![]() ![]() After all, the emission spectrum of Hydrogen is due to an excited electron jumping from the excited energy level down to a lower level(s): presumably the positron in anti-H has the same separation of energy levels, so I can’t see how there would be any difference in the light emitted. My guess is that the sprectrum of anti-H looks exactly like that of Hydrogen. ![]() ![]() However, although antiparticles are often found in cosmic rays or produced in accelerators, anti-atoms are very rare: only a few atoms of anti-Hydrogen are made at accelerator facilities around the world. Just as a Hydrogen atom consists of an electron orbiting a proton, an anti-Hydrogen atom consists of a positron orbiting an anti-proton. Before I look it up, here is my guess at an answer – any comments welcome.įirst a definition: as you know, antimatter is the name given to matter consisting of elementary particles in which the electric charge (or other quantum property) of each particle is the reverse of that in ordinary matter (see blog title). It’s a good question, I never thought to ask it before. #ANTIMATTER LIGHT SPECTRUM SERIES#This question came up at our Maths/ Physics Seminar Series on Wednesday, during a presentation I gave on the forthcoming experiments at the LHC (slides here). What does the spectrum of anti-hydrogen look like? ![]()
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