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TY - CONF AU - Friend, M.L. ED - Schaa, Volker RW TI - Beam Parameter Measurements for the J-PARC High-Intensity Neutrino Extraction Beamline J2 - Proc. of IBIC2018, Shanghai, China, 09-13 September 2018 CY - Shanghai, China T2 - International Beam Instrumentation Conference T3 - 7 LA - english AB - Proton beam monitoring is absolutely essential for the J-PARC neutrino extraction beamline, where neutrinos are produced by the collision of 30 GeV protons from the J-PARC MR accelerator with a long carbon target. Continuous beam monitoring is crucial for the stable and safe operation of the extraction line high intensity proton beam, since even a single misfired beam spill can cause serious damage to beamline equipment at 2.5x10¹⁴ and higher protons-per-pulse. A precise understanding of the proton beam intensity and profile on the neutrino production target is also necessary for predicting the neutrino beam flux with high precision. Details of the suite of monitors used to continuously and precisely monitor the J-PARC neutrino extraction line proton beam will be shown, including recent running experiences, challenges, and future upgrade plans. PB - JACoW Publishing CP - Geneva, Switzerland SP - 85 EP - 88 KW - proton KW - target KW - radiation KW - monitoring KW - extraction DA - 2019/01 PY - 2019 SN - 978-3-95450-201-1 DO - DOI: 10.18429/JACoW-IBIC2018-MOPB07 UR - http://jacow.org/ibic2018/papers/mopb07.pdf ER -