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1999
It is built from checkable properties of the record itself: whether the article has a DOI, how many independent sources confirmed its data, whether the required fields are filled in, and how recent the latest confirmation is. Disagreement between sources and a missing identifier lower it. A value of 80 or above means the record was published without further checking; 60 to 79 means it is published at reduced confidence, with a manual check advisable. A record verified by an editor by hand is never pushed below 90 by a recalculation. This scores our data about the article, not the article itself.
Radiative corrections to the cross section of the radiative large-angle Bhabha scattering process at high energies are calculated. The kinematics in which a hard photon is emitted along one of the momentum directions of the charged fermions is considered. Contributions coming from the emission of virtual, soft, and hard additional photons are taken into account in the leading logarithmic approximation.