| 单词 | charm quark |
| 例句 | In the 1960s, for example, rare decays of kaons hinted at the existence of the charm quark before it was directly discovered. Unexplained Results Intrigue Physicists at World’s Largest Particle Collider 2021-03-25T04:00:00Z That's because packaging the charm quark in the baryon and anticharm quark in the meson separates them, keeping them from annihilating each other. Exotic particles called pentaquarks may be less weird than previously thought 2019-06-05T04:00:00Z Within months, they made further discoveries that confirmed their interpretation of the particle as a charm quark. Burton Richter (1931–2018) 2018-08-27T04:00:00Z On Nov. 10, 1974, in a groundbreaking discovery in physics, he found the particle that confirmed the existence of what was known as the charm quark. Burton Richter, Nobel Prize-winning physicist, dies at 87 2018-07-21T04:00:00Z The discovery was key because the ψ turned out to be made of a particle called the charm quark and its antimatter partner. Burton Richter, Nobel Prize–winning physicist with influence in Washington, D.C., dies 2018-07-20T04:00:00Z Previous models predicted that the D-zero, which contains the heavy charm quark, was too massive to interact with the quarks and gluons in the plasma. Quirky Quarks Could Reveal Details of the Big Bang 2017-06-09T04:00:00Z She met Benjamin Lee, with whom she predicted the mass of the charm quark, gaining a “sort of star status”. Physics: She did it all : Nature : Nature Publishing Group 2015-08-11T04:00:00Z The exotic pentaquarks they observed are made up of two up quarks, one down quark, one charm quark and one anti-charm quark. Large Hadron Collider scientists discover new particles: pentaquarks 2015-07-14T04:00:00Z In the same way, the term “charm” in the charm quark speaks not of any particular attribute of the particle, but is one more expression of whimsy. Burton Richter, Nobel Prize-winning physicist, dies at 87 2018-07-21T04:00:00Z For example, in 1970, theorists predicted the existence of a particle called the charm quark; two experimenters independently discovered the particle in 1974, for which they received the Nobel Prize in physics 2 years later. At Long Last, Physicists Discover Famed Higgs Boson 2012-07-04T11:39:46Z The particle, called a charm quark, revealed surprising interactions with its neighboring subatomic particles, measurements show. Quirky Quarks Could Reveal Details of the Big Bang 2017-06-09T04:00:00Z As to the first question, the standard model says that all matter is made of 12 particles with zany names such as the “charm quark” and the “muon-neutrino.” Physicists hope to find the Higgs boson, key to unified field theory, this year 2012-04-02T19:15:00Z One of the particles formed by this fiery collision is the D-zero, made up of a charm quark and an anti-up quark. Quirky Quarks Could Reveal Details of the Big Bang 2017-06-09T04:00:00Z |
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