N-point tree-level scattering amplitude in the new Berkovits' string
Data de publicação2014-04-07
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We give a proof that the pure spinor superstring theory in a novel infinite tension limit, as was discussed recently by Berkovits, reproduces the tree-level scattering amplitudes of the ten-dimensional = 1 super Yang-Mills in its heterotic version and type II supergravity in its type II version. The Yang-Mills case agrees with the result obtained by Mafra, Schlotterer, Stieberger and Tsimpis.