Berkovits, Nathan [UNESP]Casali, EduardoGuillen, Max [UNESP]Mason, Lionel2019-10-062019-10-062019-08-01Journal of High Energy Physics, v. 2019, n. 8, 2019.1029-84791126-6708http://hdl.handle.net/11449/189593The D = 11 pure spinor superparticle has been shown to describe linearized D = 11supergravityinamanifestlycovariantway. Anumberofauthorshaveproposedthat its correlation functions be used to compute amplitudes. The use of the scalar structure of the eleven-dimensional pure spinor top cohomology introduces a natural measure for computing such correlation functions. This prescription requires the construction of ghost number one and zero vertex operators. In these notes, we construct explicitly a ghost number one vertex operator but show the incompatibiliy of a ghost number zero vertex operator satisfying a standard descent equation for D = 11 supergravity.engBRST QuantizationM-TheorySupergravity ModelsArtigo10.1007/JHEP08(2019)178Acesso aberto2-s2.0-85071659103