Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-09-06
Phys.Lett.B549:337-343,2002
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages LaTeX, 4 eps figures
Scientific paper
10.1016/S0370-2693(02)02934-9
We consider Lorentz-violating operators induced at the loop level in softly-broken supersymmetric noncommutative QED. Dangerous operators forbidden in the supersymmetric limit are generated via finite corrections, with the scale of supersymmetry breaking serving as a gauge-invariant regulator. We compare the most dangerous loop effects to those obtained in noncommutative theories truncated by a momentum-space cutoff, and find significantly improved bounds.
Carlson Carl E.
Carone Christopher D.
Lebed Richard F.
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