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Smog2 minimum bias line

Saverio Mariani requested to merge samarian_MinimumBiasLine into master

Implementation of the Smog minimum bias line following the addition of some new tracklike functors in Rec!1703 (merged), LHCb!2134 (merged) and Rec!1709 (merged). Velo tracks are filtered requiring that: - the z position of their ClosestToBeam State falls into the Smog2 region. - have a large number of Velo hits.

With such requirements, pp accepted fraction of events is around 0.2%. Other than the implementation of the line, this MR also contains an option file similar to hlt1_example.py allowing to test the line on a pp, pgas or pp+pgas samples (all of them in public eos areas) and the correspondent qmt test file. Locally the qmtest completes with no errors.

The line prescale factor will be fixed depending on the target final throughput

cc: @ggrazian

Edited by Sascha Stahl

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