RHIC Operation with Asymmetric Collisions in 2015

Liu, Chuyu; Aschenauer, Elke; Atoian, Grigor; Blaskiewicz, Michael; Brown, Kevin; Bruno, Donald; Connolly, Roger; D'Ottavio, Ted; Drees, Kirsten; Fischer, Wolfram; Gardner, Chris; Gu, Xiaofeng; Hayes, Thomas; Huang, Haixin; Hulsart, Robert; Laster, Jonathan; Luo, Yun; Makdisi, Yousef; Marr, Gregory; Marusic, Al; Méot, Francois; Mernick, Kevin; Michnoff, Robert; Minty, Michiko; Montag, Christoph; Morris, John; Narayan, Geetha; Nayak, Sumanta; Nemesure, Seth; Pile, Philip; Poblaguev, Andrei; Ranjbar, Vahid; Robert-Demolaize, Guillaume; Roser, Thomas; Schmidke, William; Schoefer, Vincent; Severino, Freddy; Shrey, Travis; Smith, Kevin; Steski, Dannie; Tepikian, Steven; Trbojevic, Dejan; Tsoupas, Nicholaos; Wang, Gang; White, Simon; Yip, Kin; Zaltsman, Alex; Zeno, Keith; Zhang, S.

doi:10.18429/JACoW-IPAC2016-TUPMW038

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Title

RHIC Operation with Asymmetric Collisions in 2015

Authors

C. Liu, E.C. Aschenauer, G. Atoian, M. Blaskiewicz, K.A. Brown, D. Bruno, R. Connolly, T. D'Ottavio, K.A. Drees, W. Fischerpresenter, C.J. Gardner, X. Gu, T. Hayes, H. Huang, R.L. Hulsart, J.S. Laster, Y. Luo, Y. Makdisi, G.J. Marr, A. Marusic, F. Méot, K. Mernick, R.J. Michnoff, M.G. Minty, C. Montag, J. Morris, G. Narayan, S.K. Nayak, S. Nemesure, P.H. Pile, A. Poblaguev, V.H. Ranjbar, G. Robert-Demolaize, T. Roser, W.B. Schmidke, V. Schoefer, F. Severino, T.C. Shrey, K.S. Smith, D. Steski, S. Tepikian, D. Trbojevic, N. Tsoupas, G. Wang, K. Yip, A. Zaltsman, K. Zeno, S.Y. Zhang
BNL, Upton, Long Island, New York, USA
S.M. White
ESRF, Grenoble, France

Abstract

Collisions with beams of highly asymmetric rigidities (proton-Gold and proton-Aluminum) were provided for the RHIC physics programs in 2015. Magnets were moved for the first time in RHIC prior to the run to accommodate the asymmetric beam trajectories during acceleration and at store. A special ramping scheme was designed to keep the revolution frequencies of the beams in the two rings equal. The unique operational experience of the asymmetric run will be reviewed.

Funding

Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy.

Paper

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Conference

IPAC2016, Busan, Korea

Series

International Particle Accelerator Conference (7th)

Proceedings

Link to full IPAC2016 Proccedings

Session

Poster Session

Date

10-May-16 16:00–18:00

Main Classification

01 Circular and Linear Colliders

Sub Classification

A01 Hadron Colliders

Keywords

proton, operation, injection, emittance, cavity

Publisher

JACoW, Geneva, Switzerland

Editors

Christine Petit-Jean-Genaz (CERN, Geneva, Switzerland); Dong Eon Kim (PAL, Pohang, Republic of Korea); Kyung Sook Kim (PAL, Pohang, Republic of Korea); In Soo Ko (POSTECH, Pohang, Republic of Korea); Volker RW Schaa (GSI, Darmstadt, Germany)

ISBN

978-3-95450-147-2

Published

June 2016

Copyright © 2016 by JACoW, Geneva, Switzerland
cc Creative Commons Attribution 3.0