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Single-top-quark production via W-gluon fusion at hadron colliders providesan opportunity to directly probe the charged-current interaction of the topquark. We calculate the next-to-leading-order corrections to this process atthe Fermilab Tevatron, the CERN Large Hadron Collider, and DESY HERA. Using ab-quark distribution function to sum collinear logarithms, we show that thereare two independent corrections, of order 1/[ln(m_t^2/m_b^2)] and alpha_s. Thisobservation is generic to processes involving a perturbatively derivedheavy-quark distribution function at an energy scale large compared with theheavy-quark mass.Comment: 19 pages, 9 figures, small update to Phys. Rev. D versio

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Single-top-quark production via<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>W</mml:mi></mml:math>-gluon fusion at next-to-leading order

Single-top-quark production viaW-gluon fusion at next-to-leading order