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hep-ph2001
Possible detection of relic neutrinos and their mass
A. Ringwald
Recently the possibility was widely discussed that a large fraction of the highest energy cosmic rays may be decay products of Z bosons which were produced in the resonant annihila…
hep-ph2001
The Effective Fine Structure Constant at TESLA Energies
F. Jegerlehner
We present a new estimate of the hadronic contribution to the shift in the fine structure constant at LEP and TESLA energies and calculate the effective fine structure constant. Su…