liquid-drop model of nucleus

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• liquid-drop model — ▪ nuclear physics       in nuclear physics, description of atomic nuclei formulated (1936) by Niels Bohr and used (1939) by him and John A. Wheeler to explain nuclear fission. According to the model, the nucleons (neutrons and protons) behave… …   Universalium

• Atomic nucleus — A figurative depiction of the helium 4 atom with the electron cloud in shades of gray. In the nucleus, the two protons and two neutrons are depicted in red and blue. This depiction shows the particles as separate, whereas in an actual helium atom …   Wikipedia

• collective model — ▪ physics also called  unified model        description of atomic nuclei that incorporates aspects of both the shell nuclear model and the liquid drop model to explain certain magnetic and electric properties that neither of the two separately… …   Universalium

• Nuclear shell model — In nuclear physics and nuclear chemistry, the nuclear shell model is a model of the atomic nucleus which uses the Pauli exclusion principle to describe the structure of the nucleus in terms of energy levels.[1] The first shell model was proposed… …   Wikipedia

• Shell model — In nuclear physics, the nuclear shell model is a model of the atomic nucleus which uses the Pauli principle to describe the structure of the nucleus in terms of energy levels. The model was developed in 1949 following independent work by several… …   Wikipedia

• nuclear model — ▪ physics       any of several theoretical descriptions of the structure and function of atomic nuclei (the positively charged, dense cores of atoms). Each of the models is based on a plausible analogy that correlates a large amount of… …   Universalium

• shell nuclear model — ▪ physics       description of nuclei of atoms by analogy with the Bohr atomic model of electron energy levels. It was developed independently in the late 1940s by the American physicist Maria Goeppert Mayer (Mayer, Maria Goeppert) and the German …   Universalium

• Halo nucleus — In nuclear physics, an atomic nucleus is called a halo nucleus or is said to have a nuclear halo if its radius is appreciably larger than that predicted by the liquid drop model, wherein the nucleus is assumed to be a sphere of constant density.… …   Wikipedia

• Nuclear model — A nuclear model is any model that attempts to describe the atomic nucleus. List of known nuclear models:*Alpha particle model *Cluster model *Droplet model *Fermi gas model *Independent Particle model *Interacting boson model *Lattice Gas Model… …   Wikipedia

• transuranium element — Any of the chemical elements after uranium in the periodic table (with atomic numbers greater than 92). All are radioactive (see radioactivity), with half lives ranging from tens of millions of years to fractions of a millisecond. Only two,… …   Universalium

• Nuclear physics — For other uses, see Nuclear Physics (disambiguation). Nuclear physics Radioactive decay Nuclear fission Nuclear fusion …   Wikipedia