TY - RPRT TI - Two-loop Sudakov form factor in a theory with a mass gap. AU - Bernd Feucht AU - Johann H Kühn AU - Alexander A Penin AU - Vladimir A Smirnov PY - 2004 DO - 10.1103/physrevlett.93.101802 UR - https://pubmed.ncbi.nlm.nih.gov/15447396/ ID - 15447396 ER -