The strong and weak interactions produce forces at minuscule, subatomic distances and govern nuclear interactions inside atoms. Some scientists hypothesize that ...
The binding energy for stable nuclei is always a positive number, as the nucleus must gain energy for the nucleons to move apart from each other. Nucleons are ...
The nuclear force is a force that acts between hadrons, most commonly observed between protons and neutrons of atoms. Neutrons and protons, both nucleons, ...
In the context of atomic nuclei, the force binds protons and neutrons together to form a nucleus and is called the nuclear force (or residual strong force).
If a hydrogen-1 body had the mass and radius of the Sun, its gravitational binding energy would be about 1,195.586 eV per atom.
In nuclear physics, the semi-empirical mass formula (SEMF) is used to approximate the mass of an atomic nucleus from its number of protons and neutrons.
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The theory proposed a mechanical explanation for Newton's gravitational force in terms of streams of tiny unseen particles (which Le Sage called ultra-mundane ...
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Nuclear fusion is a reaction in which two or more atomic nuclei, usually deuterium and tritium (hydrogen isotopes), combine to form one or more different ...
A neutron star is a collapsed core of a massive supergiant star. The stars that later collapse into neutron stars have a total mass of between 10 and 25 ...
The gravitational redshift of a light wave as it moves upwards against a gravitational field (produced by the yellow star below). The effect is greatly ...
An atom is composed of a positively charged nucleus, with a cloud of negatively charged electrons surrounding it, bound together by electrostatic force. Almost ...
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... atoms, with nearly all matter concentrated in the atomic nuclei. ... inside neutron stars, if the pressure at their core is high enough to provide a sufficient ...
It consists of a small, dense nucleus surrounded by orbiting electrons. It is analogous to the structure of the Solar System, but with attraction provided by ...
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... forces, including gravitational ... Solving the classical two-body problem for an electron orbiting an atomic nucleus is misleading and does not produce many ...
The effective range of the weak force is limited to subatomic distances and is less than the diameter of a proton.
Also, gravitational forces are much weaker than electrostatic forces ... force between the positively charged atomic nucleus and each of the negatively charged ...
Between the surface of a neutron star and the quark–gluon plasma at the core, at matter densities of 1014 g/cm3, nuclear attraction and Coulomb repulsion forces ...
This degeneracy pressure remains non-zero even at absolute zero temperature. ... Adding particles or reducing the volume forces the particles into higher-energy ...
In metals, the positive nuclei are partly ionized and spaced by normal interatomic distances. Gravity has negligible effect; the positive ion cores are ...
This effect has been demonstrated by noting that atomic clocks at differing altitudes (and thus different gravitational potential) will eventually show ...
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An alpha particle is identical to the nucleus of a helium-4 atom, which consists of two protons and two neutrons. It has a charge of +2 e and a mass of 4 Da.
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Nuclear physics is the field of physics that studies atomic nuclei and their constituents and interactions, in addition to the study of other forms of ...
An exotic atom is an otherwise normal atom in which one or more sub-atomic particles have been replaced by other particles of the same charge.
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Quarks combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the components of atomic nuclei. All commonly ...
Because of this, when pair production occurs, the atomic nucleus receives some recoil. ... In a region of strong gravitational tidal forces ... inside a supergiant ...
The rms charge radius is a measure of the size of an atomic nucleus, particularly the proton distribution. The proton radius is about one femtometre ...
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Gravitational collapse is the contraction of an astronomical object due to the influence of its own gravity, which tends to draw matter inward toward the ...
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Composite particles (such as hadrons, nuclei, and atoms) ... ^ Despite being the carrier of the gravitational force which interacts with mass ... atomic nuclei § Odd ...
Ordinary matter is composed of atoms, themselves once thought to be indivisible elementary particles. The name atom comes from the Ancient Greek word ἄτομος ( ...