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Title	RHIC Performance for FY2014 Heavy Ion Run
Authors	G. Robert-Demolaize, J.G. Alessi, M. Bai, E.N. Beebe, J. Beebe-Wang, S.A. Belomestnykh, I. Blackler, M. Blaskiewicz, J.M. Brennan, K.A. Brown, D. Bruno, J.J. Butler, R. Connolly, T. D'Ottavio, K.A. Drees, A.V. Fedotov, W. Fischerpresenter, C.J. Gardner, D.M. Gassner, X. Gu, M. Harvey, T. Hayes, H. Huang, P.F. Ingrassia, J.P. Jamilkowski, N.A. Kling, J.S. Laster, C. Liu, Y. Luo, D. Maffei, Y. Makdisi, M. Mapes, G.J. Marr, A. Marusic, F. Méot, K. Mernick, R.J. Michnoff, M.G. Minty, C. Montag, J. Morris, C. Naylor, S. Nemesure, A.I. Pikin, P.H. Pile, V. Ptitsyn, D. Raparia, T. Roser, P. Sampson, J. Sandberg, V. Schoefer, C. Schultheiss, F. Severino, T.C. Shrey, K.S. Smith, S. Tepikian, P. Thieberger, D. Trbojevic, J.E. Tuozzolo, B. Van Kuik, M. Wilinski, Q. Wu, A. Zaltsman, K. Zeno, W. Zhang BNL, Upton, Long Island, New York, USA
Abstract	After running uranium-uranium and copper-gold collisions in 2012, the high energy heavy ion run of the Relativistic Heavy Ion Collider (RHIC) for Fiscal Year 14 (Run14) is back to gold-gold (Au-Au) collisions at 100 GeV/nucleon. Following the level of performance achieved in Run12, RHIC is still looking to push both instantaneous and integrated luminosity goals. To that end, a new 56 MHz superconducting RF cavity was installed and commissioned, designed to keep ions in one RF bucket and improve luminosity by allowing a smaller beta function at the interaction point (IP) due to a reduced hourglass effect. The following presents an overview of these changes and reviews the performance of the collider.
Funding	Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy.
Paper	download TUPRO032.PDF [1.197 MB / 3 pages]
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Conference	IPAC2014, Dresden, Germany
Series	International Particle Accelerator Conference (5th)
Proceedings	Link to full IPAC2014 Proccedings
Session	Poster Session, Ronaldo Area
Date	17-Jun-14   16:00–18:00
Main Classification	01 Circular and Linear Colliders
Sub Classification	A01 Hadron Colliders
Keywords	luminosity, electron, kicker, cavity, ion
Publisher	JACoW Publishing, Geneva, Switzerland
Editors	Christine Petit-Jean-Genaz (CERN, Geneva, Switzerland); Gianluigi Arduini (CERN, Geneva, Switzerland); Peter Michel (HZDR, Dresden, Germany); Volker RW Schaa (GSI, Darmstadt, Germany)
ISBN	978-3-95450-132-8
Published	July 2014
Copyright	Copyright © 2014 by JACoW, Geneva, Switzerland     cc Creative Commons Attribution 3.0