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Aaij, R, Beteta, C Abellan, Adeva, B, Adinolfi, M, Aidala, CA, Ajaltouni, Z, Akar, S, Albicocco, P, Albrecht, J, Alessio, F et al (show 834 more authors) , Alexander, M, Albero, A Alfonso, Alkhazov, G, Cartelle, P Alvarez, Alves, AA Jr, Amato, S, Amerio, S, Amhis, Y, An, L, Anderlini, L, Andreassi, G, Andreotti, M, Andrews, JE, Archilli, F, d'Argent, P, Romeu, J Arnau, 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, Barrand, GC, Barsuk, S, Barter, W, Bartolini, M, baryshnikov, F, Batozskaya, V, Batsukh, B, Battig, A, Battista, V, Bay, A, Beddow, J, Bedeschi, F, Bediaga, I, Beiter, A, Bel, LJ, Belin, S, 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, MO, van Beuzekom, M, Bezshyiko, Ia, Bhasin, S, Bhom, J, Bifani, S, 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Coco, V, Coelho, JAB, Cogan, J, Cogneras, E, Cojocariu, L, Collins, P, Colombo, T, Comerma-Montells, A, Contu, A, Coombs, G, Coquereau, S, Corti, G, Corvo, M, Sobral, CM Costa, Couturier, B, Cowan, GA, Craik, DC, Crocombe, A, Cruz Torres, M, Currie, R, D'Ambrosio, C, Da Cunha Marinho, F, Da Silva, CL, Dall'Occo, E, Dalseno, J, Danilina, A, Davis, A, Francisco, O De Aguiar, De Bruyn, K, De Capua, S, De Cian, M, De Miranda, JM, De Paula, L, De Serio, M, De Simone, P, Dean, CT, Decamp, D, Del Buono, L, Delaney, B, Dembinski, H-P, Demmer, M, Dendek, A, Derkach, D, Deschamps, O, Desse, F, Dettori, F, Dey, B, Di Canto, A, Di Nezza, P, Didenko, S, Dijkstra, H, Dordei, F, Dorigo, M, Dosil Suarez, 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, Eklund, L, Ely, S, Ene, A, Escher, S, Esen, S, Evans, T, Falabella, A, Farley, N, Farry, S, Fazzini, D, Declara, P Fernandez, Fernandez Prieto, A, Ferrari, F, Lopes, L Ferreira, Ferreira Rodrigues, F, Ferro-Luzzi, M, Filippov, S, Fini, RA, Fiorini, M, Firlej, M, Fitzpatrick, C, Fiutowski, T, Fleuret, F, Fontana, M, Fontanelli, F, Forty, R, Lima, V Franco, Frank, M, Frei, C, Fu, J, Funk, W, Farber, C, Feo, M, Gabriel, E, Gallas Torreira, A, Galli, D, Gallorini, S, Gambetta, S, Gan, Y, Gandelman, M, Gandini, P, Gao, Y, Garcia Martin, LM, Garcia Plana, B, Pardinas, J Garcia, Tico, J Garra, Garrido, L, Gascon, D, Gaspar, C, Gavardi, L, Gazzoni, G, Gerick, D, Gersabeck, E, Gersabeck, M, Gershon, T, Gerstel, D, Ghez, Ph, Gibson, V, Girard, OG, Gironella Gironell, P, Giubega, L, Gizdov, K, Gligorov, VV, Golubkov, D, Golutvin, A, Gomes, A, Gorelov, IV, Gotti, C, Govorkova, E, Grabowski, JP, Graciani Diaz, R, Cardoso, LA Granado, Grauges, E, Graverini, E, Graziani, G, Grecu, A, Greim, R, Griffith, P, Grillo, L, Gruber, L, Cazon, BR Gruberg, Gruenberg, O, Gu, C, Gushchin, E, Guth, A, Guz, Yu, Gys, T, Gobel, C, Hadavizadeh, T, Hadjivasiliou, C, Haefeli, G, Haen, C, Haines, SC, Hamilton, B, Han, X, Hancock, TH, Hansmann-Menzemer, S, Harnew, N, Harrison, T, Hasse, C, Hatch, M, He, J, Hecker, M, Heinicke, K, Heister, A, Hennessy, K ORCID: 0000-0002-1529-8087, Henry, L, van Herwijnen, E, Heuel, J, Hess, M, Hicheur, A, Charman, R Hidalgo, Hill, D, Hilton, M, Hopchev, PH, Hu, J, Hu, W, Huang, W, Huard, ZC, Hulsbergen, W, Humair, T, Hushchyn, M, Hutchcroft, D ORCID: 0000-0002-4174-6509, Hynds, D, Ibis, P, Idzik, M, Ilten, P, Inglessi, A, Inyakin, A, Ivshin, K, Jacobsson, R, 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, Khairullin, E, Khanji, B, Khurewathanakul, C, Kim, KE, Kirn, T, Kirsebom, VS, Klaver, S, Klimaszewski, K, Klimkovich, T, Koliiev, S, Kolpin, M, Kopecna, R, Koppenburg, P, Kostiuk, I, Kotriakhova, S, Kozeiha, M, Kravchuk, L, Kreps, M, Kress, F, Krokovny, P, Krupa, W, Krzemien, W, Kucewicz, W, Kucharczyk, M, Kudryavtsev, V, Kuonen, AK, Kvaratskheliya, T, Lacarrere, D, Lafferty, G, Lai, A, Lancierini, D, Lanfranchi, G, Langenbruch, C, Latham, T, Lazzeroni, C, Le Gac, R, At, Le, Lefevre, R, Lemaitre, F, Leroy, O, Lesiak, T, Leverington, B, Li, P-R, Li, Y, Li, Z, Liang, X, Likhomanenko, T, Lindner, R, Lionetto, F, Lisovskyi, V, Liu, G, Liu, X, Loh, D, Loi, A, Longstaff, I, Lopes, JH, Lovell, GH, Lucchesi, D, Lucio Martinez, M, 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, MW, Malde, S, Malecki, B, Malinin, A, Maltsev, T, Manca, G, Mancinelli, G, Marangotto, D, Maratas, J, Marchand, JF, Marconi, U, Benito, C Marin, Marinangeli, M, Marino, P, Marks, J, Marshall, PJ, Martellotti, G, Martinelli, M, 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(2021)
Observation of <i>CP</i> violation in two-body B<sub>(<i>s</i>)</sub><SUP>0</SUP>-meson decays to charged pions and kaons.
JOURNAL OF HIGH ENERGY PHYSICS, 03 (3).
075-.
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Open Access link.
Abstract
The time-dependent $CP$ asymmetries of $B^0\to \pi^+\pi^-$ and
$B^0_\mathrm{s}\!\to K^+K^-$ decays are measured using a data sample of $pp$
collisions corresponding to an integrated luminosity of 1.9 fb$^{-1}$,
collected with the LHCb detector at a centre-of-mass energy of 13 TeV. The
results are \begin{eqnarray*} C_{\pi\pi} & = & -0.311 \pm 0.045 \pm 0.015, \\
S_{\pi\pi} & = & -0.706 \pm 0.042 \pm 0.013, \\ C_{KK} & = & \phantom{-}0.164
\pm 0.034 \pm 0.014, \\ S_{KK} & = & \phantom{-}0.123 \pm 0.034 \pm 0.015, \\
\cal {A}^{\mathrm{\Delta\Gamma}}_{\mathit{KK}} & = & -0.83\phantom{0} \pm
0.05\phantom{0} \pm 0.09, \end{eqnarray*} where the first uncertainties are
statistical and the second systematic. The same data sample is used to measure
the time-integrated $CP$ asymmetries of $B^0\to K^+\pi^-$ and
$B^0_\mathrm{s}\to K^-\pi^+$ decays and the results are \begin{eqnarray*}
A_{CP}^{B^0} & = & -0.0824 \pm 0.0033 \pm 0.0033, \\ A_{CP}^{B^0_\mathrm{s}} &
= & \phantom{-}0.236\phantom{0} \pm 0.013\phantom{0} \pm 0.011. \end{eqnarray*}
All results are consistent with earlier measurements. A combination of LHCb
measurements provides the first observation of time-dependent $CP$ violation in
$B^0_\mathrm{s}$ decays.
Item Type: |
Article
|
Additional Information: |
All figures and tables, along with any supplementary material and
additional information, are available at
https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2020-029.html (LHCb
public pages) |
Uncontrolled Keywords: |
B physics, CP violation, Flavor physics, Hadron-Hadron scattering (experiments), Oscillation |
Divisions: |
Faculty of Science and Engineering > School of Physical Sciences |
Depositing User: |
Symplectic Admin
|
Date Deposited: |
21 Apr 2021 10:17 |
Last Modified: |
17 Oct 2023 19:10 |
DOI: |
10.1007/JHEP03(2021)075 |
Open Access URL: |
https://link.springer.com/content/pdf/10.1007/JHEP... |
Related URLs: |
|
URI: |
https://livrepository.liverpool.ac.uk/id/eprint/3120038 |