IPAC'10 - List of Authors (Kelliher, D.J.)

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Kelliher, D.J.

Paper	Title	Page
MOPEA022	PAMELA: Lattice Solution for a Medical C⁶⁺ Therapy Facility	115
	S.L. Sheehy, K.J. Peach, H. Witte, T. Yokoi JAI, Oxford D.J. Kelliher, S. Machida STFC/RAL/ASTeC, Chilton, Didcot, Oxon
	PAMELA (Particle Accelerator for MEdicaL Applications) employs novel non-scaling Fixed Field Alternating Gradient (NS-FFAG) technology in the development of a proton and C⁶⁺ particle therapy facility. One of the challenges of this design is the acceleration of high energy C⁶⁺ in a lattice which enables high flexibility and reliability for treatments, yet remains minimal in size and complexity. Discussed here is the Carbon 6+ lattice solution in terms of both design and performance.
MOPEA021	PAMELA Overview and Status	112
	K.J. Peach, J.H. Cobb, S.L. Sheehy, H. Witte, T. Yokoi JAI, Oxford M. Aslaninejad, M.J. Easton, J. Pasternak Imperial College of Science and Technology, Department of Physics, London R.J. Barlow, H.L. Owen, S.C. Tygier UMAN, Manchester C.D. Beard, P.A. McIntosh, S.M. Pattalwar, S.L. Smith, S.I. Tzenov STFC/DL/ASTeC, Daresbury, Warrington, Cheshire N. Bliss, T.J. Jones, J. Strachan STFC/DL, Daresbury, Warrington, Cheshire T.R. Edgecock, J.K. Pozimski STFC/RAL, Chilton, Didcot, Oxon R.J.L. Fenning, A. Khan Brunel University, Middlesex I.S.K. Gardner, D.J. Kelliher, S. Machida STFC/RAL/ASTeC, Chilton, Didcot, Oxon M.A. Hill GIROB, Oxford C. Johnstone Fermilab, Batavia B. Jones, B. Vojnovic Gray Institute for Radiation Oncology and Biology, Oxford R. Seviour Cockcroft Institute, Lancaster University, Lancaster
	The status of PAMELA (Particle Accelerator for MEdicaL Applications) ' an accelerator for proton and light ion therapy using a non-scaling FFAG (ns-FFAG) accelerator ' is reviewed and discussed.
MOPEC043	Error Study of a Novel Non-linear, Nonscaling FFAG	555
	D.J. Kelliher, S. Machida STFC/RAL/ASTeC, Chilton, Didcot, Oxon S.L. Sheehy JAI, Oxford
	A novel nonlinear, nonscaling FFAG ring has been designed for proton and ion acceleration [1]. It can be used for proton and carbon therapy as well as a proton driver for various facilities such as a high intensity neutrino factory. The machine has novel features including variable energy extraction and a high repetition rate of about 1 kHz. Taking as an example the PAMELA proton ring, under study at the John Adams Institute in Oxford, we present results of an error study. A calculation of alignment tolerance is made, in which the effects of translational misalignments of the triplet magnets are included. The effect of misalignments on the dynamic aperture of the machine is investigated. [1] S. L. Sheehy, K. J. Peach, H. Witte, D. J. Kelliher and S. Machida, Phys. Rev. ST Accel. Beams, 13 (2010) 040101
WEPE053	Muon Polarimeter in a Neutrino Factory Decay Ring	3464
	M. Apollonio Imperial College of Science and Technology, Department of Physics, London A.P. Blondel DPNC, Genève D.J. Kelliher STFC/RAL/ASTeC, Chilton, Didcot, Oxon
	Monitoring the muon beam properties in the final stage of the Neutrino Factory (the Decay Ring) is important for the understanding of the beam itself and a crucial piece of information for the downstream physics detectors. The main topics to be assessed are: knowledge of the muon beam energy, divergence of the muon beam and muon beam current. In the framework of the International Design Study for the Neutrino Factory (IDS-NF) a Race Track model Decay Ring based on G4beamline has been produced to understand how electrons from muon decays can be used to infer the energy properties of the beam via the spin depolarisation technique. The use of other codes, like Zgoubi, to generate a realistic beam including effects like spin polarisation, are considered. A general discussion on the remaining topics is presented.
WEPE056	Accelerator and Particle Physics Research for the Next Generation Muon to Electron Conversion Experiment - the PRISM Task Force	3473
	J. Pasternak, L.J. Jenner, Y. Uchida Imperial College of Science and Technology, Department of Physics, London R.J. Barlow UMAN, Manchester K.M. Hock, B.D. Muratori Cockcroft Institute, Warrington, Cheshire D.J. Kelliher, S. Machida, C.R. Prior STFC/RAL/ASTeC, Chilton, Didcot, Oxon Y. Kuno, A. Sato Osaka University, Osaka A. Kurup Fermilab, Batavia J.-B. Lagrange, Y. Mori KURRI, Osaka M. Lancaster UCL, London S.A. Martin FZJ, Jülich C. Ohmori KEK/JAEA, Ibaraki-Ken J. Pasternak STFC/RAL, Chilton, Didcot, Oxon S.L. Smith STFC/DL/ASTeC, Daresbury, Warrington, Cheshire H. Witte, T. Yokoi JAI, Oxford
	The next generation of lepton flavour violation experiments will use high intensity and high quality muon beams. Such beams can be produced by sending a short proton pulse to the pion production target, capturing pions and performing RF phase rotation on the resulting muon beam in an FFAG ring, which was proposed for the PRISM project. A PRISM task force was created to address the accelerator and detector issues that need to be solved in order to realise the PRISM experiment. The parameters of the initial proton beam required and the PRISM experiment are reviewed. Alternative designs of the PRISM FFAG ring are presented and compared with the reference design. The ring injection/extraction system, matching with the solenoid channel and progress on the ring's main hardware systems like RF and kicker magnet are discussed. The activity on the simulation of a high sensitivity experiment and the impact on physics reach is described. The progress and future directions of the study are presented in this paper.
WEPE057	Injection/Extraction System of the Muon FFAG for the Neutrino Factory	3476
	J. Pasternak, M. Aslaninejad Imperial College of Science and Technology, Department of Physics, London J.S. Berg BNL, Upton, Long Island, New York D.J. Kelliher, S. Machida STFC/RAL/ASTeC, Chilton, Didcot, Oxon J. Pasternak STFC/RAL, Chilton, Didcot, Oxon H. Witte JAI, Oxford
	Nonscaling FFAG is required for the muon acceleration in the Neutrino Factory, which baseline design is under investigation in the International Design Study (IDS-NF). In order to inject/extract the muon beam with a very large emittance, several strong kickers with a very large aperture are required distributed in many lattice cells. Once the sufficient orbit separation is obtained by the kickers, the final degree of separation from the lattice is made by the septum, which needs to be superconducting. The geometry of the symmetric solutions allowing to inject/extract both signs of muons is presented. The preliminary design of the kicker and septum magnets is given.
THPD023	Beam Dynamics Simulations regarding the Experimental FFAG EMMA, using the on-line code	4322
	F. Méot CEA, Gif-sur-Yvette Y. Giboudot Brunel University, Middlesex D.J. Kelliher STFC/RAL/ASTeC, Chilton, Didcot, Oxon T. Yokoi JAI, Oxford
	The Electron Model for Many Applications FFAG (EMMA) has been the object of extensive beam dynamics simulations during its design and construction phases, using the ray-tracing code Zgoubi, which has been retained as the on-line simulation engine. On the other hand EMMA commissioning requires further advanced beam dynamics studies as well as on-line and off-line simulations. This contribution reports on some aspects of the studies so performed during the last months using Zgoubi.
THPD024	Recent Developments On The EMMA On-line Commissioning Software	4325
	F. Méot CEA, Gif-sur-Yvette J.S. Berg BNL, Upton, Long Island, New York Y. Giboudot Brunel University, Middlesex D.J. Kelliher, S. Machida STFC/RAL/ASTeC, Chilton, Didcot, Oxon B.J.A. Shepherd STFC/DL/ASTeC, Daresbury, Warrington, Cheshire S.C. Tygier UMAN, Manchester
	The EMMA (Electron Model for Many Applications) FFAG experiment at Daresbury will involve on-line modeling (a ‘‘Virtual EMMA'') based on stepwise ray-tracing methods. Various aspects of the code of concern and of its interfacing to real world - machine and users - are addressed.
THPD027	Orbit Correction in a non-scaling FFAG	4334
	D.J. Kelliher, S. Machida STFC/RAL/ASTeC, Chilton, Didcot, Oxon S.L. Sheehy JAI, Oxford
	EMMA - the Electron Model of Many Applications - is to be built at the STFC Daresbury Laboratory in the UK and will be the first non-scaling FFAG ever constructed. The purpose of EMMA is to study beam dynamics in such an accelerator. The EMMA orbit correction scheme must deal with two characteristics of a non-scaling FFAG: i.e. the lack of a well defined reference orbit and the variation with momentum of the phase advance between lattice elements. In this study we present a novel orbit correction scheme that avoids the former problem by instead aiming to maximise both the symmetry of the orbit and the physical aperture of the beam. The latter problem is dealt with by optimising the corrector strengths over the energy range.
THPD028	Preparations for EMMA Commissioning	4337
	B.D. Muratori, J.K. Jones, A. Kalinin, A.J. Moss, Y.M. Saveliev, R.J. Smith, S.L. Smith, S.I. Tzenov, A.E. Wheelhouse STFC/DL/ASTeC, Daresbury, Warrington, Cheshire G. Cox STFC/DL, Daresbury, Warrington, Cheshire D.J. Holder Cockcroft Institute, Warrington, Cheshire D.J. Kelliher, S. Machida STFC/RAL/ASTeC, Chilton, Didcot, Oxon
	The first results from commissioning EMMA - the Electron Model of Many Applications- are summarised in this paper. EMMA is a 10 to 20 MeV electron ring designed to test our understanding of beam dynamics in a relativistic linear non-scaling fixed field alternating gradient accelerator (FFAG). EMMA will be the world's first non-scaling FFAG and the paper will outline the characteristics of the beam injected in to the accelerator as well as summarising the results of the extensive EMMA systems commissioning. The paper will report on the results of simulations of this commissioning and on the progress made with beam commissioning.
THPE034	A Non-Scaling FFAG Gantry Design for the PAMELA Project	4593
	R.J.L. Fenning, A. Khan Brunel University, Middlesex T.R. Edgecock STFC/RAL, Chilton, Didcot, Oxon D.J. Kelliher, S. Machida STFC/RAL/ASTeC, Chilton, Didcot, Oxon
	A gantry is required for the PAMELA project using non-scaling Fixed Field Alternating Gradient (NS-FFAG) magnets. The NS-FFAG principle offers the possibility of a gantry much smaller, lighter and cheaper than conventional designs, with the added ability to accept a wide range of fast changing energies. This paper will build on previous work to investigate a design which could be used for the PAMELA project.
THPEC090	The EMMA Non-scaling FFAG	4266
	T.R. Edgecock STFC/RAL, Chilton, Didcot, Oxon C.D. Beard, J.A. Clarke, S.A. Griffiths, C. Hill, S.P. Jamison, J.K. Jones, A. Kalinin, K.B. Marinov, N. Marks, P.A. McIntosh, B.D. Muratori, J.F. Orrett, Y.M. Saveliev, B.J.A. Shepherd, R.J. Smith, S.L. Smith, S.I. Tzenov, A.E. Wheelhouse STFC/DL/ASTeC, Daresbury, Warrington, Cheshire J.S. Berg BNL, Upton, Long Island, New York N. Bliss, B.G. Martlew, C.J. White STFC/DL, Daresbury, Warrington, Cheshire M.K. Craddock UBC & TRIUMF, Vancouver, British Columbia J.L. Crisp, C. Johnstone Fermilab, Batavia Y. Giboudot Brunel University, Middlesex E. Keil CERN, Geneva D.J. Kelliher, S. Machida STFC/RAL/ASTeC, Chilton, Didcot, Oxon S.R. Koscielniak TRIUMF, Vancouver F. Méot CEA, Gif-sur-Yvette J. Pasternak Imperial College of Science and Technology, Department of Physics, London S.L. Sheehy, T. Yokoi JAI, Oxford
	The Electron Model for Many Applications (EMMA) will be the World's first non-scaling FFAG and is under construction at the STFC Daresbury Laboratory in the UK. Construction is due for completion in March 2010 and will be followed by commissioning with beam and a detailed experimental programme to study the functioning of this type of accelerator. This paper will give an overview of the motivation for the project and describe the EMMA design and hardware. The first results from commissioning will be presented in a separate paper.