Massless representation of massive superfields and tree amplitudes with the pure spinor formalism

Abstract 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 amplitude of two massless and one massive state is rewritten in terms of the pure spinor superspace kinematic expres...

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Bibliographic Details
Main Authors: Sitender Pratap Kashyap, Carlos R. Mafra, Mritunjay Verma, Luis Ypanaqué
Format: Article
Language:English
Published: SpringerOpen 2025-02-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP02(2025)215