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Proceedings to the Workshops ''What comes beyond the Standard model'' 2000,2001, VOLUME 1: Festschrift dedicated to the 60th birthday of Holger Bech Nielsen
N. S. Mankoc Borstnik, C. D. Froggatt, D. Lukman +15
The present volume is the collection of contributions by friends of Holger Bech Nielsen for his 60th birthday. Contents: 1.Unified internal space of spins and charges (N. Mankoc Bo…
Derivation of Lorentz Invariance and Three Space Dimensions in Generic Field Theory
C. D. Froggatt, H. B. Nielsen
A very general quantum field theory, which is not even assumed to be Lorentz invariant, is studied in the limit of very low energy excitations. Fermion and Boson field theories are…
Neutrinos in the Family Replicated Gauge Group Model
Colin D. Froggatt
We present a discussion of the neutrino mass problem in the anti-grand unification theory based on three family replicated copies of the Standard Model gauge group (SMG). We consid…
Could there be a Fourth Generation?
C. D. Froggatt, J. E. Dubicki
We investigate the possibility of incorporating a chiral fourth generation into a GUT model. We find that in order to do so, precision fits to electroweak observables demand the in…
Family replicated gauge groups and large mixing angle solar neutrino solution
C. D. Froggatt, H. B. Nielsen, Y. Takanishi
We present a modification of our previous family replicated gauge group model, which now generates the Large Mixing Angle MSW solution rather than the experimentally disfavoured Sm…