Landau singularities from the amplituhedron

Dennen, T.; Prlina, I.; Spradlin, M.; Stanojevic, S.; Volovich, A.

doi:10.1007/JHEP06(2017)152

Title: Landau singularities from the amplituhedron

Journal Article · Wed Jun 28 00:00:00 EDT 2017 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP06(2017)152· OSTI ID:1424013

Dennen, T. ^[1]; Prlina, I. ^[2]; Spradlin, M. ^[2]; Stanojevic, S. ^[2]; Volovich, A. ^[2]

Brown Univ., Providence, RI (United States); Google Inc., Mountain View, CA (United States)
Brown Univ., Providence, RI (United States)

We propose a simple geometric algorithm for determining the complete set of branch points of amplitudes in planar N = 4 super-Yang-Mills theory directly from the amplituhedron, without resorting to any particular representation in terms of local Feynman integrals. This represents a step towards translating integrands directly into integrals. In particular, the algorithm provides information about the symbol alphabets of general amplitudes. We illustrate the algorithm applied to the one- and two-loop MHV amplitudes.

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Research Organization:: Brown Univ., Providence, RI (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

Grant/Contract Number:: sc0010010

OSTI ID:: 1424013

Journal Information:: Journal of High Energy Physics (Online), Vol. 2017, Issue 6; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 29 works

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References (63)

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All-Helicity Symbol Alphabets from Unwound Amplituhedra Prlina, Igor; Spradlin, Marcus; Stankowicz, James arXiv https://doi.org/10.48550/arxiv.1711.11507	text	January 2017
Boundaries of Amplituhedra and NMHV Symbol Alphabets at Two Loops Prlina, Igor; Spradlin, Marcus; Stankowicz, James arXiv https://doi.org/10.48550/arxiv.1712.08049	text	January 2017

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