PAC 2005 - List of Authors

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Barlow, R.J.

Paper	Title	Page
TPPP023	Simulation of PEP-II Accelerator Backgrounds Using TURTLE	1835
	R.J. Barlow, H. Fieguth SLAC, Menlo Park, California W. Kozanecki CEA/DSM/DAPNIA, Gif-sur-Yvette S.A. Majewski Stanford University, Stanford, Califormia P. Roudeau, A. Stocchi LAL, Orsay
	We present studies of accelerator-induced backgrounds in the BaBar detector at the SLAC B-Factory, carried out using a modified version ofthe DECAY TURTLE simulation package. Lost-particle backgrounds in PEP-II are dominated by a combination of beam-gas bremstrahlung, beam-gas Coulomb scattering, radiative-Bhabha events and beam-beam blow-up. The radiation damage and detector occupancy caused by the associated electromagnetic shower debris can limit the usable luminosity. In order to understand and mitigate such backgrounds, we have performed a full programme of beam-gas and luminosity-background simulations, that include the effects of the detector solenoidal field, detailed modelling of limiting apertures in both collider rings, and optimization of the betatron collimation scheme in the presence of large transverse tails.
TPPP025	Modeling Lost-Particle Accelerator Backgrounds in PEP-II Using LPTURTLE	1889
	H. Fieguth, R.J. Barlow SLAC, Menlo Park, California W. Kozanecki CEA/DSM/DAPNIA, Gif-sur-Yvette
	Funding: Department of Energy Contract DE-AC02-76SF00515. Background studies during the design, construction, commissioning, operation and improvement of BaBar and PEP-II have been greatly influenced by results from a program referred to as LPTURTLE (Lost Particle TURTLE a modified version of Decay TURTLE) which was originally conceived for the purpose of studying gas background for SLC. This venerable program is still in use today. We describe its use, capabilities and improvements and refer to current results now being applied to BaBar.
RPPP028	Simulation of Wake Field Effects on High Energy Particle Beams	2018
	R.J. Barlow, G.Yu. Kourevlev, A. Mercer UMAN, Manchester
	We discuss the wake fields that are liable to arise in the Beam Delivery System of a Future Linear Collider, and we present studies made using the MERLIN simulation program of the effects such fields would have on the bunch shape and hence the luminosity of the proposed design.
RPPP036	A Test Facility for the International Linear Collider at SLAC End Station A for Prototypes of Beam Delivery and IR Components	2461
	M. Woods, R.A. Erickson, J.C. Frisch, C. Hast, R.K. Jobe, L. Keller, T.W. Markiewicz, T.V.M. Maruyama, D.J. McCormick, J. Nelson, N. Phinney, T.O. Raubenheimer, M.C. Ross, A. Seryi, S. Smith, Z. Szalata, P. Tenenbaum, M. Woodley SLAC, Menlo Park, California D.A.-K. Angal-Kalinin, C.D. Beard, F.J. Jackson, A. Kalinin CCLRC/DL/ASTeC, Daresbury, Warrington, Cheshire R. Arnold University of Massachusetts, Amherst D. Bailey , R.J. Barlow, G.Yu. Kourevlev, A. Mercer UMAN, Manchester S.T. Boogert, A. Liapine, S. Malton, D.J. Miller, M.W. Wing UCL, London P. Burrows, G.B. Christian, C.C. Clarke, A.F. Hartin, S. Molloy, G.R. White Queen Mary University of London, London D. Burton, N. Shales, J. Smith, A. Sopczak, R. Tucker Microwave Research Group, Lancaster University, Lancaster D. Cussans University of Bristol, Bristol C. Densham, J. Greenhalgh CCLRC/DL, Daresbury, Warrington, Cheshire M.H. Hildreth Notre Dame University, Notre Dame, Iowa Y.K. Kolomensky UCB, Berkeley, California W.F.O. Müller, T. Weiland TEMF, Darmstadt N. Sinev, E.T. Torrence University of Oregon, Eugene, Oregon M.S. Slater, M.T. Thomson, D.R. Ward University of Cambridge, Cambridge Y. Sugimoto KEK, Ibaraki S.W. Walston LLNL, Livermore, California N.K. Watson Birmingham University, Birmingham I. Zagorodnov DESY, Hamburg F. Zimmermann CERN, Geneva
	Funding: U.S. Department of Energy. The SLAC Linac can deliver damped bunches with ILC parameters for bunch charge and bunch length to End Station A (ESA). A 10Hz beam at 28.5 GeV energy can be delivered to ESA, parasitic with PEP-II operation. During the engineering design phase for the ILC over the next 5 years, we plan to use this facility to prototype and test key components of the Beam Delivery System (BDS) and Interaction Region (IR). We discuss our plans for this ILC Test Facility and preparations for carrying out experiments related to Collimator Wakefields, Materials Damage Tests and Energy Spectrometers. We also plan an IR Mockup of the region within 5 meters of the ILC Interaction Point to investigate effects from backgrounds and beam rf higher-order modes (HOMs).