Gauge particles related to the weak interaction include W + and W- (where ± represents charge), which have a charge of ±1, and Z0, which is electrically neutral. Since W ± particles only have a charge of ±1, for example, W- decays to a state with a charge of -1 in the final state, as in W- →e+ or W- →+n (e,ν,p,n are the electron, neutrino, proton, and neutron, respectively, and - represents their respective antiparticles). If we rearrange the particles, this becomes n→p+e+, and W- is related to normal beta decay. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
弱い相互作用に関連するゲージ粒子にはW+およびW-(±は電荷を表す)という電荷±1をもつ粒子と,Z0という電気的に中性の粒子がある。W±粒子は電荷を±1だけ有するため,例えばW-はW-→e+またはW-→+nのように終状態が電荷-1の状態にこわれる(e,ν,p,nはそれぞれ電子,中性微子,陽子,中性子であり,-はそれぞれの反粒子を表す)。これは粒子を組み替えてみればn→p+e+となり,W-は通常のβ崩壊に関連する。
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