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Another Particle Accelerator Code

Project description


Python Version PyPI CI Docs

apace is yet another particle accelerator code designed for the optimization of beam optics. It is available as Python package and aims to provide a convenient and straightforward API to make use of Python's numerous scientific libraries.


Install and update using pip or pipenv:

pip install -U apace


  • Python 3.6 or higher (CPython or PyPy)
  • CFFI 1.0.0 or higher
  • NumPy/SciPy
  • Matplotlib

A Simple Example

Import apace:

import apace as ap

Create a ring consisting out of 8 FODO cells:

d1 = ap.Drift('D1', length=0.55)
b1 = ap.Bend('B1', length=1.5, angle=0.392701, e1=0.1963505, e2=0.1963505)
q1 = ap.Quad('Q1', length=0.2, k1=1.2)
q2 = ap.Quad('Q2', length=0.4, k1=-1.2)
fodo = ap.Cell('FODO', [q1, d1, b1, d1, q2, d1, b1, d1, q1])
ring = ap.Cell('RING', [fodo] * 8)

Calculate the Twiss parameters:

twiss = ap.Twiss(ring)

Plot horizontal and vertical beta functions using matplotlib:

import matplotlib.pyplot as plt
plt.plot(twiss.s, twiss.beta_x, twiss.beta_y, twiss.eta_x)


GNU General Public License v3.0

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Files for apace, version 0.0.2
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