Massive superstring scatterings in the Regge regime

Song He*, Jen-Chi Lee, Keijiro Takahashi, Yi Yang

*此作品的通信作者

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9 引文 斯高帕斯(Scopus)

摘要

We calculate four classes of high-energy massive string scattering amplitudes of fermionic string theory at arbitrary mass levels in the Regge regime (RR). We show that all four leading order amplitudes in the RR can be expressed in terms of the Kummer function of the second kind. Based on the summation algorithm of a set of extended signed Stirling number identities, we show that all four ratios calculated previously by the method of decoupling of zero-norm states among scattering amplitudes in the Gross regime can be extracted from this Kummer function in the RR. Finally, we conjecture and give evidence that the existence of these four Gross regime ratios in the RR persists to subleading orders in the Regge expansion of all high-energy fermionic string scattering amplitudes.

原文English
文章編號066016
期刊Physical Review D - Particles, Fields, Gravitation and Cosmology
83
發行號6
DOIs
出版狀態Published - 31 三月 2011

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