| 单词 | top quark |
| 例句 | “The top quark strongly affects the vacuum by its quantum fluctuations because it is so heavy,” Allanach says. Could Higgs Boson spell the end of the universe? 2013-03-26T17:06:00Z It was a rough measurement of the W boson mass that allowed physicists in 1990 to predict the mass of the top quark with reasonable accuracy five years before that particle was first observed. Elementary Particle’s Unexpected Heft Stuns Physicists 2022-04-07T04:00:00Z In June, researchers revealed that they had also seen the Higgs interact with the top quark. Devastating museum fire, silent Mars rover and financial disclosures 2018-09-04T04:00:00Z Thus, events in which the top quark and Higgs boson simultaneously appear are an attractive laboratory to investigate new physics. New Higgs Boson Observations Reveal Clues on the Nature of Mass 2018-06-06T04:00:00Z It would be nearly nine times more massive than the next heaviest particle discovered so far, the top quark, and a dozen times more massive than the Higgs. LHC sees hint of boson heavier than Higgs 2015-12-14T05:00:00Z Top-quark mass Physicists have produced the most precise measurement yet of the mass of the top quark — the heaviest fundamental particle — by combining data from four experiments at the world’s two biggest particle colliders. Seven days: 21–27 March 2014 2014-03-26T18:20:15.965Z Then, using the W boson mass and top quark mass, researchers made a similar prediction for the Higgs boson—which bore out spectacularly in 2012. Elementary Particle’s Unexpected Heft Stuns Physicists 2022-04-07T04:00:00Z "The top quark strongly affects the vacuum by its quantum fluctuations because it is so heavy," Allanach says. How the Higgs Boson Might Spell Doom for the Universe 2013-03-26T11:15:05.443Z Both the top quark and antiquark each decay into three daughter particles and the Higgs boson decays into two. New Higgs Boson Observations Reveal Clues on the Nature of Mass 2018-06-06T04:00:00Z The top quark was heavier than anyone really expected it to be. Physicist Elected to Congress Calls for More Scientists-Statesmen 2012-11-14T15:15:00.307Z At that point it could produce pairs of Higgs bosons and allow researchers to explore how the Higgs couples to itself and also interacts with the heaviest particle of matter, the top quark. After the Higgs: The new particle landscape 2012-08-29T17:50:28.943Z The top quark is the heaviest known elementary particle, so there was reason for some excitement. If I Want To Look Well-Read And In The Flow, What Do I Need To Know About The Higgs Boson Discovery And Announcement? 2012-07-05T15:20:44Z It slammed protons and antiprotons together by the trillions at nearly the speed of light to discover some of high-energy physics' greatest hits, including the top quark a host of other new particles. Higgs Boson: Found at Last? 2012-03-08T11:00:00Z Aside from the unanswered questions regarding the mass of the Higgs boson itself, there is another reason to be interested in the relationship between the top quark and the Higgs boson. New Higgs Boson Observations Reveal Clues on the Nature of Mass 2018-06-06T04:00:00Z It's high-energy particle physics, including working on the experiments that discovered the top quark. Physicist Elected to Congress Calls for More Scientists-Statesmen 2012-11-14T15:15:00.307Z The collider’s physics breakthroughs, including the 1995 discovery of the top quark, were so eminent that it was easy to think of the Tevatron and its host institution as one and the same. Life after Tevatron: Fermilab Still Kicking Even Though It Is No Longer Top Gun 2012-02-01T15:45:04.357Z The collider helped to confirm the standard model of physics — it was where the top quark was found in 1995 — and it spent its final years restricting the possible mass range of the Higgs boson. Seven days: 30 September?6 October 2011 2011-10-05T17:20:18.957Z Many machines were built around the world with the mission of discovering the top quark. U.S. closes atom smasher, passes baton to Europe 2011-09-30T19:45:12Z Some say that discovery merits a Nobel Prize; others say the top quark had to be there. Grand U.S. Atom Smasher Winds Down Today 2011-09-30T16:28:01Z There's a series of heavier and heavier quarks, and the pattern stops at the top quark. Physicist Elected to Congress Calls for More Scientists-Statesmen 2012-11-14T15:15:00.307Z The top quark is the sixth, and quite possibly the last, quark. The Discovery of the Top Quark [From the Archive] 2011-09-29T17:15:06.327Z "There was tremendous theoretical expectation that the top quark is there," says Steven Weinberg of the University of Texas at Austin. "You're the Top..." [From the Archive] 2011-09-29T17:15:03.417Z Though it is as heavy as an atom of gold, the top quark's mass is crammed into an area far smaller than a single proton. U.S. closes atom smasher, passes baton to Europe 2011-09-30T19:45:12Z And although Schwartz agrees that it is unlikely that any one theory will explain all the defects, he says that accounting for the odd behaviour of the top quark would be a promising start. Asymmetric Quarks Defy Standard Model of Physics, Suggests New Gluon 2011-07-23T18:15:00.427Z In this it will resemble the top quark, the latest fundamental particle to have been detected. Hunting the Higgs boson: Indefinite particles 2011-04-28T10:55:18Z In back-to-back seminars, physicists from rival experiments within the lab announced the discovery of a new particle, the top quark. The Discovery of the Top Quark [From the Archive] 2011-09-29T17:15:06.327Z For two decades, the top quark has been one of the Holy Grails of high-energy physics. "You're the Top..." [From the Archive] 2011-09-29T17:15:03.417Z Those highlights include the 1995 discovery of the top quark, the sixth and last discovered quark predicted to exist according to current theory. Tevatron to Shut Down in September 2011-01-20T16:02:00Z According to one theoretical interpretation, a top quark bound by to its anti-matter partner, the antitop, would act as a version of the elusive Higgs boson, conferring mass on other particles. Asymmetric Quarks Defy Standard Model of Physics, Suggests New Gluon 2011-07-23T18:15:00.427Z At this energy level, physicists believed a top quark should be made once for every few billion collisions. "You're the Top..." [From the Archive] 2011-09-29T17:15:03.417Z According to the Standard Model, a top quark and its antimatter twin could appear in proton-antiproton collisions. "You're the Top..." [From the Archive] 2011-09-29T17:15:03.417Z But when accelerators failed to turn up the top quark, theorists realized the particle must be heavier than they thought. "You're the Top..." [From the Archive] 2011-09-29T17:15:03.417Z After sifting the data, the workers discovered 12 events that harbored signatures of the top quark. "You're the Top..." [From the Archive] 2011-09-29T17:15:03.417Z Assuming Fermilab has indeed found the top quark, what is left for high-energy physics? "You're the Top..." [From the Archive] 2011-09-29T17:15:03.417Z Because it is so heavy, the top quark must be the particle most strongly coupled to the Higgs. "You're the Top..." [From the Archive] 2011-09-29T17:15:03.417Z |
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