felarc 0.2.0

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Installation

Development

I use uv with direnv and the Python+uv direnv layout.

$ git clone https://github.com/st-walker/felarc
$ uv sync --group dev
$ uv run jupyter/pytest/whatever
$ # OR:
$ # OR: just jupyter with the .envrc:
$ direnv allow
$ # OR:
$ source .venv/bin/activate

TODO

Simple TBA

Source: High Energy Beam Optics

• Refactor notebook functions to package.
• Introduce linear maps for solving equations to find best parameters.
• Get reasonable Twiss parameters in the TBA based on similar value from the T20 design.
• Track using STN beam with CSR and check result.

New Family

Source: A New Family of Isochronous Arcs

• Implement the basic version with optionally different inner dipole strength.
• Do the full parametristation.
• Come up with some reasonable implementation.
• Track with CSR.

Simple DBA

• Make a DBA.
• Track and show impact of CSR
• Make DBA

Combined CSR Mitigation with Isochronicity

Source: Quasi-isochronous triple-bend achromat with periodic stable optics and negligible coherent-synchrotron-radiation effects

• Fill this out

Miscellaneous

• Add plot for D / rho for the dipoles
• Add STN10 beam file for 100pC and 250pC with utilities for loading and artificial matching.
• TBA plot showing the depenence of the dipole angles on the required dispersions at the inner dipole.
• Derive the isochronicity condition.