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Measurement of CP Violation in B^{0}→ψ(→ℓ^{+}ℓ^{-})K_{S}^{0}(→π^{+}π^{-}) Decays.

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成果类型:
期刊论文
作者:
Aaij, R;Abdelmotteleb, A S W;Abellan Beteta, C;Abudinén, F;Ackernley, T;...
作者机构:
[Jans, E; van Veghel, M; Hulsbergen, W; Biolchini, A; Koppenburg, P; Galati, M D; Greeven, L M; Merk, M; Lukashenko, V; Heijhoff, K; Pellegrino, A; de Boer, J; Schubiger, M; Magdalinski, D; Kostiuk, I; Butter, J S; Ketel, T; Sanchez Gras, C; Graziani, G; Kotriakhova, S; Aaij, R; Ferreres Sole, S; Snoch, A; Gabriel, E; Tuning, N; Bizzeti, A; Akiba, K; Geertsema, R E] Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands
[Xu, M; Pagare, B; Grazette, L; Abdelmotteleb, A S W; Muhammad, E; Monk, M; Ward, J A; Paolucci, L; Davidson, A; Wiederhold, A R; Swystun, F; Henderson, R D L; Latham, T; Beck, A; Gershon, T; Graziani, G; Kotriakhova, S; Ramos Pernas, M; Blake, T; Cicala, M F; Bizzeti, A; Jones, T P; Vesterinen, M; Hunter, R J; Back, J J; Kreps, M; Abudinén, F] Department of Physics, University of Warwick, Coventry, United Kingdom
[Mathad, A; Bezshyiko, Ia; Owen, P; Serra, N; Buonaura, A; Andersson, M; Bellee, V; Wang, Z; Steinkamp, O; Abellan Beteta, C; Andreola, P; Müller, K; Esen, S; Ferrillo, M; Denysenko, V; Graziani, G; Kotriakhova, S; Lancierini, D; Craik, D C; De Simone, D; Eschle, J; Bernet, R; Bizzeti, A; Terentev, A; Manzari, C A; Betancourt, C] Physik-Institut, Universität Zürich, Zürich, Switzerland
[Hennessy, K; Ackernley, T; Chadwick, A J; Harrison, T; Bowcock, T J V; Hutchcroft, D; Brown, J; Naik, P; Chavez Barajas, C A; Howarth, N; Farry, S; Vilella Figueras, E; Rinnert, K; Marshall, P J; Shears, T; Graziani, G; Kotriakhova, S; Halewood-Leagas, T; Hammerich, J; Casse, G; Bizzeti, A; Scherl, S; Rodrigues, E] Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom
[Prouve, C; López Soliño, S; Rodriguez Rodriguez, E; Gallas Torreira, A; Vazquez Regueiro, P; Lomba Castro, J; Rodriguez Fernandez, E; Baladron Rodriguez, P; Fernandez Gomez, M; Vázquez Sierra, C; Corredoira, I; Romero Lamas, M; Chobanova, V; Adeva, B; Brossa Gonzalo, A; Casais Vidal, A; Cid Vidal, X; Pereiro Castro, A; Cambon Bouzas, J; Santamarina Rios, C; Plo Casasus, M; Dalseno, J; Novoa Fernandez, J; Gioventù, A; Graziani, G; Kotriakhova, S; Brea Rodriguez, A; Sellam, S; Carcedo Salgado, L; Romero Vidal, A; Van Hulse, C B; Belin, S; Garcia Plana, B; Eirea Orro, C; Bizzeti, A; Martinez Santos, D; Mombächer, T; Saborido Silva, J J; Ruiz Fernandez, R A; Landesa Gomez, C; Morcillo Gomez, A] Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2024
卷:
132
期:
2
页码:
021801
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
摘要:
A measurement of time-dependent CP violation in the decays of B^{0} and B[over ¯]^{0} mesons to the final states J/ψ(→μ^{+}μ^{-})K_{S}^{0}, ψ(2S)(→μ^{+}μ^{-})K_{S}^{0} and J/ψ(→e^{+}e^{-})K_{S}^{0} with K_{S}^{0}→π^{+}π^{-} is presented. The data correspond to an integrated luminosity of 6  fb^{-1} collected at a center-of-mass energy of sqrt[s]=13  TeV with the LHCb detector. The CP-violation parameters are measured to be S_{ψK_{S}^{0}}=0.717±0.013(stat)±0.008(syst) and C_{ψK_{S}^{0}}=0.008±0.012(stat)±0.003(syst). This...

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