منابع مشابه
Hidden Strangeness in Nucleons, Magnetic Moments and SU(3)
The role of nonvalence, e.g., sea quarks and/or meson) degrees of freedom in static electroweak baryon observables is briefly discussed.
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Diquark-antidiquark states are expected to exist as a natural complement of mesons and baryons. Although they were predicted long ago, and some candidates were found experimentally, none has, as yet, been reliably identied. We suggest that the search for the so-called C(1480)-meson in reactions such as photoproduction N ! N and KN ! should provide a decisive way to settle this issue. Estimates ...
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What makes the sun shine? How does the sun produce the vast amount of energy necessary to support life on earth? These questions challenged scientists for a hundred and fifty years, beginning in the middle of the nineteenth century. Theoretical physicists battled geologists and evolutionary biologists in a heated controversy over who had the correct answer. Why was there so much fuss about this...
متن کاملStrangeness
Some systems are strange, near-bugs that turn out upon deeper analysis to be absolutely fundamental. This paper develops the notion of strangeness with respect to one class of AI system, cognitive architectures. It describes the detection of strange new architectures and their synthesis with conventional architectures. It also inventories strategies for the deliberate design of strange new arch...
متن کاملStrangeness in Lattice QCD
The status of lattice calculations in the light hadron sector is reviewed. Special emphasis is given to recent lattice determinations of the mass of the strange quark. The impact of non-perturbative renormalization and control over lattice artefacts on the attainable precision is discussed in detail. Furthermore the influence of dynamical quark effects is assessed.
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ژورنال
عنوان ژورنال: Nuclear Physics A
سال: 2019
ISSN: 0375-9474
DOI: 10.1016/j.nuclphysa.2018.10.041