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EP Preprints
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最近の追加:
2024-03-07
13:59
Amplitude analysis of the $\Lambda_b^0\to pK^-\gamma$ decay
/ LHCb Collaboration
The resonant structure of the radiative decay $\Lambda_b^0\to pK^-\gamma$ in the region of proton-kaon invariant-mass up to 2.5 GeV$/c^2$ is studied using proton-proton collision data recorded at centre-of-mass energies of 7, 8, and 13 TeV collected with the LHCb detector, corresponding to a total integrated luminosity of 9 fb$^{-1}$.
[...]
arXiv:2403.03710
;
LHCb-PAPER-2023-036
;
CERN-EP-2023-253
;
LHCB-PAPER-2023-036
.
- 2024. - 39 p.
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2024-03-06
14:45
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 $5.3 \mathrm{fb}^{-1}$.
[...]
arXiv:2403.03586
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LHCb-PAPER-2023-042
;
CERN-EP-2024-041
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LHCB-PAPER-2023-042
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- 2024. - 23 p.
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2024-02-29
14:56
Results and perspectives from the first two years of neutrino physics at the LHC by the SND@LHC experiment
/
Van Herwijnen, Eric
(Imperial College (GB)) ;
De Lellis, Giovanni
(Universita Federico II e INFN Sezione di Napoli (IT))
After a rapid approval and installation, the SND@LHC Collaboration was able to take data successfully in 2022 and 2023.
[...]
CERN-OPEN-2024-003
.
- 2024. - 13 p.
Preprint
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2024-02-26
13:36
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.
[...]
arXiv:2402.05523
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LHCb-PAPER-2023-046
;
CERN-EP-2024-019
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LHCB-PAPER-2023-046
.
- 2024. - 30 p.
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2024-02-21
12:21
Leaving No Matter Unturned - Analysing existing LHC measurements and events with jets and missing transverse energy measured by the ATLAS Experiment in search of Dark Matter
/
Habedank, Martin
Various astrophysical observations point towards an as-of-yet unexplained, mainly gravitationally interacting type of matter
[...]
arXiv:2402.13760
;
CERN-THESIS-2023-341
- 2023-08-04. - 313 p.
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2024-02-12
11:08
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$^{-1}$.
[...]
arXiv:2402.05528
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LHCb-PAPER-2023-041
;
CERN-EP-2024-009
.
- 2024. - 28 p.
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2024-02-02
14:10
Measurements of the branching fraction ratio $\mathcal{B}(\phi\to\mu^{+}\mu^{-})$/$\mathcal{B}(\phi\to e^{+}e^{-})$ with charm meson decays
/ LHCb Collaboration
Measurements of the branching fraction ratio ${\mathcal{B}(\phi \to \mu^+ \mu^-)/\mathcal{B}(\phi\to e^+e^-)}$ with ${D_{s}^{+} \to \pi^{+} \phi}$ and ${D^{+} \to \pi^{+} \phi}$ decays, denoted $R^{s}_{\phi \pi}$ and $R^{d}_{\phi \pi}$, are presented.
[...]
arXiv:2402.01336
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LHCb-PAPER-2023-038
;
CERN-EP-2024-001
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LHCB-PAPER-2023-038
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- 2024. - 25 p.
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2024-02-01
08:59
Study of $CP$ violation in $B^0_{(s)} to D K^{*}(892)^0$ decays with $D \to K \pi ( \pi \pi)$, $ \pi \pi( \pi \pi)$, and $KK$ final states
/ LHCb Collaboration
A measurement of $CP$-violating observables associated with the interference of $B^0\to D^0 K^{*}(892)^0$ and $B^0\to \overline{D}^0 K^*(892)^0$ decay amplitudes is performed in the $D^0 \to K^{\mp}\pi^{\pm}(\pi^+\pi^-),$ $D^0 \to \pi^+\pi^-(\pi^+\pi^-)$, and $D^0\to K^+K^-$ final states using data collected by the LHCb experiment corresponding to an integrated luminosity of $9$~$\text{fb}^{-1}$.
[...]
arXiv:2401.17934
;
LHCb-PAPER-2023-040
;
CERN-EP-2024-007
;
LHCB-PAPER-2023-040
.
- 2024. - 31 p.
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2024-01-23
10:28
Prompt and nonprompt $\psi(2S)$ production in $p$Pb collisions at $\sqrt{s_{NN}}=8.16$ TeV
/ LHCb Collaboration
The production of $\psi(2S)$ mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of $\sqrt{s_{NN}}=8.16$ TeV is studied with the LHCb detector using data corresponding to an integrated luminosity of 34 nb$^{-1}$.
[...]
arXiv:2401.11342
;
LHCb-PAPER-2023-024
;
CERN-EP-2023-293
.
- 2024. - 55 p.
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2023-12-20
09:37
Search for $B_c^+\to\pi^+\mu^+\mu^-$ decays and measurement of the branching fraction ratio ${\cal B}(B_c^+\to\psi(2S)\pi^+)/{\cal B}(B_c^+\to J/\psi \pi^+)$
/ LHCb Collaboration
The first search for nonresonant $B_c^+\to\pi^+\mu^+\mu^-$ decays is reported.
[...]
arXiv:2312.12228
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LHCb-PAPER-2023-037
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CERN-EP-2023-280
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LHCB-PAPER-2023-037
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- 2023. - 27 p.
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