1-loop four-point open string correlator with one massive state

The files below contain the bosonic component expansions of the scalar and vectorial BRST blocks of the massive one-loop correlators computed in 2508.09930 with the pure spinor formalism. They can be loaded using FORM.

• All 3 scalar BRST invariants at four points (31 KB)
• The scalar BRST invariant at three points (253 B)
• The vectorial BRST invariant C^m_{1|2,3,4} at four points (34 KB)

• The tensor mapped to the Young diagram 4,2,1,1 (88 KB)

For the Berends-Giele component derivation of the massive partial tree amplitudes, see 2104.03314 by Guillen et. al. For the pure spinor cohomology derivation, see 2407.11847.

• The tree-level kinematic factor at four points with one massive state (3.8 KB)
• The tree-level kinematic factor at three points with one massive state (288 B)