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CERN Document Server 370 records found  1 - 10nextend  jump to record: Search took 1.00 seconds. 
1.
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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2.
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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3.
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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4.
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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5.
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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6.
PS programme : 3rd quarter 1960: July 18th - October 3rd / Adams, J B ; Cocconi, G ; Germain, P
CERN-PS-MG-60-46.- Geneva : CERN, 1960 - 6 p. Fulltext: PDF;
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7.
Hyperon Polarization along the Beam Direction Relative to the Second and Third Harmonic Event Planes in Isobar Collisions at <math display="inline"><mrow><msqrt><mrow><msub><mrow><mi>s</mi></mrow><mrow><mi>N</mi><mi>N</mi></mrow></msub></mrow></msqrt><mo>=</mo><mn>200</mn><mtext> </mtext><mtext> </mtext><mi>GeV</mi></mrow></math> / STAR Collaboration
The polarization of $\Lambda$ and $\bar{\Lambda}$ hyperons along the beam direction has been measured relative to the second and third harmonic event planes in isobar Ru+Ru and Zr+Zr collisions at $\sqrt{s_{NN}}$ = 200 GeV. This is the first experimental evidence of the hyperon polarization by the triangular flow originating from the initial density fluctuations. [...]
arXiv:2303.09074.- 2023-11-14 - 7 p. - Published in : Phys. Rev. Lett. 131 (2023) 202301 Fulltext: PDF;
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8.
PS programme for the period 3.10.1960 - 2.1.1961 / Adams, J B ; Weisskopf, V F ; Von Dardel, G ; Germain, P
CERN-PS-Int-MG-60-57.- Geneva : CERN, 1960 - 5 p. Fulltext: PDF;
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9.
P.S. programme up to July 15th and tentative P.S. programme from July 19th onwards / Adams, J B ; Cocconi, G ; Germain, P
CERN-PS-Int-MG-60-27.- Geneva : CERN, 1960 - 4 p. Fulltext: PDF;
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10.
Galactic and Extragalactic Analysis of the Astrophysical Muon Neutrino Flux with 12.3 years of IceCube Track Data / IceCube Collaboration
The Ice Cube Neutrino Observatory has been measuring an isotropic astrophysical neutrino flux in multiple detection channels for almost a decade. Galactic diffuse emission, which arises from the interactions between cosmic rays and the interstellar medium, is an expected signal in IceCube. [...]
arXiv:2308.08233; PoS-ICRC2023-1046.- 2023-07-25 - 11 p. - Published in : PoS: ICRC2023 (2023) , pp. 1046 Fulltext: 2308.08233 - PDF; document - PDF;
In : 38th International Cosmic Ray Conference (ICRC 2023), Nagoya, Japan, 26 Jul - 3 Aug 2023, pp.1046
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CERN Document Server : 370 records found   1 - 10nextend  jump to record:
See also: similar author names
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
6 Adams, J.A.
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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