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Particle physics is the study of the fundamental forces of nature as they are embodied in the interactions of elementary and composite particles at high energies and short time and distance scales. DO NOT USE THIS TAG for point particles in classical mechanics.

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How to "decipher" the symbol for the recently announced doubly-charmed baryon?

The +, - or 0 indicates the electric charge. The "c" stands for the charm quark indeed. Page 1 of the paper they give the three valance quarks of your baryon : ccu. They are all 2/3e as you can see on …
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