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TY - CONF AU - Xiao, M. AU - Aldred, C. AU - Lorenzon, W. ED - Eshraqi, Mohammad ED - Trahern, Garry ED - Schaa, Volker RW TI - Spin Tracking of Polarized Protons in the Main Injector at Fermilab J2 - Proc. of HB2016, Malmö, Sweden, July 3-8, 2016 C1 - Malmö, Sweden T2 - ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams T3 - 57 LA - english AB - The Main Injector (MI) at Fermilab currently produces high-intensity beams of protons at energies of 120 GeV for a variety of physics experiments. Acceleration of polarized protons in the MI would provide opportunities for a rich spin physics program at Fermilab. To achieve polarized proton beams in the Fermilab accelerator com-plex, shown in Fig.1.1, detailed spin tracking simulations with realistic parameters based on the existing facility are required. This report presents studies at the MI using a single 4-twist Siberian snake to determine the depolariz-ing spin resonances for the relevant synchrotrons. Results will be presented first for a perfect MI lattice, followed by a lattice that includes the real MI imperfections, such as the measured magnet field errors and quadrupole misa-lignments. The tolerances of each of these factors in maintaining polarization in the Main Injector will be discussed. PB - JACoW CP - Geneva, Switzerland SP - 173 EP - 178 KW - polarization KW - closed-orbit KW - lattice KW - resonance KW - proton DA - 2016/08 PY - 2016 SN - 978-3-95450-185-4 DO - 10.18429/JACoW-HB2016-MOPR036 UR - http://jacow.org/hb2016/papers/mopr036.pdf ER -