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Factorizing closed string scattering into open strings

Published on:

8 February 2024

Primary Category:

High Energy Physics - Theory

Paper Authors:

Aphiwat Yuenyong,

Pongwit Srisangyingcharoen

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Key Details

Expresses closed string amplitudes via open/closed string amplitudes

Provides explicit 4-, 5-, 6-point amplitude factorizations

Generalizes to $n$-point amplitude relations

Addresses integration contour correction terms

Corrections negligible in field theory limit

AI generated summary

Factorizing closed string scattering into open strings

This paper establishes mathematical relationships to express closed string scattering amplitudes in terms of products of amplitudes involving open strings and a single closed string. Through complex variable transformations, closed string amplitudes with $n$ points are shown to factorize into combinations of amplitudes with $n-2$ open strings and one closed string. Explicit expressions are provided for 4-, 5-, and 6-point cases. More general $n$-point relations are also formulated. Possible correction terms from contour integration are addressed, which become negligible in field theory limits.

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