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Theory

Theory

1. The energies of interest ... Channeling Radiation and Undulatory Radiation (Bremsstrahlung has the spectrum ~1/E)

1. First Experiment ... Can we see the enhanced monochromatic peak of Channeling Radiation from Planar Channeling at the critical incident positron energy when the traverse potential becomes harmonic ?
   1. First we try with Silicon ... it is larger than the diamond.
   2. We choose the energy E_e+ = 6 GeV and the 100 direction ... from the table below... we expect a peak at 43 MeV.

1. The papers below are relevant
   1. Phys Lett 112B (1982) 83 where you find the table above.
   2. Physics Letters 110(1982) 162 where you find an early measurement of this in Si.
   3. Nuc Phys B254 (1985) 491 where you find a more extensive write-up of these measurements.

Early data

1. Second Experiment ....