2023-09-20
12:17 |
Hadron PID performance with 2023 data
/LHCb Collaboration
Particle identification (PID) plays an important role in many LHCb analyses. This information is obtained by combining information from the sub-detectors, with in particular two Ring Imaging Cherenkov (RICH) detectors [...]
LHCB-FIGURE-2023-023.-
Geneva : CERN, 2023 - 4.
Fulltext: LHCb-FIGURE-2023-023 - ZIP; main - PDF;
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2023-09-08
12:13 |
Ecal versus SciFi correlation in 2022 ion data
/LHCb Collaboration
The occupancy plot is produced using data recorded on November 19th and 20th 2022 at the LHC. The data corresponds to two fills of Pb-Pb collisions at 5 TeV, during which Argon gas was injected into the opened VELO vessel thanks to the SMOG system..
LHCB-FIGURE-2023-022.-
Geneva : CERN, 2023 - 3.
Fulltext: LHCb-FIGURE-2023-022 - ZIP; LHCb-FIGURE-2023-022_1 - PDF;
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2023-09-08
10:12 |
First measurement of the hit detection efficiency of the LHCb SciFi Tracker
/LHCb Collaboration
We present a preliminary measurement of the unbiased SciFi hit detection efficiency using early LHCb Run 3 data. The hit detection efficiency is determined by excluding the layer under study from the track reconstruction and matching tracks to SciFi hits where the distance of the clostest approach between the track and the hit is required to be less than 1.0 mm. [...]
LHCB-FIGURE-2023-021.-
Geneva : CERN, 2023 - 4.
Fulltext: LHCb-FIGURE-2023-021_1 - ZIP; LHCb-FIGURE-2023-021 - PDF;
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2023-09-01
11:16 |
Rich2 versus Ecal correlation in 2022 ion data
/LHCb Collaboration
The occupancy plots present in this document are produced using data recorded on November 19th and 20th 2022 at the LHC by the LHCb collaboration. The data corresponds to two fills of Pb-Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV, during which Argon gas was injected into the opened VELO vessel thanks to the SMOG system..
LHCB-FIGURE-2023-020.-
Geneva : CERN, 2023 - 3.
Fulltext: LHCb-FIGURE-2023-020 - PDF; LHCb-FIGURE-ZIP-2023-020 - ZIP;
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2023-08-30
09:28 |
Charged hadron identification performance with early Run 3 data
/LHCb collaboration
Charged hadron identification is provided in LHCb by two Ring Imaging Cherenkov detectors. To fully exploit the five-fold increase in the instantaneous luminosity with respect to LHC Run 1 and 2, the LHCb experiment underwent a major upgrade during Long Shutdown 2 in order to implement the readout of all subsystems at the 40 MHz bunch crossing rate. [...]
LHCB-FIGURE-2023-019.-
Geneva : CERN, 2023 - 15.
Fulltext: LHCb-FIGURE-2023-019_1 - ZIP; LHCb-FIGURE-2023-019 - PDF;
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2023-08-22
16:17 |
SciFi alignment per mat with LHCb Run 3 commissioning data
/LHCb Collaboration
We present preliminary results showing the impact of SciFi alignment per mat with LHCb Run 3 early data. Fibre mats are component units of the SciFi active part, which are joined together to form modules. [...]
LHCB-FIGURE-2023-018.-
Geneva : CERN, 2023 - 4.
Fulltext: LHCb-FIGURE-2023-018_plots - ZIP; LHCb-FIGURE-2023-018 - PDF;
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2023-08-22
16:09 |
Light nuclei reconstruction and identification with time of flight measurement
/LHCb Collaboration
Measurements of light anti-nuclei production at accelerator facilities are fundamental to constrain the background from secondary antiparticles, produced during cosmic ray propagation through the interstellar medium, in indirect Dark Matter searches. In this document, the performance of a new algorithm to reconstruct and identify light nuclei based on their time-of-flight between the interaction point and the Outer Tracker in LHCb is presented. [...]
LHCB-FIGURE-2023-017.-
Geneva : CERN, 2023 - 10.
Fulltext: LHCb-FIGURE-2023-017 - ZIP; main (3) - PDF;
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2023-08-22
11:16 |
SciFi fine time alignment
/LHCb Collaboration
We present preliminary results showing the principle and preliminary performance of SciFi fine time alignment with LHCb Run 3 early data. SciFi Front-End electronic time phase is calibrated with respect to beam interactions to capture detector signals with the correct phase and in the correct bunch cycle. [...]
LHCB-FIGURE-2023-016.-
Geneva : CERN, 2023 - 6.
Fulltext: LHCb-Figure-2023-016 - PDF; LHCb-FIGURE-2023-016 - ZIP;
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2023-08-16
14:39 |
Jpsi2MuMu 2022 mass figure
/LHCb Collaboration
The $J/\psi \to \mu^{+} \mu^{-}$ decay is one of the golden channels in LHCb experiment. This document reports the mass spectrum of $J/\psi \to \mu^{+} \mu^{-}$ data sample using part of the 2022 data taken by the LHCb upgraded detector. [...]
LHCB-FIGURE-2023-015.-
Geneva : CERN, 2023 - 4.
Fulltext: LHCb-FIGURE-2023-015 - ZIP; main (1) - PDF;
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2023-08-16
12:34 |
Psi2STomumu plot using 2022 data
/LHCb Collaboration
The $\psi(2S) \to \mu^{+} \mu^{-}$ decay is one of the important channels for early study in LHCb experiment. This document reports the mass spectrum of $\psi(2S) \to \mu^{+} \mu^{-}$ data sample using part of the 2022 data taken by the LHCb upgraded detector [...]
LHCB-FIGURE-2023-014.-
Geneva : CERN, 2023 - 4.
Fulltext: LHCb-FIGURE-2023-014 - ZIP; main - PDF;
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