Phys. Rev. D 76, 105018 (2007) - Noncommutative standard model at $\mathcal{O}({\ensuremath{\theta}}^{2})$

Noncommutative standard model at $O (θ^{2})$

Ana Alboteanu, Thorsten Ohl, and Reinhold Rückl

Phys. Rev. D 76, 105018 – Published 16 November 2007

Abstract

We derive the most general Seiberg-Witten maps for noncommutative gauge theories in second order of the noncommutative parameter $θ$ . Our results reveal the existence of more ambiguities than previously known. In particular, we demonstrate that some of these ambiguities enter observables like scattering cross sections and enlarge the parameter space of the noncommutative standard model beyond $O (θ)$ .

Received 26 July 2007

DOI:https://doi.org/10.1103/PhysRevD.76.105018

©2007 American Physical Society

Authors & Affiliations

Ana Alboteanu^*, Thorsten Ohl^†, and Reinhold Rückl^‡

Institut für Theoretische Physik und Astrophysik, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany

^*aamaria@physik.uni-wuerzburg.de
^†ohl@physik.uni-wuerzburg.de
^‡rueckl@physik.uni-wuerzburg.de

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Issue

Vol. 76, Iss. 10 — 15 November 2007

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