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Which of the following is not a particle? Tachyon, gluon, stuckon and skyrmion

Answer: stuckon. Gluons carry the strong force; tachyons are particles that travel faster than light; skyrmions are used to describe certain features in condensed-matter experiments.

Read more: 鈥�11 particles for 11 physics puzzles鈥�

Topics: Particle physics

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