Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Fast Particle Tracking With Wake Fields   Tracking calculations of charged particles in electromagnetic fields require
in principle the simultaneous solution of the equation of motion and of
Maxwell's equations. In many tracking codes a simpler and more efficient
approach is used: external fields like that of the accelerating structures are
provided as field maps, generated in separate computations and for the
calculation of self fields the model of a particle bunch in uniform motion is
used. We describe how an externally computed wake function can be approximated
by a table of Taylor coefficients and how the wake field kick can be calculated
for the particle distribution in a tracking calculation. The integrated kick,
representing the effect of a distributed structure, is applied at a discrete
time. As an example, we use our approach to calculate the emittance growth of a
bunch in an undulator beam pipe due to resitive wall wake field effects.

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The categories of this paper are: comp-gas
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The categories of this paper are: quant-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: bayes-an
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The categories of this paper are: econ
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The categories of this paper are: supr-con
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The categories of this paper are: adap-org
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The categories of this paper are: mtrl-th
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The categories of this paper are: funct-an
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The categories of this paper are: q-bio
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The categories of this paper are: math-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: cmp-lg
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The categories of this paper are: hep-ph
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The categories of this paper are: hep-th
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The categories of this paper are: cs