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27 April 2024 |
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Article overview
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Bounding Noncommutative QCD | | Carl E. Carlson
; Christopher D. Carone
; Richard F. Lebed
; | | Date: |
27 Jul 2001 | | Journal: | Phys.Lett. B518 (2001) 201-206 | | Subject: | hep-ph hep-th | | Affiliation: | William and Mary) and Richard F. Lebed (Arizona State University | | Abstract: | Jurco, Moller, Schraml, Schupp, and Wess have shown how to construct noncommutative SU(N) gauge theories from a consistency relation. Within this framework, we present the Feynman rules for noncommutative QCD and compute explicitly the most dangerous Lorentz-violating operator generated through radiative corrections. We find that interesting effects appear at the one-loop level, in contrast to conventional noncommutative U(N) gauge theories, leading to a stringent bound. Our results are consistent with others appearing recently in the literature that suggest collider limits are not competitive with low-energy tests of Lorentz violation for bounding the scale of spacetime noncommutativity. | | Source: | arXiv, hep-ph/0107291 | | Services: | Forum | Review | PDF | Favorites | |
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