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单词 quark model
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quark model
C1. General attributive, as quark flavour, quark matter, quark model, etc.
ΚΠ
1964 Physics Lett. 10 132 The ‘quark’ or the ‘ace’ model of Gell Mann and Zweig.
1979 Nature 29 Mar. 408/2 QCD loses its property of asymptotic freedom if there are more than 16 quark flavours.
1985 Physical Rev. D. 32 223/1 This attempt to construct a quark model with chromodynamics for mesons has been reasonably successful.
1991 C. A. Ronan Nat. Hist. Universe 34/1 The universe..was a seething mass of particles appearing fleetingly and disappearing again. In this ‘quark soup’, quarks and antiquarks were constantly colliding with each other and being annihilated, giving out a flash of radiation.
1996 Sciences July–Aug. 32/1 One way of understanding such ‘quark confinement’ is to picture the gluons as springs that always pull the quarks back together, no matter how far apart they stretch.
2002 U.S. News & World Rep. 22 Apr. 18/3 The entire star may even have turned into quark matter, indicating that it is more stable than ordinary matter and would transform anything it touches.
2005 M. Livio Equation that couldn't be Solved vii. 220 Each quark flavor comes in three different colors, conventionally called red, green, and blue.
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