Weak bosons are one of the gauge bosons that mediate fundamental forces such as photons, and are elementary particles that mediate the weak interaction of the four forces. They were discovered through experiments by Italian physicist Carlo Rubbia and Dutch physicist Simon van der Meer, who were awarded the Nobel Prize in Physics in 1984. There are W bosons, which carry an electric charge, and Z bosons, which carry no electric charge. Both have large masses, with W bosons being about 85 times that of a proton and Z bosons being about 95 times that of a proton. One of the goals of the International Linear Collider (ILC) project is to generate pairs of weak bosons, precisely investigate the forces acting between them, and precisely verify the Standard Model of elementary particles. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
光子など基本的な力を媒介するゲージボソンの一つで,四つの力のうち弱い相互作用を媒介する素粒子。イタリアの物理学者カルロ・ルビアとオランダの物理工学者シモン・ファンデルメーアが実験によって発見し,1984年のノーベル物理学賞を受賞した。電気を帯びている Wボソンと電気を帯びていない Zボソンとがある。いずれも質量は大きく,Wボソンは陽子の約 85倍,Zボソンは陽子の約 95倍である。国際リニアコライダー ILC計画の目標の一つは,ウィークボソンをペアで生成して,ウィークボソンの間に働く力を精密に調べ,素粒子の標準理論を精密に検証することである。
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