By Michael W. Friedlander
Tells the long-running detective tale at the back of the invention and examine of cosmic rays. A topic of his tale is the expertise of detection, for snaring a proton relocating approximately at gentle pace is 'no suggest trick."
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Additional info for A Thin Cosmic Rain: Particles From Outer Space
Gamma rays present different problems—partly semantic, partly jurisdictional, partly technical. “Cosmic rays” are usually taken to imply high-speed charged particles, and gamma rays sometimes seem to behave like particles. They are often produced in processes involving cosmic rays, so it is reasonable to consider them here. On the other hand, gamma rays are also electromagnetic waves, as are radio waves, infrared, visible light, ultraviolet, and Xrays. A review of all electromagnetic radiation would have to include all of astronomy.
Earlier I mentioned gamma rays as one of the components of cosmic rays, but almost all of this chapter has been about the detection of charged particles. Gamma rays present different problems—partly semantic, partly jurisdictional, partly technical. “Cosmic rays” are usually taken to imply high-speed charged particles, and gamma rays sometimes seem to behave like particles. They are often produced in processes involving cosmic rays, so it is reasonable to consider them here. On the other hand, gamma rays are also electromagnetic waves, as are radio waves, infrared, visible light, ultraviolet, and Xrays.
A particle traveling along such a path would be trapped (like a celestial Flying Dutchman) in a permanent orbit around the Earth, looping between the northern and southern hemispheres and drifting around in longitude but never escaping. Cosmic rays approaching from far away cannot connect directly to these paths, and the only way a particle can get into one of these perpetual loops is to be born in it (through some nuclear process) or be bumped into it (by a collision with another particle). For this reason, no importance had been attached to these strange orbits by CR researchers, even though their mathematical existence had been known from the calculations of Störmer, Lemaitre, and Vallarta.
A Thin Cosmic Rain: Particles From Outer Space by Michael W. Friedlander