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A comment on Where Is the Antimatter?.

Re:Where Is the Antimatter? by forgatmigej on Saturday December 04, 2021 @08:54AM (#29440838)
"Though in some cases the particle and anti-particle are identical. That’s the case for example for the photon, which has no electric charge."

That's interesting. I was not aware that the photon had a degenerate state in this manner.

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Re:Where Is the Antimatter? by karmakaze on Saturday December 04, 2021 @03:07PM (#29443862)
Mass, charge, spin are the basic properties of elementary particles in the Standard Model. I used to look at this poster[0] (now missing Higgs boson) but the image(svg)[1] on the Wikipedia page for Standard Model is better organized.

[0] https://acelerandolaciencia.files.wordpress.com/2014/01/stan...

[1] https://upload.wikimedia.org/wikipedia/commons/0/00/Standard...

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