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TY - CPAPER AU - Hayashi, N. TI - Machine Stability Analysis by Pulse Based Data Archiver of the J-PARC RCS J2 - Proc. of International Beam Instrumentation Conference (IBIC2015), Melbourne, Australia, 13-17 September 2015 AB - The J-PARC RCS (Rapid-Cycling proton Synchrotron) runs with repetition rate of 25 Hz. The beam intensity of current monitors and beam loss monitors (BLM) data are archived for all pulses and they could be analyzed to study the machine stability. In addition BPM data are also recorded in regularly (2 seconds with every minutes) and particularly in case of the RCS MPS, the last several hundreds BPM data are recorded. We will report a few examples, in the case of magnet feedback problem or vacuum problem, how the BPM or BLM behaves. PB - JACoW CY - Geneva, Switzerland SP - 381 EP - 385 KW - ion KW - ion-source KW - linac KW - operation KW - feedback DA - 2016/01 PY - 2016 SN - 978-3-95450-176-2 DO - 10.18429/JACoW-IBIC2015-TUPB026 UR - http://accelconf.web.cern.ch/AccelConf/IBIC2015/papers/tupb026.pdf ER -