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39 papers · 1 filter
Renormalisation Invariance and the Soft -Functions
I. Jack, D. R. T. Jones, A. Pickering
We demonstrate that the soft supersymmetry-breaking terms in a N=1 theory can be linked by simple renormalisation group invariant relations which are valid to all orders of perturb…
Non-zeta knots in the renormalization of the Wess-Zumino model?
P. M. Ferreira, J. A. Gracey
We solve the Schwinger Dyson equations of the O(N) symmetric Wess-Zumino model at O(1/N^3) at the non-trivial fixed point of the d-dimensional beta-function and deduce a critical e…
The beta-function of the Wess-Zumino model at O(1/N^2)
P. M. Ferreira, J. A. Gracey
We extend the critical point self-consistency method used to solve field theories at their d-dimensional fixed point in the large N expansion to include superfields. As an applicat…
A skein theoretic proof of the hook formula for quantum dimension
A. K. Aiston
We give a skein theoretic proof the Reshetikhin hook length formula for quantum dimension for the quantum group U_q(sl(N)).
Photo-production of psi' Mesons at HERA
C. Adloff
Quasi-elastic (z >0.95) photo-production of psi' mesons has been observed at HERA for photon-proton centre-of-mass energies in the range 40 to 160 GeV. The psi' mesons were identif…
Asymptotic Pade Approximant Predictions: up to Five Loops in QCD and SQCD
J. Ellis, I. Jack, D. R. T. Jones +2
We use Asymptotic Pade Approximants (APAP's) to predict the four- and five-loop β-functions in QCD and N=1 supersymmetric QCD (SQCD), as well as the quark mass anomalous dimensions…