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Four-Point Amplitude from Open Superstring Field Theory

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arxiv hep-th/9912120 v2 pith:A75CDM22 submitted 1999-12-14 hep-th

Nathan Berkovits , Carlos Tello Echevarria (IFT/UNESP , Sao Paulo) This is my paper
classification hep-th
keywords actionamplitudefieldfour-pointopensuperstringtermtheory
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An open superstring field theory action has been proposed which does not suffer from contact term divergences. In this paper, we compute the on-shell four-point tree amplitude from this action using the Giddings map. After including contributions from the quartic term in the action, the resulting amplitude agrees with the first-quantized prescription.

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