19–24 May 2024
Music City Center
US/Central timezone

Analyzing sudden beam loss in the SuperKEKB/Belle-II experiment with RFSoC technology

TUBD3
21 May 2024, 12:10
20m
Davidson Ballroom (Music City Center)

Davidson Ballroom

Music City Center

201 Rep. John Lewis Way S, Nashville, TN 37203, USA
Contributed Oral Presentation MC1.A24 Accelerators and Storage Rings, Other TUBD: Colliders and other Particle and Nuclear Physics Accelerators (Contributed)

Speaker

Riku Nomaru (The University of Tokyo)

Description

In the SuperKEKB/Belle-II experiment, a multitude of elementary particle reactions is initiated through the collision of 4 GeV positrons with 7 GeV electrons, paving the way for the exploration of new physics. The experiment includes plans for the substantial enhancement of luminosity in the future, aiming to achieve an integrated luminosity approximately 100 times the current level. However, the realization of this goal is impeded by a recurrent occurrence of a phenomenon known as "Sudden Beam Loss," which entails the abrupt disappearance of the beam within tens of microseconds. The cause and location of these occurrences have not yet been identified.
To provide the tools to diagnose and debug these sudden beam loss events, a new Bunch Oscillation Recorder (BOR) has been developed to analyze this phenomenon, utilizing the Radio Frequency System on Chip (RFSoC) from AMD/Xilinx. The beam position of each individual bunch is measured and recorded by the BOR just prior to the onset of sudden beam loss. We will present how the signal from the button beam position monitor of the beam pipe is processed by RFSoC, along with the results obtained from observing the actual SuperKEKB beam using RFSoC.

Region represented Asia

Primary author

Riku Nomaru (The University of Tokyo)

Co-authors

Larry Ruckman (SLAC National Accelerator Laboratory) Gaku Mitsuka (High Energy Accelerator Research Organization)

Presentation materials

There are no materials yet.