Search for CP violation in D+s → K0Sπ+, D+ → K0SK+, and D+ → [psi]π+ decays
A search for charge-parity (CP) violation in Cabibbo-suppressed D+s→K0Sπ+, D+→K0SK+, and D+→ϕπ+ decays is reported using proton-proton collision data, corresponding to an integrated luminosity of 3.8 fb−1, collected at a center-of-mass energy of 13 TeV with the LHCb detector. High-yield samples of k...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
17 May 2019
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| In: |
Physical review letters
Year: 2019, Jahrgang: 122, Heft: 19 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.122.191803 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.122.191803 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.122.191803 |
| Verfasserangaben: | R. Aaij et al.*(LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Search for CP violation in D+s → K0Sπ+, D+ → K0SK+, and D+ → [psi]π+ decays |c R. Aaij et al.*(LHCb Collaboration) |
| 246 | 3 | 0 | |a φ π |
| 246 | 3 | 3 | |a Search for CP violation in D plus s → K 0 S pi plus, D plus → K0SK plus, and D plus→ psi pi plus decays |
| 264 | 1 | |c 17 May 2019 | |
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| 500 | |a Im Titel ist "psi" als griechischer Buchstabe dargestellt | ||
| 500 | |a Im Titel sind "+" und "0" hochgestellt, "s" ist tiefgestellt | ||
| 500 | |a LHCb Collaboration: R. Aaij, P. D'Argent, S. Bachmann, D. Berninghoff, M. Borsato, S. Braun, A. Comerma-Montells, M. Dziewiecki, D. Gerick, J. Grabowski, X. Han, S. Hansmann-Menzemer, J. Hu, M. Kecke, M. Kolpin, R. Kopecná, B. Leverington, H. Malygina, J. Marks, D. Mitzel, S. Neubert, A. Piucci, M. Schmelling, N. Skidmore, M. Stahl, S. Stemmle, U. Uwer, A. Zhelezov [und 818 weitere] | ||
| 500 | |a Gesehen am 28.05.2020 | ||
| 520 | |a A search for charge-parity (CP) violation in Cabibbo-suppressed D+s→K0Sπ+, D+→K0SK+, and D+→ϕπ+ decays is reported using proton-proton collision data, corresponding to an integrated luminosity of 3.8 fb−1, collected at a center-of-mass energy of 13 TeV with the LHCb detector. High-yield samples of kinematically and topologically similar Cabibbo-favored D+(s) decays are analyzed to subtract nuisance asymmetries due to production and detection effects, including those induced by CP violation in the neutral kaon system. The results are ACP(D+s→K0Sπ+)=(1.3±1.9±0.5)×10−3,ACP(D+→K0SK+)=(−0.09±0.65±0.48)×10−3,ACP(D+→ϕπ+)=(0.05±0.42±0.29)×10−3,where the first uncertainties are statistical and the second systematic. They are the most precise measurements of these quantities to date, and are consistent with CP symmetry. A combination with previous LHCb measurements, based on data collected at 7 and 8 TeV, is also reported. | ||
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