7–12 May 2023
Venice, Italy
Europe/Zurich timezone

Bayesian optimization calibration of ionization profile monitor at the AGS complex

THPL012
11 May 2023, 16:30
2h
Sala Laguna

Sala Laguna

Poster Presentation MC6.A27: Machine Learning and Digital Twin Modelling Thursday Poster Session

Speaker

Vincent Schoefer (Brookhaven National Laboratory)

Description

The ionization profile monitors (IPMs) are used to measure the transverse profiles of the beams accelerated at the Brookhaven National Laboratory (BNL) AGS. These devices use multi-channel plates (MCP) to collect electrons generated by ionization of the residual gas to get an image of the beam projection onto the two transverse planes. The gains of each of the 64 channels in the MCP can vary from channel to channel due to both initial fabrication variations and over time as the channel exposed to more signal degrade and become less sensitive. There are also systematic errors associated with varying delays in the digitization paths for different groups of channels. We describe a reinforcement learning approach to accounting for and calibrating these errors using historical data from the Brookhaven AGS IPMs.

Funding Agency

Work supported by Brookhaven Science Associates, LLC under Contract No. DE-SC0012704 with the U.S. Department of Energy.

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Primary author

Yuan Gao (Brookhaven National Laboratory)

Co-authors

Georg Hoffstaetter (Cornell University (CLASSE)) Mr James Jamilkowski (Brookhaven National Laboratory) John Morris (Brookhaven National Laboratory) Kevin Brown (Brookhaven National Laboratory) Linh Nguyen (Brookhaven National Laboratory) Vincent Schoefer (Brookhaven National Laboratory) Weijian Lin (Cornell University (CLASSE))

Presentation materials

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