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TY - CONF AU - Luo, Y. AU - Fischer, W. AU - Gu, X. ED - Liu, Zhengzheng ED - Lidia, Steven ED - McCausey, Amy ED - Schaa, Volker RW TI - Simulation of Beam-Beam Tune Spread Measurement With Beam Transfer Function in RHIC J2 - Proc. of IBIC2017, Grand Rapids, MI, USA, 20-24 August 2017 C1 - Grand Rapids, MI, USA T2 - International Beam Instrumentation Conference T3 - 6 LA - english AB - Head-on beam-beam compensation had been successfully implemented routinely in the 2015 polarized proton operation in the Relativistic Heavy Ion Collider at Brookhaven National Laboratory. Two electron lenses have been used to reduce the incoherent beam-beam tune spread to allow a larger proton bunch intensity and therefore a higher luminosity. Beam transfer function was used to determine the beam-beam incoherent tune spread. In this article, we carry out numeric simulations to compare the tune spreads derived from tune histogram and the beam transfer function. Then we present the experimental beam transfer function measurements and extract the tune spreads due to beam-beam interaction and electron lens. Experimental results show that the electron lens reduced the beam-beam tune spread. PB - JACoW CP - Geneva, Switzerland SP - 44 EP - 46 KW - ion KW - electron KW - proton KW - experiment KW - simulation DA - 2018/03 PY - 2018 SN - 978-3-95450-192-2 DO - 10.18429/JACoW-IBIC2017-MOPCC04 UR - http://jacow.org/ibic2017/papers/mopcc04.pdf ER -