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  Universality in string interactions

Huang, Y.-t., Schlotterer, O., & Wen, C. (2016). Universality in string interactions. Journal of high energy physics: JHEP, 2016(09): 155. doi:10.1007/JHEP09(2016)155.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-0BC1-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-CD37-C
Genre: Journal Article

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1602.01674.pdf (Preprint), 153KB
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 Creators:
Huang, Yu-tin, Author
Schlotterer, Oliver1, Author              
Wen, Congkao, Author
Affiliations:
1Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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Free keywords: High Energy Physics - Theory, hep-th,General Relativity and Quantum Cosmology, gr-qc
 Abstract: In this letter, we provide evidence for universality in the low-energy expansion of tree-level string interactions. More precisely, in the alpha'-expansion of tree-level scattering amplitudes, we conjecture that the leading transcendental coefficient at each order in alpha' is universal for all perturbative string theories. We have checked this universality up to seven points and trace its origin to the ability to restructure the disk integrals of open bosonic string into those of the superstring. The accompanying kinematic functions have the same low-energy limit and do not introduce any transcendental numbers in their alpha'-corrections. Universality in the closed-string sector then follows from the KLT-relations.

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 Dates: 2016-02-0420162016
 Publication Status: Published in print
 Pages: 5 pages, Mathematica notebook on the five-point open-string amplitude included in submission
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1602.01674
URI: http://arxiv.org/abs/1602.01674
DOI: 10.1007/JHEP09(2016)155
 Degree: -

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Title: Journal of high energy physics : JHEP
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2016 (09) Sequence Number: 155 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111021927548002