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Data systems for the Linac coherent light source.

J Thayer1, D Damiani1, C Ford1

  • 1SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025 USA.

Advanced Structural and Chemical Imaging
|March 7, 2017
PubMed
Summary
This summary is machine-generated.

Data systems for X-ray Free-Electron Laser (FEL) experiments at the Linac Coherent Light Source (LCLS) reliably handle high-throughput data. The Photon Science Analysis (psana) software facilitates user analysis of experimental data and metadata.

Keywords:
Computer programsData acquisition systemsData management systemsFELsFree-electron lasersSerial femtosecond crystallography

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Area of Science:

  • X-ray science
  • Particle accelerators
  • Data science

Background:

  • High-throughput data acquisition is crucial for modern X-ray Free-Electron Laser (FEL) experiments.
  • The Linac Coherent Light Source (LCLS) generates large volumes of experimental data requiring robust management systems.

Purpose of the Study:

  • To describe the data systems developed for X-ray FEL experiments at LCLS.
  • To detail the software packages used for data analysis and monitoring.

Main Methods:

  • Implementation of data acquisition systems capable of handling peak throughputs of 5 GB/s.
  • Development and description of the Analysis and Monitoring Implementation (AMI) and Photon Science Analysis (psana) software packages.
  • Archiving of experimental data and metadata for user accessibility.

Main Results:

  • The described data systems reliably acquire and transport shot-by-shot data.
  • The psana software package provides open-source access for experimental data analysis.
  • Metadata is archived alongside experimental data for comprehensive analysis.

Conclusions:

  • The LCLS data systems are effective in managing high-volume experimental data.
  • The psana software enhances data accessibility and analysis for users of X-ray FEL facilities.