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A simple method to determine charge-dependent curvature biases in track reconstruction in hadron collider experiments

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arxiv 2101.05675 v3 pith:22SDUBMK submitted 2021-01-14 hep-ex

classification hep-ex
keywords methodbiasescharge-dependentcurvaturedetectorexperimentshadronapplicability
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

A new data-driven method, using $Z \rightarrow \mu^+ \mu^-$ decays, is proposed to correct for charge-dependent curvature biases in spectrometer experiments at hadron colliders. The method is studied assuming a detector with a "forward-spectrometer" geometry similar to that of the LHCb experiment, and is shown to reliably control several simplified detector mis-alignment configurations. The applicability of the method for use in measurements of precision electroweak observables is evaluated.

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