Measurement of CP Violation in B^{0}→ψ(→ℓ^{+}ℓ^{-})K_{S}^{0}(→π^{+}π^{-}) Decays
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 measurement of S_{ψK_{S}^{0}} represents the most precise single measurement of the CKM angle β to date and is more precise than the current world average. In addition, measurements of the CP-violation parameters of the individual channels are reported and a combination with the LHCb Run 1 measurements is performed.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2024 |
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Erschienen: |
2024 |
Enthalten in: |
Zur Gesamtaufnahme - volume:132 |
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Enthalten in: |
Physical review letters - 132(2024), 2 vom: 12. Jan., Seite 021801 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Aaij, R [VerfasserIn] |
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Links: |
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Anmerkungen: |
Date Revised 26.01.2024 published: Print Citation Status PubMed-not-MEDLINE |
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doi: |
10.1103/PhysRevLett.132.021801 |
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funding: |
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PPN (Katalog-ID): |
NLM36768022X |
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520 | |a 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 measurement of S_{ψK_{S}^{0}} represents the most precise single measurement of the CKM angle β to date and is more precise than the current world average. In addition, measurements of the CP-violation parameters of the individual channels are reported and a combination with the LHCb Run 1 measurements is performed | ||
650 | 4 | |a Journal Article | |
700 | 1 | |a Abdelmotteleb, A S W |e verfasserin |4 aut | |
700 | 1 | |a Abellan Beteta, C |e verfasserin |4 aut | |
700 | 1 | |a Abudinén, F |e verfasserin |4 aut | |
700 | 1 | |a Ackernley, T |e verfasserin |4 aut | |
700 | 1 | |a Adeva, B |e verfasserin |4 aut | |
700 | 1 | |a Adinolfi, M |e verfasserin |4 aut | |
700 | 1 | |a Adlarson, P |e verfasserin |4 aut | |
700 | 1 | |a Afsharnia, H |e verfasserin |4 aut | |
700 | 1 | |a Agapopoulou, C |e verfasserin |4 aut | |
700 | 1 | |a Aidala, C A |e verfasserin |4 aut | |
700 | 1 | |a Ajaltouni, Z |e verfasserin |4 aut | |
700 | 1 | |a Akar, S |e verfasserin |4 aut | |
700 | 1 | |a Akiba, K |e verfasserin |4 aut | |
700 | 1 | |a Albicocco, P |e verfasserin |4 aut | |
700 | 1 | |a Albrecht, J |e verfasserin |4 aut | |
700 | 1 | |a Alessio, F |e verfasserin |4 aut | |
700 | 1 | |a Alexander, M |e verfasserin |4 aut | |
700 | 1 | |a Alfonso Albero, A |e verfasserin |4 aut | |
700 | 1 | |a Aliouche, Z |e verfasserin |4 aut | |
700 | 1 | |a Alvarez Cartelle, P |e verfasserin |4 aut | |
700 | 1 | |a Amalric, R |e verfasserin |4 aut | |
700 | 1 | |a Amato, S |e verfasserin |4 aut | |
700 | 1 | |a Amey, J L |e verfasserin |4 aut | |
700 | 1 | |a Amhis, Y |e verfasserin |4 aut | |
700 | 1 | |a An, L |e verfasserin |4 aut | |
700 | 1 | |a Anderlini, L |e verfasserin |4 aut | |
700 | 1 | |a Andersson, M |e verfasserin |4 aut | |
700 | 1 | |a Andreianov, A |e verfasserin |4 aut | |
700 | 1 | |a Andreola, P |e verfasserin |4 aut | |
700 | 1 | |a Andreotti, M |e verfasserin |4 aut | |
700 | 1 | |a Andreou, D |e verfasserin |4 aut | |
700 | 1 | |a Ao, D |e verfasserin |4 aut | |
700 | 1 | |a Archilli, F |e verfasserin |4 aut | |
700 | 1 | |a Artamonov, A |e verfasserin |4 aut | |
700 | 1 | |a Artuso, M |e verfasserin |4 aut | |
700 | 1 | |a Aslanides, E |e verfasserin |4 aut | |
700 | 1 | |a Atzeni, M |e verfasserin |4 aut | |
700 | 1 | |a Audurier, B |e verfasserin |4 aut | |
700 | 1 | |a Bacher, D |e verfasserin |4 aut | |
700 | 1 | |a Bachiller Perea, I |e verfasserin |4 aut | |
700 | 1 | |a Bachmann, S |e verfasserin |4 aut | |
700 | 1 | |a Bachmayer, M |e verfasserin |4 aut | |
700 | 1 | |a Back, J J |e verfasserin |4 aut | |
700 | 1 | |a Bailly-Reyre, A |e verfasserin |4 aut | |
700 | 1 | |a Baladron Rodriguez, P |e verfasserin |4 aut | |
700 | 1 | |a Balagura, V |e verfasserin |4 aut | |
700 | 1 | |a Baldini, W |e verfasserin |4 aut | |
700 | 1 | |a Baptista de Souza Leite, J |e verfasserin |4 aut | |
700 | 1 | |a Barbetti, M |e verfasserin |4 aut | |
700 | 1 | |a Barbosa, I R |e verfasserin |4 aut | |
700 | 1 | |a Barlow, R J |e verfasserin |4 aut | |
700 | 1 | |a Barsuk, S |e verfasserin |4 aut | |
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700 | 1 | |a Bartolini, M |e verfasserin |4 aut | |
700 | 1 | |a Baryshnikov, F |e verfasserin |4 aut | |
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700 | 1 | |a Bassi, G |e verfasserin |4 aut | |
700 | 1 | |a Batsukh, B |e verfasserin |4 aut | |
700 | 1 | |a Battig, A |e verfasserin |4 aut | |
700 | 1 | |a Bay, A |e verfasserin |4 aut | |
700 | 1 | |a Beck, A |e verfasserin |4 aut | |
700 | 1 | |a Becker, M |e verfasserin |4 aut | |
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700 | 1 | |a Belov, I |e verfasserin |4 aut | |
700 | 1 | |a Belyaev, I |e verfasserin |4 aut | |
700 | 1 | |a Benane, G |e verfasserin |4 aut | |
700 | 1 | |a Bencivenni, G |e verfasserin |4 aut | |
700 | 1 | |a Ben-Haim, E |e verfasserin |4 aut | |
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700 | 1 | |a Bex, J |e verfasserin |4 aut | |
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700 | 0 | |a et al |4 oth | |
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