Upgrade of hardware controls for the STAR experiment at RHIC

Jaroslav Adam, Michael G. Cherney, Joey D'Alesio, Emma Dufresne, Lukáš Holub, Janet E. Seger, David Tlustý

Research output: Contribution to journalArticlepeer-review


The STAR experiment has been delivering significant physics results for more than 20 years. Stable operation of the experiment was achieved by using a robust controls system based on the Experimental Physics and Industrial Control System (EPICS). Now an object-oriented approach with Python libraries, adapted for EPICS software, is going to replace the procedural-based EPICS C libraries previously used at STAR. Advantages of the new approach include stability of operation, code reduction and straightforward project documentation. The first two sections of this paper introduce the STAR experiment, give an overview of the EPICS architecture, and present the use of Python for controls software. Specific examples, as well as upgrades of user interfaces, are outlined in the following sections.

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation


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