Mesons and Nucleons
نویسندگان
چکیده
منابع مشابه
Mesons and the Structure of Nucleons *
The role of mesons, particularly the pion, in the structure of nucleons is reviewed and investigated. Since quark-antiquark pairs are likely to " transform " into mesons at large distances, mesons are expected to contribute to nucleon structure. Their effects on the Gottfried sum rule, on the strangeness content of the nucleon, and on the spin of the nucleon are discussed.
متن کاملScattering of vector mesons off nucleons
We construct a relativistic and unitary approach to ’high’ energy pionand photonnucleon reactions taking the πN, π∆, ρN , ωN , ηN,KΛ,KΣ final states into account. Our scheme dynamically generates the sand d-wave nucleon resonances N(1535), N(1650) and N(1520) and isobar resonances ∆(1620) and ∆(1700) in terms of quasi-local interaction vertices. The description of photon-induced processes is ba...
متن کاملComment on "Relativistic cluster dynamics of nucleons and mesons. II. Formalism and examples"
In a recent paper [Phys. Rev. C49, 2142 (1994)], Haberzettl presented cluster N-body equations for arbitrarily large systems of nucleons and mesons. Application to the three-nucleon system is claimed to yield a new kind of three-nucleon force. We demonstrate that these three-nucleon equations contain double counting. 21.30.+y, 21.45+v, 21.60.-n, 21.60.Gx Typeset using REVTEX
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We study the finite temperature properties of an effective chiral Lagrangian which describes nuclear matter. Thermal fluctuations in both the nucleon and the meson fields are considered. The logarithmic and square root terms in the effective potential are evaluated by expansion and resummation with the result written in terms of the exponential integral and the error function, respectively. In ...
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ژورنال
عنوان ژورنال: Nature
سال: 1948
ISSN: 0028-0836,1476-4687
DOI: 10.1038/161897a0