4.7 Article

spinney: A Form library for helicity spinors

Journal

COMPUTER PHYSICS COMMUNICATIONS
Volume 182, Issue 11, Pages 2368-2387

Publisher

ELSEVIER
DOI: 10.1016/j.cpc.2011.06.007

Keywords

Spinor-helicity formalism; Form; Symbolical manipulation

Funding

  1. Dutch Foundation for Fundamental Research on Matter (FOM) [FORM 07PR2556]
  2. British Science and Technology Facilities Council (STFC)

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In this work, the library spinney is presented, which provides an implementation of helicity spinors and related algorithms for the symbolical manipulation program Form. The package is well suited for symbolic amplitude calculations both in traditional, Feynman diagram based approaches and unitarity-based techniques.

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