Electromagnetic Spectrum: From XUV to Microwaves


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I was a little surprised that the gammaray spectrum wasn’t discussed since the 1.0216 Mev "threshold" gammaray is the energy at which free electron-positron pairs can be produced. This mechanism is also responsible for neutron beta-decay and can produce a stable proton, which in turn can attract a free electron, from the beta-decay, to create (the first) simple hydrogen atom. The shared positron from the decay provides the new proton’s positive charge.

Thank you for highlighting the significance of the 1.0216 MeV gamma-ray energy level and its role in electron-positron pair production. Your point about its connection to fundamental processes like neutron beta-decay and the formation of hydrogen atoms is indeed fascinating and underscores the intricate interplay of particle physics.

Our article aimed to provide a broad overview of the electromagnetic spectrum, which meant that some specialized topics, including the detailed mechanisms within the gamma-ray spectrum, were not covered in depth. Your comment is a valuable reminder of the depth of physics that underlies each segment of the electromagnetic spectrum. We appreciate your insight and will consider exploring these more complex phenomena in future content.