Near-threshold production of heavy quarks with QQbar_threshold

11 May 2016 · Beneke M., Kiyo Y., Maier A., Piclum J. ·

We describe the QQbar_threshold library for computing the production cross section of heavy quark-antiquark pairs near threshold at electron-positron colliders. The prediction includes all presently known QCD, electroweak, Higgs, and nonresonant corrections in the combined nonrelativistic and weak-coupling expansion.