., Blusk, J., Bocci, S., Bondar, V., Bondar, A., Bonivento, N., Borghi, W., Borisyak, S., Borsato, M., Bowcock, M., Bowen, T. J. V., Bozzi, E., Braun, C., Britsch, S., Britton, M., Brodzicka, T., Brook, J., Buchanan, N. H., Burr, E., Bursche, C., Buytaert, A., Cadeddu, J., Calabrese, S., Calvi, R., Calvo Gomez, M., Campana, M., Perez, P., Campora, Capriotti, D., Carbone, L., Carboni, A., Cardinale, Roberta, Cardini, R., Carniti, A., Carson, P., Carvalho Akiba, L., Casse, K., Cassina, G., Garcia, L., Castillo, Cattaneo, L., Cauetl, M., Cavallero, Giovanni, Cencit, G., Charles, R., Charpentier, M., Chefdeville, Ph and, Chen, M., Cheung, S., Chiapolini, S. F., Chrzaszcz, N., Vidal, M., Cid, Ciezarek, X., Clarke, G., Clemencic, P. E. L., Cliff, M., Closier, H. V., Coco, J., Cogan, V., Cogneras, J., Cogoni, E., Cojocariu, V., Collazuol, L., Collins, G., Comerma Montells, P., Contu, A., Cook, A., Coombes, A., Coquereau, M., Corti, S., Corvo, G., Couturier, M., Cowan, B., Craik, G. A., Crocombe, D. C., Cruz Torres, A., Cunliffe, M., Currie, S., D�mbrosio, R., Dall�cco, C., Dalseno, E., David, J., Davis, P. N. Y., De Aguiar Francisco, A., De Bruyn, O., De Capua, K., De Cian, S., De Miranda, M., De Paula, J. M., De Simone, L., Dean, P., Decamp, C. T., Deckenhoff, D., Del Buono, M., Deleage, L., Demmer, N., Derkach, M., Deschamps, D., Dettori, O., Dey, F., Di Canto, B., Di Ruscio, A., Dijkstra, F., Donleavy, H., Dordei, S., Dorigo, F., Dosil Suarez, M., Dovbnya, A., Dreimanis, A., Dufour, K., Dujany, L., Dungs, G., Durante, K., Dzhelyadin, P., Dziurda, R., Dzyuba, A., Easo, A., Egede, S., Egorychev, U., Eidelman, V., Eisenhardt, S., Eitschberger, S., Ekelhof, U., Eklund, R., El Rifai, L., Elsasser, I., Ely, Ch and, Esen, S., Evans, S., Evans, H. M., Fabianska, T., Falabella, M., Faerber, A., Farley, C., Farry, N., Fay, S., Ferguson, R., Fernandez Albor, D., Ferrari, V., Ferreira Rodrigues, F., Ferro Luzzi, F., Filippov, M., Fiore, S., Fiorini, M., Firlej, M., Fitzpatrick, M., Fiutowski, C., Fleuret, T., Fohl, F., Fol, K., Fontana, P., Fontanelli, Flavio, Forshaw, F., Forty, D. C., Frank, R., Frei, M., Frosini, C., Fu, M., Furfaro, J., Gallas Torreira, E., Galli, A., Gallorini, D., Gambetta, Silvia, Gandelman, S., Gandini, M., Gao, P., Garcia Pardinas, Y., Tico, J., Garra, Garrido, J., Gascon, L., Gaspar, D., Gauld, C., Gavardi, R., Gazzoni, L., Gerick, G., Gersabeck, D., Gersabeck, E., Gershon, M., Ghez, T., Giani, Ph and, Gibson, S., Girard, V., Giubega, O. G., Gligorov, L., Goebel, V. V., Golubkov, C., Golutvin, D., Gomes, A., Gotti, A., Gandara, C., Grabalosa, Graciani Diaz, M., Cardoso, R., Granado, Grauges, L. A., Graverini, E., Graziani, E., Grecu, G., Greening, A., Griffith, E., Grillo, P., Gruenberg, L., Gui, O., Gushchin, B., Guz, E., Gys, Yu and, Hadavizadeh, T., Hadjivasiliou, T., Haefeli, C., Haen, G., Haines, C., Hall, S. C., Hamilton, S., Han, B., Hansmann Menzemer, X., Harnew, S., Harnew, N., Harrison, S. T., He, J., Head, J., Heijne, T., Heister, V., Hennessy, A., Henrard, K., Henry, P., Hernando Morata, L., van Herwijnen, J. A., Hess, E., Hicheur, M., Hill, A., Hoballah, D., Hombach, M., Hulsbergen, C., Humair, W., Hushchyn, T., Hussain, M., Hutchcroft, N., Hynds, D., Idzik, D., Ilten, M., Jacobsson, P., Jaeger, R., Jalocha, A., Jans, J., Jawahery, E., John, A., Johnson, M., Jones, D., Joram, C. R., Jost, C., Jurik, B., Kandybei, N., Kanso, S., Karacson, W., Karbach, M., Karodia, T. M., Kecke, S., Kelsey, M., Kenyon, M., Kenzie, I. R., Ketel, M., Khairullin, T., Khanji, E., Khurewathanakul, B., Kirn, C., Klaver, T., Klimaszewski, S., Kochebina, K., Kolpin, O., Komarov, M., Koopman, I., Koppenburg, R. F., Kucewicz, P., Kravchuk, M., Kreplin, L., Kreps, K., Krokovny, M., Kruse, P., Krzemien, F., Kucewicz, W., Kucharczyk, W., Kudryavtsev, M., Kuonen, V., Kurek, A. K., Kvaratskheliya, K., Lacarrere, T., Lafferty, D., Lai, G., Lambert, A., Lanfranchi, D., Langenbruch, G., Langhans, C., Latham, B., Lazzeroni, T., Le Gac, C., van Leerdam, R., Lees, J., Lefevre, J. P., Leflat, R., Lefrancois, A., Lemos Cid, J., Leroy, E., Lesiak, O., Leverington, T., Li, B., Likhomanenko, Y., Liles, T., Lindner, M., Linn, R., Lionetto, C., Liu, F., Liu, B., Loh, X., Longstaff, D., Lopes, I., Lucchesir, J. H., Lucio Martinez, D., Luo, M., Lupato, H., Luppi, A., Lupton, E., Lusiani, O., Machefert, A., Maciuc, F., Maev, F., Maguire, O., Malde, K., Malinin, S., Manca, A., Mancinelli, G., Manning, G., Mapelli, P., Maratas, A., Marchand, J., Marconi, J. F., Marin Benito, U., Marinot, C., Marks, P., Martellotti, J., Martin, G., Martinelli, M., Martinez Santos, M., Martinez Vidal, D., Martins Tostes, F., Massacrier, D., Massafferri, L. M., Matev, A., Mathad, R., Mathe, A., Matteuzzi, Z., Mauri, C., Maurin, A., Mazurov, B., Mccann, A., Mccarthy, M., Mcnab, J., Mcnulty, A., Meadows, R., Meier, B., Meissner, F., Melnychuk, M., Merk, D., Michielin, M., Milanes, E., Minard, D. A., Mitzel, M. N., Molina Rodriguez, D. S., Monroy, J., Monteil, I. A., Morandin, S., Morawski, M., Morda, P., Morello, A., Moron, M. J., Morris, J., Mountain, A. B., Muheim, R., Mueller, F., Mueller, D., Mueller, J., Mueller, K., Mussini, V., Muster, M., Naik, B., Nakada, P., Nandakumar, T., Nandi, R., Nasteva, A., Needham, I., Neri, M., Neubert, N., Neufeld, S., Neuner, N., Nguyen, M., Nguyen, A. D., Nguyen Mau, T. D., Niess, C., Niet, V., Nikitin, R., Nikodem, N., Novoselov, T., Oh?anlon, A., Oblakowska Mucha, D. P., Obraztsov, A., Ogilvy, V., Okhrimenko, S., Oldeman, O., Onderwater, R., Osorio Rodrigues, C. J. G., Otalora Goicochea, B., Otto, J. M., Owen, A., Oyanguren, P., Palano, A., Palombo, A., Palutan, F., Panman, M., Papanestis, J., Pappagallo, A., Pappalardo, M., Pappenheimer, L. L., Parker, C., Parkes, W., Passaleva, C., Patel, G., Patel, G. D., Patrignani, M., Pearce, C., Pellegrino, A., Penso, A., Altarelli, G., Pepe, Perazzini, M., Perret, S., Pescatore, P., Petridis, L., Petrolini, Alessandro, Petruzzo, A., Picatoste Olloqui, M., Pietrzyk, E., Pikies, B., Pinci, M., Pistone, Alessandro, Piucci, A., Playfer, A., Plo Casasus, S., Poikela, M., Polci, T., Poluektov, F., Polyakov, A., Polycarpo, I., Popov, E., Popov, A., Popovici, D., Potterat, B., Price, C., Price, E., Prisciandaro, J. D., Pritchard, J., Prouve, A., Pugatch, C., Navarro, V., Puig, Punzis, A., Qian, G., Quagliani, W., Rachwal, R., Rademacker, B., Rama, J. H., Ramos Pernas, M., Rangel, M., Raniuk, M. S., Rauschmayr, I., Raven, N., Redi, G., Reichert, F., dos Reis, S., Renaudin, A. C., Ricciardi, V., Richards, S., Rihl, S., Rinnert, M., Rives Molina, K., Robbe, V., Rodrigues, P., Rodrigues, A. B., Lopez, E., Rodriguez, Perez, J. A., Roiser, P., Romanovsky, S., Romero Vidal, V., Ronayne, A., Rotondo, J. W., Ruf, M., Ruiz Valls, T., Saborido Silva, P., Sagidova, J. J., Saitta, N., Salustino Guimaraes, B., Sanchez Mayordomo, V., Sanmartin Sedes, C., Santacesaria, B., Santamarina Rios, R., Santimaria, C., Santovetti, M., Sarti, E., Satriano, A., Satta, C., Saunders, A., Savrina, D. M., Schae, D., Schiller, S., Schindler, M., Schlupp, H., Schmelling, M., Schmelzer, M., Schmidt, T., Schneider, B., Schopper, O., Schubiger, A., Schune, M., Schwemmer, M. H., Sciascia, R., Sciubbam, B., Semennikov, A., Sergi, A., Serra, A., Serrano, N., Sestini, J., Seyfert, L., Shapkin, P., Shapoval, M., Shcheglov, I., Shears, Y., Shekhtman, T., Shevchenko, L., Shires, V., Siddi, A., Coutinho, B. G., Silva, Silva de Oliveira, R., Simi, L., Sirendi, G., Skidmore, M., Skwarnicki, N., Smith, T., Smith, E., Smith, I. T., Smith, J., Snoek, M., Sokoloff, H., Soler, ? M. D., Soomro, F. J. P., Souza, F., Souza De Paula, D., Spaanl, B., Spradlin, B., Sridharan, P., Stagni, S., Stahl, F., Stahl, M., Stefkova, S., Steinkamp, S., Stenyakin, O., Stevenson, O., Stoica, S., Stone, S., Storaci, S., Stracka, B., Straticiuc, S., Straumann, M., Sun, U., Sutcliffe, L., Swientek, W., Swientekl, K., Syropoulos, S., Szczekowski, V., Szumlak, M., Tj?ampens, T., Tayduganov, S., Tekampe, A., Tellarini, T., Teubert, G., Thomas, F., Thomas, C., van Tilburg, E., Tisserand, J., Tobin, V., Todd, M., Tolk, J., Tomassetti, S., Tonelli, L., Topp Joergensen, D., Torr, S., Tournefier, N., Tourneur, E., Trabelsi, S., Traill, K., Tran, M., Tresch, M. T., Trisovic, M., Tsaregorodtsev, A., Tsopelas, A., Tuning, P., Ukleja, N., Ustyuzhanin, A., Uwer, A., Vacca, U., Vagnoni, C., Valenti, V., Vallier, G., Gomez, A., Vazquez, Vazquez Regueiro, R., Vazquez Sierra, P., Vecchi, C., van Veghel, S., Velthuis, M., Veltri, J. J., Veneziano, M., Vesterinen, G., Viaud, M., Vieira, B., Vieites Diaz, D., Vilasis Cardona, M., Volkov, X., Vollhardt, V., Voong, A., Vorobyev, D., Vorobyev, A., Voss, V., de Vries, C., Waldi, J. A., Wallace, R., Wallace, C., Walsh, R., Wang, J., Ward, J., Watson, D. R., Websdale, N. K., Weiden, D., Whitehead, A., Wicht, M., Wilkinson, J., Wilkinson, G., Williams, M., Williams, M. P., Wilson, T., Wimberley, F. F., Wishahi, J., Wislicki, J., Witek, W., Wormser, M., Wotton, G., Wraight, S. A., Wright, K., Wyllie, S., Xie, K., Xu, Y., Yang, Z., Yu, Z., Yuan, J., Yushchenko, X., Zangoli, O., Zavertyaev, M., Zhang, M., Zhang, L., Zhelezov, Y., Zhokhov, A., Zhong, A., Zhukov, L., Zucchelli, V., S, ., Collaboration, Lhcb |
| Přispěvatelé: | Precision Frontier, Aaij, R, Abellán Beteta, C, Adeva, B, Adinolfi, M, Affolder, A, Ajaltouni, Z, Akar, S, Albrecht, J, Alessio, F, Alexander, M, Ali, S, Alkhazov, G, Alvarez Cartelle, P, Alves, A, Amato, S, Amerio, S, Amhis, Y, An, L, Anderlini, L, Andreassi, G, Andreotti, M, Andrews, J, Appleby, R, Aquines Gutierrez, O, Archilli, F, D’Argent, P, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Baalouch, M, Bachmann, S, Back, J, Badalov, A, Baesso, C, Baldini, W, Barlow, R, Barschel, C, Barsuk, S, Barter, W, Batozskaya, V, Battista, V, Bay, A, Beaucourt, L, Beddow, J, Bedeschi, F, Bediaga, I, Bel, L, Bellee, V, Belloli, N, Belyaev, I, Ben Haim, E, Bencivenni, G, Benson, S, Benton, J, Berezhnoy, A, Bernet, R, Bertolin, A, Bettler, M, van Beuzekom, M, Bifani, S, Billoir, P, Bird, T, Birnkraut, A, Bizzeti, A, Blake, T, Blanc, F, Blouw, J, Blusk, S, Bocci, V, Bondar, A, Bondar, N, Bonivento, W, Borghi, S, Borisyak, M, Borsato, M, Bowcock, T, Bowen, E, Bozzi, C, Braun, S, Britsch, M, Britton, T, Brodzicka, J, Brook, N, Buchanan, E, Burr, C, Bursche, A, Buytaert, J, Cadeddu, S, Calabrese, R, Calvi, M, Calvo Gomez, M, Campana, P, Campora Perez, D, Capriotti, L, Carbone, A, Carboni, G, Cardinale, R, Cardini, A, Carniti, P, Carson, L, Carvalho Akiba, K, Casse, G, Cassina, L, Castillo Garcia, L, Cattaneo, M, Cauet, C, Cavallero, G, Cenci, R, Charles, M, Charpentier, P, Chefdeville, M, Chen, S, Cheung, S, Chiapolini, N, Chrzaszcz, M, Cid Vidal, X, Ciezarek, G, Clarke, P, Clemencic, M, Cliff, H, Closier, J, Coco, V, Cogan, J, Cogneras, E, Cogoni, V, Cojocariu, L, Collazuol, G, Collins, P, Comerma Montells, A, Contu, A, Cook, A, Coombes, M, Coquereau, S, Corti, G, Corvo, M, Couturier, B, Cowan, G, Craik, D, Crocombe, A, Cruz Torres, M, Cunliffe, S, Currie, R, D’Ambrosio, C, Dall’Occo, E, Dalseno, J, David, P, Davis, A, De Aguiar Francisco, O, De Bruyn, K, De Capua, S, De Cian, M, De Miranda, J, De Paula, L, De Simone, P, Dean, C, Decamp, D, Deckenhoff, M, Del Buono, L, Déléage, N, Demmer, M, Derkach, D, Deschamps, O, Dettori, F, Dey, B, Di Canto, A, Di Ruscio, F, Dijkstra, H, Donleavy, S, Dordei, F, Dorigo, M, Dosil Suárez, A, Dovbnya, A, Dreimanis, K, Dufour, L, Dujany, G, Dungs, K, Durante, P, Dzhelyadin, R, Dziurda, A, Dzyuba, A, Easo, S, Egede, U, Egorychev, V, Eidelman, S, Eisenhardt, S, Eitschberger, U, Ekelhof, R, Eklund, L, El Rifai, I, Elsasser, C, Ely, S, Esen, S, Evans, H, Evans, T, Fabianska, M, Falabella, A, Färber, C, Farley, N, Farry, S, Fay, R, Ferguson, D, Fernandez Albor, V, Ferrari, F, Ferreira Rodrigues, F, Ferro Luzzi, M, Filippov, S, Fiore, M, Fiorini, M, Firlej, M, Fitzpatrick, C, Fiutowski, T, Fleuret, F, Fohl, K, Fol, P, Fontana, M, Fontanelli, F, Forshaw, D, Forty, R, Frank, M, Frei, C, Frosini, M, Fu, J, Furfaro, E, Gallas Torreira, A, Galli, D, Gallorini, S, Gambetta, S, Gandelman, M, Gandini, P, Gao, Y, García Pardiñas, J, Garra Tico, J, Garrido, L, Gascon, D, Gaspar, C, Gauld, R, Gavardi, L, Gazzoni, G, Gerick, D, Gersabeck, E, Gersabeck, M, Gershon, T, Ghez, P, Gianì, S, Gibson, V, Girard, O, Giubega, L, Gligorov, V, Göbel, C, Golubkov, D, Golutvin, A, Gomes, A, Gotti, C, Grabalosa Gándara, M, Graciani Diaz, R, Granado Cardoso, L, Graugés, E, Graverini, E, Graziani, G, Grecu, A, Greening, E, Griffith, P, Grillo, L, Grünberg, O, Gui, B, Gushchin, E, Guz, Y, Gys, T, Hadavizadeh, T, Hadjivasiliou, C, Haefeli, G, Haen, C, Haines, S, Hall, S, Hamilton, B, Han, X, Hansmann Menzemer, S, Harnew, N, Harnew, S, Harrison, J, He, J, Head, T, Heijne, V, Heister, A, Hennessy, K, Henrard, P, Henry, L, Hernando Morata, J, van Herwijnen, E, Heß, M, Hicheur, A, Hill, D, Hoballah, M, Hombach, C, Hulsbergen, W, Humair, T, Hushchyn, M, Hussain, N, Hutchcroft, D, Hynds, D, Idzik, M, Ilten, P, Jacobsson, R, Jaeger, A, Jalocha, J, Jans, E, Jawahery, A, John, M, Johnson, D, Jones, C, Joram, C, Jost, B, Jurik, N, Kandybei, S, Kanso, W, Karacson, M, Karbach, T, Karodia, S, Kecke, M, Kelsey, M, Kenyon, I, Kenzie, M, Ketel, T, Khairullin, E, Khanji, B, Khurewathanakul, C, Kirn, T, Klaver, S, Klimaszewski, K, Kochebina, O, Kolpin, M, Komarov, I, Koopman, R, Koppenburg, P, Kozeiha, M, Kravchuk, L, Kreplin, K, Kreps, M, Krokovny, P, Kruse, F, Krzemien, W, Kucewicz, W, Kucharczyk, M, Kudryavtsev, V, Kuonen, A, Kurek, K, Kvaratskheliya, T, Lacarrere, D, Lafferty, G, Lai, A, Lambert, D, Lanfranchi, G, Langenbruch, C, Langhans, B, Latham, T, Lazzeroni, C, Le Gac, R, van Leerdam, J, Lees, J, Lefèvre, R, Leflat, A, Lefrançois, J, Lemos Cid, E, Leroy, O, Lesiak, T, Leverington, B, Li, Y, Likhomanenko, T, Liles, M, Lindner, R, Linn, C, Lionetto, F, Liu, B, Liu, X, Loh, D, Longstaff, I, Lopes, J, Lucchesi, D, Lucio Martinez, M, Luo, H, Lupato, A, Luppi, E, Lupton, O, Lusiani, A, Machefert, F, Maciuc, F, Maev, O, Maguire, K, Malde, S, Malinin, A, Manca, G, Mancinelli, G, Manning, P, Mapelli, A, Maratas, J, Marchand, J, Marconi, U, Marin Benito, C, Marino, P, Marks, J, Martellotti, G, Martin, M, 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| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
FCNC Interaction
B physic Physics beyond the Standard Model Hadron 7000 GeV-cms8000 GeV-cms 7. Clean energy 01 natural sciences violation [CP] Standard deviation B physics Luminosity Settore FIS/04 - Fisica Nucleare e Subnucleare Physics Particles & Fields Neutral current Flavor physics RARE scattering [p p] Invariant mass Physics 02 Physical Sciences new physics Settore FIS/01 - Fisica Sperimentale Observable Nuclear & Particles Physics mass dependence Amplitude CERN LHC Coll Hadron interactions asymmetry [angular distribution] Physical Sciences Hadron-Hadron scattering Rare decay Nuclear and High Energy Physics LHC B0 --> K*(892)0 muon+ muon colliding beams [p p] Particle physics data analysis method Models beyond the standard model semileptonic decay [B0] CP [asymmetry] Partícules (Física nuclear) Standard Model NO Nuclear physics PP COLLISIONS TEV TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY 0103 physical sciences Leptonic semileptonic and radiative decays of bottom meson ddc:530 pair production [muon] 010306 general physics 01 Mathematical Sciences Particles (Nuclear physics) (K+ pi-) [mass spectrum] Science & Technology 010308 nuclear & particles physics hep-ex Interaccions d'hadrons Rare decay Hadron-Hadron scattering FCNC Interaction B physics Flavor physics LHC-B HEP LHCb correlation Flavor physic Bottom mesons (|B|>0) High Energy Physics::Experiment hadronic [effect] experimental results |
| Zdroj: | ii, 90 Seiten : Illustrationen (2015). doi:10.18154/RWTH-2017-07945 Journal of High Energy Physics. SPRINGER ISSUE=2;ISSN=1029-8479;TITLE=Journal of High Energy Physics Journal of high energy physics : JHEP 2016(2), 104 (2016). doi:10.1007/JHEP02(2016)104 Journal of High Energy Physics, 2016(2):104, 1-79. Springer Verlag Recercat. Dipósit de la Recerca de Catalunya instname Aaij, R, Abellán Beteta, C, Adeva, B, Adinolfi, M, Affolder, A, Ajaltouni, Z, Akar, S, Albrecht, J, Alessio, F, Alexander, M, Ali, S, Alkhazov, G, Alvarez Cartelle, P, Alves, A A, Amato, S, Amerio, S, Amhis, Y, Everse, LA, Anderlini, L, Andreassi, G, Andreotti, M, Andrews, J E, Appleby, R B, Aquines Gutierrez, O, Archilli, F, d’Argent, P, Artamonov, A, Artuso, M, Aslanides, E, Carvalho Akiba, K, Coco, V, David, P N Y, De Bruyn, K, Ferro-Luzzi, M, Heijne, V, Ketel, T, Koopman, R F, van Leerdam, J, Merk, M, Onderwater, C J G, Raven, G, Schiller, M, Serra, N, Snoek, H, Storaci, B, Syropoulos, V, van Tilburg, J, Tolk, S, Tsopelas, P, Tuning, N & The LHCb collaboration 2016, ' Angular analysis of the B 0 → K *0 μ + μ − decay using 3 fb −1 of integrated luminosity ', Journal of High Energy Physics, vol. 2016, no. 2, 104, pp. 1-79 . https://doi.org/10.1007/JHEP02(2016)104 Dipòsit Digital de la UB Universidad de Barcelona Journal of High Energy Physics |
| ISSN: | 1029-8479 |
| DOI: | 10.18154/RWTH-2017-07945 |
| Popis: | An angular analysis of the B0 → K*0(→ K+π−)μ+μ− decay is presented. The dataset corresponds to an integrated luminosity of 3.0 fb−1 of pp collision data collected at the LHCb experiment. The complete angular information from the decay is used to determine CP-averaged observables and CP asymmetries, taking account of possible contamination from decays with the K+π− system in an S-wave configuration. The angular observables and their correlations are reported in bins of q2, the invariant mass squared of the dimuon system. The observables are determined both from an unbinned maximum likelihood fit and by using the principal moments of the angular distribution. In addition, by fitting for q2-dependent decay amplitudes in the region 1.1 < q2 < 6.0 GeV2/c4, the zero-crossing points of several angular observables are computed. A global fit is performed to the complete set of CP-averaged observables obtained from the maximum likelihood fit. This fit indicates differences with predictions based on the Standard Model at the level of 3.4 standard deviations. These differences could be explained by contributions from physics beyond the Standard Model, or by an unexpectedly large hadronic effect that is not accounted for in the Standard Model predictions.[Figure not available: see fulltext.] |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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