TY - CPAPER AU - Huang, H. AU - Alekseev, I.G. AU - Aschenauer, E.C. AU - Atoian, G. AU - Bazilevsky, A. AU - Eyser, O. AU - Fernando, A. AU - Gassner, D.M. AU - Kalinkin, D. AU - Kewisch, J. AU - Mahler, G.J. AU - Makdisi, Y. AU - Nemesure, S. AU - Poblaguev, A. AU - Schmidke, W.B. AU - Steski, D. AU - Svirida, D. AU - Tsang, T. AU - Yip, K. AU - Zelenski, A. TI - RHIC p-Carbon Polarimeter Target Lifetime Issue J2 - Proc. of IBIC2014 AB - RHIC polarized proton operation requires fast and reliable proton polarimeter for polarization monitoring during stores. Polarimeters based on p-Carbon elastic scattering in the Coulomb Nuclear Interference(CNI) region has been used. Two polarimeters are installed in each of the two collider rings and they are capable to provide important polarization profile information. The polarimeter also provides valuable information for polarization loss on the energy ramp. As the intensity increases over years, the carbon target lifetime is getting shorter and target replacement during operation is necessary. Simulations and experiment tests have been done to address the target lifetime issue. This paper summarizes the recent operation and the target test results. PB - JACoW CY - Geneva, Switzerland SP - 124 EP - 128 KW - target KW - polarization KW - proton KW - detector KW - simulation DA - 2014/10 PY - 2014 SN - 978-3-95450-141-0 UR - http://jacow.org/IBIC2014/papers/mopd01.pdf ER -