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Amplitude analysis and branching fraction measurement of $B^{+} \to D^{*-}D_{s}^{+}\pi^{+}$ decays / LHCb Collaboration
The decays of the $B^{+}$ meson to the final state $D^{*-}D^{+}_{s}\pi^{+}$ are studied in proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb$^{-1}$. The ratio of branching fractions of the $B^{+}\to D^{*-}D^{+}_{s}\pi^{+}$ and $B^{0}\to D^{*-}D^{+}_{s}$ decays is measured to be $0.173\pm 0.006\pm 0.010$, where the first uncertainty is statistical and the second is systematic. [...]
arXiv:2405.00098; LHCb-PAPER-2024-001; CERN-EP-2024-110.- Geneva : CERN, 2024-08-21 - 41 p. - Published in : JHEP 2408 (2024) 165 Fulltext: document - PDF; 2405.00098 - PDF; LHCb-PAPER-2024-001 - PDF; Related data file(s): ZIP;

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Tracking of charged particles with nanosecond lifetimes at LHCb / LHCb Collaboration
A method is presented to reconstruct charged particles with lifetimes between 10 ps and 10 ns, which considers a combination of their decay products and the partial tracks created by the initial charged particle. Using the $\Xi^-$ baryon as a benchmark, the method is demonstrated with simulated events and proton-proton collision data at $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of 2.0 fb${}^{-1}$ collected with the LHCb detector in 2018. [...]
arXiv:2403.09483; CERN-EP-2024-077; LHCb-DP-2023-004.- 2024-07-30 - 23 p. - Published in : Eur. Phys. J. C 84 (2024) 761 Figures: ZIP; Fulltext: 2403.09483 - PDF; document - PDF;

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First observation of the $\Lambda^0_b \to D^+ D^- \Lambda$ decay / LHCb Collaboration
The $\Lambda^0_b \to D^+ D^- \Lambda$ decay is observed for the first time using proton-proton collision data collected by the LHCb experiment at a center-of-mass energy of $13 \mathrm{TeV}$, corresponding to an integrated luminosity of $5.3 \mathrm{fb}^{-1}$. Using the $B^0 \to D^+ D^- K_{\mathrm{S}}^0$ decay as a reference channel, the product of the relative production cross-section and decay branching fractions is measured to be $$ {\cal R}=\frac{\sigma_{\Lambda^0_b}}{\sigma_{B^0}} \times \frac{{\cal B}(\Lambda^0_b \to D^+ D^- \Lambda)}{{\cal B}(B^0 \to D^+ D^- K_{\mathrm{S}}^0)}=0.179 \pm 0.022 \pm 0.014 $$ where the first uncertainty is statistical and the second is systematic. [...]
arXiv:2403.03586; LHCb-PAPER-2023-042; CERN-EP-2024-041; LHCB-PAPER-2023-042.- Geneva : CERN, 2024-07-16 - 23 p. - Published in : JHEP 2407 (2024) 140 Fulltext: 2403.03586 - PDF; document - PDF; LHCb-PAPER-2023-042 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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Observation of the $B_c^+ \to J/\psi \pi^+ \pi^0$ decay / LHCb Collaboration
The first observation of the $B_c^+ \to J/\psi \pi^+ \pi^0$ decay is reported with high significance using proton-proton collision data, corresponding to an integrated luminosity of 9 fb$^{-1}$, collected with the LHCb detector at centre-of-mass energies of 7, 8, and 13 TeV. The ratio of its branching fraction relative to the $B_c^+ \to J/\psi \pi^+$ channel is measured to be $$ \frac{ {\cal{B}}_{( B_c^+ \to J/\psi \pi^+\pi^0 ) }} { {\cal{B}}_{( B_c^+ \to J/\psi \pi^+ ) }} = 2.80 \pm 0.15 \pm 0.11 \pm 0.16 \,, $$ where the first uncertainty is statistical, the second systematic and the third related to imprecise knowledge of the branching fractions for $B^+ \to J/\psi K^{*+}$ and $B^+ \to J/\psi K^+$ decays, which are used to determine the $\pi^0$ detection efficiency. [...]
arXiv:2402.05523; LHCb-PAPER-2023-046; CERN-EP-2024-019; LHCB-PAPER-2023-046.- Geneva : CERN, 2024-04-30 - 30 p. - Published in : JHEP 2404 (2024) 151 Fulltext: LHCb-PAPER-2023-046 - PDF; 2402.05523 - PDF; document - PDF; Related data file(s): ZIP;

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Measurement of the branching fraction of $B^{0} \rightarrow J/\psi \pi^{0}$ decays / LHCb Collaboration
The ratio of branching fractions between $B^{0} \rightarrow J/\psi \pi^{0}$ and $B^{+} \rightarrow J/\psi K^{*+}$ decays is measured with proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb$^{-1}$. The measured value is \begin{align*} \frac{\mathcal{B}_{B^{0} \rightarrow J/\psi \pi^{0}}}{\mathcal{B}_{B^{+} \rightarrow J/\psi K^{*+}}} = (1.153 \pm 0.053 \pm 0.048 ) \times 10^{-2}, \end{align*} where the first uncertainty is statistical and the second is systematic. [...]
arXiv:2402.05528; LHCb-PAPER-2023-041; CERN-EP-2024-009.- Geneva : CERN, 2024-05-07 - 28 p. - Published in : JHEP 2405 (2024) 065 Cover note: ZIP; Fulltext: 2402.05528 - PDF; document - PDF; PAPER_2023_041 - PDF;

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Sehen Sie auch: ähnliche Autornamen
188	Adams, J
6	Adams, J A
1	Adams, J Alan
30	Adams, J B
13	Adams, J D
1	Adams, J E
2	Adams, J F
5	Adams, J Frank
32	Adams, J H
1	Adams, J H Jr
2	Adams, J J
2	Adams, J K
1	Adams, J L
10	Adams, J M
1	Adams, J Mack
1	Adams, J P
1	Adams, J S
1	Adams, J T
3	Adams, J.
32	Adams, J.B.
1	Adams, J.H.
6	Adams, J.R.
4	Adams, James
1	Adams, James L
5	Adams, James Michael
1	Adams, Jeff
7	Adams, Jeffrey
1	Adams, Jeffrey P
8	Adams, Jenni
1	Adams, Jennifer
2	Adams, Jim
1	Adams, Joanne
1	Adams, Joe
7	Adams, John
1	Adams, John B.
58	Adams, John Bertram
1	Adams, John C
2	Adams, John Frank
1	Adams, Jonathan
212	Adams, Jordon Rowe
6	Adams, Joseph
11	Adams, Joseph D
1	Adams, Joseph S
1	Adams, Josh
5	Adams, Joshua
12	Adams, Joshua J
3	Adams, Juliet

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