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Abstract
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 superspace fixes their form. We give evidence by deriving the pure spinor superspace expression of the massive field-theory n-point tree amplitude with one first-level massive and n-1 massless states in two ways: 1) from BRST cohomology arguments in pure spinor superspace and 2) from the α′2 correction to the massless string amplitudes by inverting the unitarity constraint in superspace.
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e-pub ahead of print date: 16 July 2024
Published date: 16 July 2024
Additional Information:
14 pages. Compile with xetex to obtain correct offsets for hyperlink pointers
Keywords:
hep-th
Identifiers
Local EPrints ID: 492176
URI: http://eprints.soton.ac.uk/id/eprint/492176
PURE UUID: 7fc8e210-cef0-493f-8c87-cb1a39d888f2
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Date deposited: 19 Jul 2024 16:30
Last modified: 31 Jul 2024 01:46
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