2025-04-04
12:12 |
$D^0$ mass peak in SMOG2 2024 $\textit{pp}$ reference runs
/LHCb Collaboration
The $K^-\pi^+$ invariant mass spectra are reported, using data from $p\mathrm{H}_2$, $p\mathrm{D}_2$, $p\mathrm{He}$, and $p\mathrm{Ar}$ collisions at $\sqrt{s_{NN}}=70.9$ GeV, collected by LHCb in its fixed-target configuration in 2024. The gas injection durations are 16 hours for $p\mathrm{H}_2$, 2 hours for $p\mathrm{D}_2$, 4 hours for $p\mathrm{He}$ and 56 hours for $p\mathrm{Ar}$ [...]
LHCB-FIGURE-2025-013.-
Geneva : CERN, 2025 - 2.
Fulltext: ZIP;
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2025-04-04
09:18 |
Prompt and displaced $J/\psi$ from 2024 PbPb collisions
/LHCb Collaboration
This document presents the pseudo-propertime distribution for $J/\psi\rightarrow\mu^{+}\mu^{-}$ candidates from PbPb collisions at $\sqrt{s_{NN}}$ = 5.36 TeV recorded with the LHCb detector in 2024.
LHCB-FIGURE-2025-012.-
Geneva : CERN, 2025 - 3.
Fulltext: main - PDF; LHCb-FIGURE-2025-012 - ZIP;
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2025-03-28
10:36 |
Biased Hit Residual of LHCb SciFi Tracker in 2024
/LHCb Collaboration
The biased hit residual of LHCb SciFi Tracker is studied using high-quality tracks reconstructed from 2024 data. The biased hit residual is obtained from the information of the fitted nodes from track fit [...]
LHCB-FIGURE-2025-011.-
Geneva : CERN, 2025 - 3.
Fulltext: main - PDF; LHCb-FIGURE-2025-011 - ZIP;
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2025-03-25
15:58 |
LHCb SciFi Tracker Hit Efficiency 2024
/LHCb Collaboration
The unbiased hit efficiency as a function of hits in the layer under study, averaged over all layers, for the LHCb Scintillating Fibre tracker for two fills of the LHC from the end of 2024, Fills 10213 and 10310. Long tracks that pass through M0 (nearest to the beampipe) modules, with track positions more than two channels away from the sensor edges [...]
LHCB-FIGURE-2025-010.-
Geneva : CERN, 2025 - 3.
Fulltext: main - PDF; LHCb-FIGURE-2025-010 - ZIP;
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2025-03-07
15:23 |
Absolute luminosity calibration for $pp$ collisions at $\sqrt{s} = 13$~TeV with beam-gas imaging in Run 2
/LHCb Collaboration
The LHCb experiment has the unique capability to inject gas around the LHC beams near the interaction point in order to directly measure the profile of the two beams, and provide fixed-target collisions. This figure document presents results from the Run 2 $pp$ absolute luminosity calibration at 13 TeV using the beam-gas imaging technique to reconstruct the profiles of the LHC beams..
LHCB-FIGURE-2025-009.-
Geneva : CERN, 2025 - 10.
Fulltext: main (8) - PDF; LHCb-FIGURE-2025-009 - ZIP;
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2025-03-05
15:25 |
PLUME detector performance during the 2024 LHCb data taking campaign
/LHCb Collaboration
The Probe for LUminosity MEasurement (PLUME) detector was installed within the LHCb experiment at the start of Run 3 and serves as the primary luminometer. This document provides an overview of its performance during the 2024 data taking campaign..
LHCB-FIGURE-2025-008.-
Geneva : CERN, 2025 - 8.
Fulltext: LHCb-FIGURE-2025-008 - ZIP; main (7) - PDF;
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2025-03-04
11:02 |
DOROS BPM calibration in Run 2 pp vdM fills using LHCb data
/LHCb Collaboration
The presented figures document the calibration of the DOROS Beam Position Monitors (BPM) at the LHC interaction point IP8 in six $pp$ van der Meer fills in Run 2 using LHCb data. The beam positions are obtained with submicron uncertainties. [...]
LHCB-FIGURE-2025-007.-
Geneva : CERN, 2025 - 31.
Fulltext: main (6) - PDF; LHCb-FIGURE-2025-007 - ZIP;
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2025-03-04
10:59 |
Two-dimensional vdM scans in Run 2
/LHCb Collaboration
The presented figures document the analysis of two-dimensional vdM scans in Run~2, which determines the LHCb reference cross-section of the $pp$-interaction yielding a reconstructed vertex in Velo. The LHCb experiment pioneered such two-dimensional scans to significantly reduce the $x$-$y$ non-factorization systematics, one of the main sources of vdM uncertainties. [...]
LHCB-FIGURE-2025-006.-
Geneva : CERN, 2025 - 25.
Fulltext: main (5) - PDF; LHCb-FIGURE-2025-006 - ZIP;
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2025-03-03
14:42 |
Hadron PID performance in 2024 PbPb data
/LHCb Collaboration
This document presents charged hadron identification efficiencies and misidentification probabilities in 2024 PbPb data..
LHCB-FIGURE-2025-005.-
Geneva : CERN, 2025 - 5.
Fulltext: main (4) - PDF; LHCb-FIGURE-2025-005 - ZIP;
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2025-03-03
10:33 |
Heavy flavor and charmonium signals in 2024 PbPb
/LHCb Collaboration
This document presents invariant- and corrected-mass spectra showing heavy-flavor and charmonium signals in 2024 PbPb data..
LHCB-FIGURE-2025-004.-
Geneva : CERN, 2025 - 6.
Fulltext: main (3) - PDF; LHCb-FIGURE-2025-004 - ZIP;
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