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S@M, a mathematica implementation of the spinor-helicity formalism


Maître, D; Mastrolia, P (2008). S@M, a mathematica implementation of the spinor-helicity formalism. Computer Physics Communications, 179(7):501-534.

Abstract

In this paper we present the package S@M (Spinors@Mathematica) which implements the spinor-helicity formalism in Mathematica. The package allows the use of complex-spinor algebra along with the multi-purpose features of Mathematica. The package defines the spinor objects with their basic properties along with functions to manipulate them. It also offers the possibility of evaluating the spinorial objects numerically at every computational step. The package is therefore well suited to be used in the context of on-shell technology, in particular for the evaluation of scattering amplitudes at tree- and loop-level.

Abstract

In this paper we present the package S@M (Spinors@Mathematica) which implements the spinor-helicity formalism in Mathematica. The package allows the use of complex-spinor algebra along with the multi-purpose features of Mathematica. The package defines the spinor objects with their basic properties along with functions to manipulate them. It also offers the possibility of evaluating the spinorial objects numerically at every computational step. The package is therefore well suited to be used in the context of on-shell technology, in particular for the evaluation of scattering amplitudes at tree- and loop-level.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
Dewey Decimal Classification:530 Physics
Language:English
Date:October 2008
Deposited On:06 Mar 2009 10:41
Last Modified:05 Apr 2016 13:06
Publisher:Elsevier
ISSN:0010-4655
Publisher DOI:https://doi.org/10.1016/j.cpc.2008.05.002
Related URLs:http://arxiv.org/abs/0710.5559

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