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TY - CONF AU - Tang, K. AU - Liu, J. AU - Lu, P. AU - Luo, Q. AU - Sun, B.G. AU - Xu, H. AU - Xu, J. AU - Yang, Y.L. AU - Zhou, Z.R. AU - Zou, J.Y. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - Measuring Energy Spread Using Beam Screen Monitor and Four Strip-Line Electrodes for Hls II Injector* J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - In order to nondestructively measure the beam energy spread with a beam energy of 0.8GeV in the injector at the upgrade project of Hefei Light Source (HLS II) in real time, a beam energy spread monitor (BESM) using beam position monitor (BPM) with four stripline electrodes has been developed. And a screen monitor (SM) near the BESM is used to measure beam energy spread destructively. This paper introduces in brief the beam position measurement system and beam transverse profile measurement system. The relationship between the transverse size at the BESM and at the SM (Flag3) is discussed in detail in this report. The result shows that energy spread measuring result of BESM and SM is 0.19% and 0.18% respectively. So we can draw a conclusion that the BESM is capable of nondestructively measuring the beam energy spread. PB - JACoW CP - Geneva, Switzerland SP - 3587 EP - 3589 KW - quadrupole KW - LabView KW - emittance KW - brilliance KW - EPICS DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-THPME143 UR - http://jacow.org/ipac2014/papers/thpme143.pdf ER -