CERN Accelerating science

LHCb Figures

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2019-10-17
16:26
Speedup with ISPC and GPU on Compass Allen algorithm /LHCb Collaboration
We present the achieved speedup with the ISPC compiler and the SPMD paradigm for the Compass algorithm used in Allen. The speedup achieved with GPUs is shown for comparison
LHCB-FIGURE-2019-013.- Geneva : CERN, 2019

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2019-10-17
16:24
Performance of a multithreaded prototype for the future LHCb simulation framework (Gauss-on-Gaussino)" /LHCb Collaboration
LHCB-FIGURE-2019-012.- Geneva : CERN, 2019

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2019-10-14
17:21
Performance of VELO clustering and VELO pattern recognition on FPGA /LHCb Collaboration
This document contains plots and tables showing the performance obtained on VELO clustering and VELO pattern recognition using algorithms implementable on FPGA. The data used are simulated with LHCb Upgrade conditions..
LHCB-FIGURE-2019-011.- Geneva : CERN, 2019 - 16.

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2019-10-11
14:20
TURBO stream animation /LHCb Collaboration
An animation illustrating the TURBO stream is provided. It shows events discarded by the trigger in quick sequence, followed by an event that is kept but stripped of all data except four tracks [...]
LHCB-FIGURE-2019-010.- Geneva : CERN, 2019 - 3.

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2019-10-10
15:48
Performance of the GPU HLT1 (Allen) /LHCb Collaboration
We present the performance of the GPU implementation of LHCb’s first level High Level Trigger (Allen)..
LHCB-FIGURE-2019-009.- Geneva : CERN, 10 - 8. Fulltext: PDF;

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2019-09-12
16:43
Pending /LHCb Collaboration
Pending
LHCB-FIGURE-2019-008.- Geneva : CERN, 10

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2019-09-10
11:06
Smog2 Velo tracking efficiency /LHCb Collaboration
LHCb fixed-target programme is facing a major upgrade (Smog2) for Run3 data taking consisting in the installation of a confinement cell for the gas covering $z \in [-500, -300] \, mm $. Such a displacement for the $pgas$ collisions with respect to the nominal $pp$ interaction point requires a detailed study of the reconstruction performances. [...]
LHCB-FIGURE-2019-007.- Geneva : CERN, 10 - 4. Fulltext: LHCb-FIGURE-2019-007_2 - PDF; LHCb-FIGURE-2019-007 - PDF;

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2019-09-09
14:37
Background rejection study in the search for $\Lambda^0 \rightarrow p^+ \mu^- \overline{\nu}$ /LHCb Collaboration
A background rejection study has been made using LHCb Simulation in order to investigate the capacity of the experiment to distinguish between $\Lambda^0 \rightarrow p^+ \mu^- \overline{\nu}$ and its main background $\Lambda^0 \rightarrow p^+ \pi^-$. Two variables were explored, and their rejection power was estimated applying a selection criteria. [...]
LHCB-FIGURE-2019-006.- Geneva : CERN, 09 - 4. Fulltext: PDF;

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2019-09-06
14:56
Tracking efficiencies prior to alignment corrections from 1st Data challenges /LHCb Collaboration
These plots show the first outcoming results on tracking efficiencies, before appli- cation of alignment corrections, as obtained from the 1st data challenges tests. In this challenge, several tracking detectors (the VELO, SciFi and Muon) have been misaligned and the effects on the tracking efficiencies are studied. [...]
LHCB-FIGURE-2019-005.- Geneva : CERN, 2019 - 5. Fulltext: PDF;

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2019-09-06
11:34
Breakdown of the current Hlt 2 reconstruction throughput rate for the LHCb upgrade. /LHCb Collaboration
This figure shows the breakdown of the current (work in progress) Hlt 2 reconstruction throughput rate for the LHCb upgrade..
LHCB-FIGURE-2019-004.- Geneva : CERN, 2019 - 3. Fulltext: PDF;

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