Beam Dynamics in NS-FFAG EMMA with Dynamical Maps

Y. Giboudot, R. Nilavalan, R. Edgecock, A. Wolski

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The Non-Scaling Fixed Field Alternating Gradient accelerator EMMA has a compact linear lattice, in which the effects of magnet fringe fields need to be modelled carefully. A numerical magnetic field map can be generated from magnet measurements or magnet design software. We have developed a technique that produces from the numerical field map, a dynamical map for a particle travelling in a full EMMA cell, for a given reference energy, without acceleration. Since the beam dynamics change with energy, a set of maps have been produced with various reference energies between 10MeV and 20MeV. For each reference energy, the simulated tune and time of flight have been compared with results in Zgoubi - tracking directly through numerical field map. The range of validity of a single map has been investigated by tracking particles with large energy deviation: the results can be used to implement a model of acceleration based on dynamical maps.

Original languageEnglish
Title of host publicationIPAC 2010
Subtitle of host publication1st International Particle Accelerator Conference
EditorsAkira Noda, Christine Petit-Jean-Genaz, Volker R. W. Schaa, Toshiyuki Shirai, Akihiro Shirakawa
PublisherJoint Accelerator Conferences Website (JACoW)
Pages1856-1858
Number of pages3
ISBN (Print)9789290833529
Publication statusPublished - Jun 2010
Externally publishedYes
Event1st International Particle Accelerator Conference - Kyoto International Conference Center, Kyoto, Japan
Duration: 23 May 201028 May 2010
Conference number: 1
http://inspirehep.net/record/1358439?ln=en

Conference

Conference1st International Particle Accelerator Conference
Abbreviated titleIPAC 2010
CountryJapan
CityKyoto
Period23/05/1028/05/10
Internet address

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  • Cite this

    Giboudot, Y., Nilavalan, R., Edgecock, R., & Wolski, A. (2010). Beam Dynamics in NS-FFAG EMMA with Dynamical Maps. In A. Noda, C. Petit-Jean-Genaz, V. R. W. Schaa, T. Shirai, & A. Shirakawa (Eds.), IPAC 2010: 1st International Particle Accelerator Conference (pp. 1856-1858). [TUPEC058] Joint Accelerator Conferences Website (JACoW).