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Four-fermion production near the W-pair production threshold
P. Falgari
I report on recent results for the total production cross section of the process e- e+ -> mu- nubar_mu u dbar X near the W-pair production threshold up to next-to-leading order in…
NNNLO correction to the toponium and bottomonium wave-functions at the origin
M. Beneke, Y. Kiyo, A. Penin +1
We report new results of the NNNLO correction to the S-wave quarkonium wave-functions at the origin, which also provide an estimate of the resonance cross section in t-tbar thresho…
Four-fermion production near the W pair production threshold
Martin Beneke, Pietro Falgari, Christian Schwinn +2
We perform a dedicated study of the four-fermion production process e- e+ -> mu- nubar_mu u dbar X near the W pair-production threshold in view of the importance of this process fo…
Ultrasoft contribution to quarkonium production and annihilation
M. Beneke, Y. Kiyo, A. A. Penin
We compute the third-order correction to electromagnetic S-wave quarkonium production and annihilation rates due to the emission and absorption of an ultrasoft gluon. Our result co…