Speaker
Description
The Korea Multi-purpose Accelerator Complex (KOMAC) operates a linear proton accelerator consisting of an ion source, a Low Energy Beam Transport (LEBT), a Radio Frequency Quadrupole (RFQ), and two Drift Tube Linac (DTL) sections. The beam is extracted at 50 keV and accelerated to 3 MeV through the RFQ, subsequently reaching 20 MeV in DTL Section 1 and a final energy of 102.6 MeV in DTL Section 2. DTL Section 2 comprises seven individual tanks, each followed by a Beam Position Monitor (BPM) to monitor beam parameters.
To implement accurate online beam Time-of-Flight (TOF) measurements using these BPMs, precise knowledge of the phase offset for each signal cable is essential. However, environmental factors have introduced unknown phase shifts, limiting the accuracy of real-time energy monitoring. In this study, we performed a phase calibration of the BPM signal cables across the DTL Section 2. This paper summarizes the calibration methodology employed, the measured phase offset values for each BPM, and the resulting improvements in TOF measurement precision.
Funding Agency
This work has been supported through KOMAC operation fund of KAERI by Ministry
of Science and ICT, the Korean government (KAERI ID no. : 524320-26)
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