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Facts and Mysteries in Elementary Particle Physics

  • ️Wed Apr 06 2022

内容简介  · · · · · ·

A comprehensive overview of modern particle physics, which seeks to be accessible to anyone with a true passion for wanting to know how the universe works. We are introduced to the known particles of the world we live in. An explanation of quantum mechanics and relativity paves the way for an understanding of the laws that govern particle physics. These laws are put into action...

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A comprehensive overview of modern particle physics, which seeks to be accessible to anyone with a true passion for wanting to know how the universe works. We are introduced to the known particles of the world we live in. An explanation of quantum mechanics and relativity paves the way for an understanding of the laws that govern particle physics. These laws are put into action in the world of accelerators, colliders and detectors found at institutions such as CERN and Fermilab that are in the forefront of technical innovation. Real world and theory meet, with the use of Feynman diagrams to solve the problems of infinities and deduce the need for the Higgs boson. The volume offers insight from an eyewitness and participant in some of the greatest discoveries in 20th-century science. From Einstein's theory of relativity to the elusive Higgs particle, the text should interest anyone interested in the world of quarks, leptons and gauge theories. The work also contains many thumbnail sketches of particle physics personalities, including contemporaries as seen through the eyes of the author. Illustrated with pictures, these candid sketches present views of the characters that populate the field.

作者简介  · · · · · ·

Martinus Justinus Godefriedus Veltman (born June 27, 1931 in Waalwijk) is a Dutch theoretical physicist. He shared the 1999 Nobel Prize in physics with his former student Gerardus 't Hooft for their work on particle theory.

原文摘录   · · · · · · 

  • 中子没有年龄的区分。一个存在了不到1s的中子与一个存在了10min的中子是不可分辨的。所以一个已经存活了10min的中子再经过10min发生衰变的几率,与这个中子存活10min的几率是相同的。如果存活10min的几率是0.5(也就是50%),那么存活20min的几率是50%的50%,也就是0.25。而存活30min的几率为0.125。 (查看原文)
    —— 引自章节:1 5事例/
  • 如果中微子有质量,这一点可能会改变,因为那样可能意味着各个轻子量子数(如电子数和μ子数)将不再守恒,而同时不会影响到总轻子数。 (查看原文)
    —— 引自章节:2 8自旋为1/2的粒子/
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