17–22 May 2026
C.I.D
Europe/Zurich timezone

Correction of the Path-Length Coordinate in Trackcpp for Accurate Longitudinal Tracking

THP5321
21 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Poster Presentation MC5.D03: Calculations of EM fields Theory and Code Developments Poster session

Speaker

Matheus Velloso (Brazilian Synchrotron Light Laboratory)

Description

The Trackcpp application, developed by the Accelerator Physics Group at the Brazilian Synchrotron Light Laboratory, models synchrotron accelerators and beam transport lines to perform six-dimensional particle tracking and optics calculations. The path length, one of these coordinates, measures the difference between a particle's arrival time, in units of length, and the accelerator cumulative length. This variable is therefore fundamental for describing the interaction of radio-frequency cavities and particles. However, the current implementation leads to limitations when simulating the longitudinal motion in accelerators that operate with non-nominal RF frequency. This work proposes a modification to the path length variable that enables accurate longitudinal tracking at arbitrary RF frequencies.

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Author

Vitor De Souza (Brazilian Synchrotron Light Laboratory)

Co-authors

Fernando Henrique de Sá (Brazilian Synchrotron Light Laboratory) Matheus Velloso (Brazilian Synchrotron Light Laboratory) Ximenes Resende (Brazilian Synchrotron Light Laboratory)

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