| 单词 | antiquark |
| 例句 | Such combinations make up the particles known as mesons, which are unstable because the quark and antiquark can annihilate each other, producing electrons and other particles. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z Unlike protons and neutrons, which are made of three quarks, mesons are made of one quark and one antiquark. ‘Unbelievable’ Spinning Particles Probe Nature’s Most Mysterious Force 2023-02-02T05:00:00Z Mesons are combinations of a quark and an antiquark. College Physics for AP Courses 2015-08-12T00:00:00Z A beam of positive pions—lightweight particles made from an up quark and a down antiquark—decay into muons and muon neutrinos. Long-Awaited Muon Measurement Boosts Evidence for New Physics 2021-04-07T04:00:00Z 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 A pion consists of two smaller pieces: a quark, a building block of protons and neutrons, and an antiquark, the antimatter equivalent of a quark. An Experiment in Zurich Brings Us Nearer to a Black Hole’s Mysteries 2017-07-19T04:00:00Z Hadrons fall into two broad families: mesons, exotic particles with one quark and one antiquark; and baryons, particles composed of three quarks. LHC Physicists Unveil a Charming New Particle 2017-07-07T04:00:00Z The analogy of the colors combining to white is used to explain why baryons are made of three quarks, why mesons are a quark and an antiquark, and why we cannot isolate a single quark. College Physics for AP Courses 2015-08-12T00:00:00Z One of these alternative states was the pentaquark, which was made up of four quarks and an antiquark, or a quark’s anti-matter. Scientists Discover the Pentaquark 2015-07-14T04:00:00Z Consequently, the branching fraction for the decay is expected to be very small compared to the dominant b antiquark to c antiquark transitions. Observation of the rare Bs0 →µ+µ− decay from the combined analysis of CMS and LHCb data : Nature : Nature Publishing Group 2015-05-12T04:00:00Z In the following, we omit the particle charges and use b to refer to both the quark and antiquark. [Article] A New Boson with a Mass of 125 GeV Observed with the CMS Experiment at the Large Hadron Collider 2012-12-20T21:26:32.063Z The team clocked an extremely rare process in which a BS meson — composed of a strange quark and a bottom antiquark — decays into a muon–antimuon pair. Truant particles turn the screw on supersymmetry 2012-11-21T18:20:32.003Z The color scheme is intentionally devised to explain why baryons have three quarks and mesons have a quark and an antiquark. College Physics for AP Courses 2015-08-12T00:00:00Z The characteristics of the six quarks and their antiquark counterparts are given in Table 33.3, and the quark compositions of certain hadrons are given in Table 33.4. College Physics for AP Courses 2015-08-12T00:00:00Z As the u quark leaves the proton, a gluon creates a pair of virtual particles, a d quark and a d antiquark. College Physics for AP Courses 2015-08-12T00:00:00Z Since mesons are composed of a quark and an antiquark, is it surprising that they would preferentially decay to one type over another? College Physics for AP Courses 2015-08-12T00:00:00Z |
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