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hep-th2024
Towards massive field-theory amplitudes from the cohomology of pure spinor superspace
Carlos R. Mafra
By analogy with the formula for the massless string disk amplitudes, we define massive field-theory tree amplitudes and conjecture that the BRST cohomology structure of pure spinor…
hep-th2024
Massless representation of massive superfields and tree amplitudes with the pure spinor formalism
Sitender Pratap Kashyap, Carlos R. Mafra, Mritunjay Verma +1
We construct the unintegrated vertex operator at the first mass level of the open superstring from the OPE of massless vertices. Using BRST cohomology manipulations, the tree ampli…