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TY - CONF AU - Schwickert, M. AU - Hofmann, K. AU - Kurian, F. AU - Neubert, R. AU - Reeg, H. AU - Seidel, P. AU - Sieber, T. AU - Soliman, E. ED - Schaa, Volker RW TI - Status of Beam Current Transformer Developments for FAIR J2 - Proc. of IBIC2016, Barcelona, Spain, Sept. 13-18, 2016 C1 - Barcelona, Spain T2 - International Beam Instrumentation Conference T3 - 5 LA - english AB - In view of the upcoming FAIR project (Facility for Antiproton and Ion Research) several long-term development projects had been initiated with regard to diagnostic devices for beam current measurement. The main accelerator of FAIR will be the fast ramped superconducting synchrotron SIS100. Design parameters of SIS100 are acceleration of 2.5·10¹³ protons/cycle to 29 GeV for the production of antiprotons, as well as acceleration and slow extraction of p to U ions at 10⁹ ions/s in the energy range of 0.4-2.7 GeV/u and extraction times of up to 10 s. For high-intensity operation non-intercepting devices are mandatory, thus the developments presented in this contribution focus on purpose-built beam current transformers. First prototype measurements of a dc current transformer based on a Tunneling Magneto Resistance sensor are presented, as well as recent achievements with a SQUID-based Cryogenic Current Comparator. PB - JACoW CP - Geneva, Switzerland SP - 462 EP - 464 KW - ion KW - extraction KW - operation KW - feedback KW - synchrotron DA - 2017/02 PY - 2017 SN - 978-3-95450-177-9 DO - 10.18429/JACoW-IBIC2016-TUPG50 UR - http://jacow.org/ibic2016/papers/tupg50.pdf ER -