Systematics: from raw asymmetry to physics results

Form raw measured asymmetry from the detector yields:

Correct for false asymmetries from helicity-correlated beam properties:

Correct for background and its asymmetry:

• helicity-correlated beam properties

• deadtime corrections

• background dilution factor correction

Correct for beam polarization and radiative corrections:

• electron beam polarization

• electromagnetic radiative corrections

Correct for measured Q2 and EM form factors:

• <Q2> determination

• electromagnetic form factors