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Corryvreckan - A Modular 4D Track Reconstruction and Analysis Software for Test Beam Data

Williams, Morag; Kröger, Jens; Huth, Lennart; Schütze, Paul; Spannagel, Simon

Buckland, Matthew Daniel; Burgard, Carsten Daniel; Colocci, Manuel; Cheng, Chun; Dannheim, Dominik; Dort, Katharina; Ferk, Alexander; Fiergolski, Adrian; Hynds, Daniel; Mager, Magnus; Nürnberg, Andreas Matthias; Padeken, Klaas; Pitters, Florian; Vanat, Tomas; Zhang, Jin

Corryvreckan is a versatile, highly configurable software with a modular structure designed to reconstruct and analyse test beam and laboratory data. It caters to the needs of the test beam community by providing a flexible offline event building facility to combine detectors with different read-out schemes, with or without trigger information, and includes the possibility to correlate data from multiple devices based on timestamps.

Hit timing information, available with high precision from an increasing number of detectors, can be used in clustering and tracking to reduce combinatorics. Several algorithms, including an implementation of Millepede-II, are provided for offline alignment. A graphical user interface enables direct monitoring of the reconstruction progress and can be employed for quasi-online monitoring during data taking.

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