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Electron capture

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Electron capture (K-electron capture, also K-capture, or L-electron capture, L-capture) is a process in which the proton-rich nucleus of an electrically neutral atom absorbs an inner atomic electron, usually from the K or L electron shell. [1]

42 relations: Atom, Atomic mass, Atomic nucleus, Atomic number, Auger effect, Beta decay, Characteristic X-ray, Charged current, Chemical bond, Decay energy, Dysprosium, Electron, Electron neutrino, Electron shell, Electronvolt, Excited state, Gamma ray, Gian-Carlo Wick, Ground state, Hideki Yukawa, Holmium, Internal conversion, Ion, Isobar (nuclide), Isotope, Isotopes of gallium, Isotopes of krypton, Isotopes of rubidium, Isotopes of vanadium, Los Alamos National Laboratory, Luis Walter Alvarez, Neutrino, Periodic table, Physical Review, Positron, Positron emission, Proton, R-process, Radioactive decay, Supernova, Table of nuclides, Weak interaction.


An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.

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Atomic mass

The atomic mass (ma) is the mass of an atomic particle, sub-atomic particle, or molecule.

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Atomic nucleus

The nucleus is the small, dense region consisting of protons and neutrons at the center of an atom.

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Atomic number

In chemistry and physics, the atomic number of a chemical element (also known as its proton number) is the number of protons found in the nucleus of an atom of that element, and therefore identical to the charge number of the nucleus.

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Auger effect

The Auger effect is a physical phenomenon in which the filling of an inner-shell vacancy of an atom is accompanied by the emission of an electron from the same atom.

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Beta decay

In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which a proton is transformed into a neutron, or vice versa, inside an atomic nucleus.

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Characteristic X-ray

Characteristic X-rays are emitted when outer-shell electrons fill a vacancy in the inner shell of an atom, releasing X-rays in a pattern that is "characteristic" to each element.

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Charged current

The Charged current interaction is one of the ways in which subatomic particles can interact by means of the weak force.

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Chemical bond

A chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms.

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Decay energy

The decay energy is the energy released by a radioactive decay.

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Dysprosium is a chemical element with the symbol Dy and atomic number 66.

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The electron is a subatomic particle, symbol or, with a negative elementary electric charge.

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Electron neutrino

The electron neutrino is a subatomic lepton elementary particle which has no net electric charge.

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Electron shell

In chemistry and atomic physics, an electron shell, or a principal energy level, may be thought of as an orbit followed by electrons around an atom's nucleus.

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In physics, the electronvolt (symbol eV; also written electron volt) is a unit of energy equal to approximately 160 zeptojoules (symbol zJ) or joules (symbol J).

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Excited state

Excitation is an elevation in energy level above an arbitrary baseline energy state.

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Gamma ray

Gamma radiation, also known as gamma rays, and denoted by the Greek letter γ, refers to electromagnetic radiation of an extremely high frequency and therefore consists of high-energy photons.

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Gian-Carlo Wick

Gian Carlo Wick (October 15, 1909 – April 20, 1992) was an Italian theoretical physicist who made important contributions to quantum field theory.

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Ground state

The ground state of a quantum mechanical system is its lowest-energy state; the energy of the ground state is known as the zero-point energy of the system.

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Hideki Yukawa

, was a Japanese theoretical physicist and the first Japanese Nobel laureate.

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Holmium is a chemical element with symbol Ho and atomic number 67.

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Internal conversion

Internal conversion is a radioactive decay process wherein an excited nucleus interacts electromagnetically with one of the orbital electrons of the atom.

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An ion is an atom or a molecule in which the total number of electrons is not equal to the total number of protons, giving the atom or molecule a net positive or negative electrical charge.

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Isobar (nuclide)

Isobars are atoms (nuclides) of different chemical elements that have the same number of nucleons.

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Isotopes are variants of a particular chemical element which differ in neutron number, although all isotopes of a given element have the same number of protons in each atom.

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Isotopes of gallium

Natural gallium (Ga) consists of a mixture of two stable isotopes: gallium-69 and gallium-71.

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Isotopes of krypton

There are 33 known isotopes of krypton (Kr) with atomic mass numbers from 69 through 101.

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Isotopes of rubidium

Rubidium (Rb) has 32 isotopes, with naturally occurring rubidium being composed of just two isotopes; 85Rb (72.2%) and the radioactive 87Rb (27.8%).

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Isotopes of vanadium

Naturally occurring vanadium (V) is composed of one stable isotope 51V and one radioactive isotope 50V with a half-life of 1.5×1017 years.

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Los Alamos National Laboratory

Los Alamos National Laboratory (or LANL; previously known at various times as Project Y, Los Alamos Laboratory, and Los Alamos Scientific Laboratory) is the only laboratory in the United States where classified work towards the design of nuclear weapons has been undertaken besides the Lawrence Livermore National Laboratory.

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Luis Walter Alvarez

Luis Walter Alvarez (June 13, 1911 – September 1, 1988) was an American experimental physicist, inventor, and professor who was awarded the Nobel Prize in Physics in 1968.

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A neutrino (or, in Italian) is an electrically neutral elementary particle with half-integer spin.

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Periodic table

The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number (number of protons in the nucleus), electron configurations, and recurring chemical properties.

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Physical Review

Physical Review is an American peer-reviewed scientific journal established in 1893 by Edward Nichols.

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The positron or antielectron is the antiparticle or the antimatter counterpart of the electron.

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Positron emission

Positron emission or beta plus decay (β+ decay) is a particular type of radioactive decay and a subtype of beta decay, in which a proton inside a radionuclide nucleus is converted into a neutron while releasing a positron and an electron neutrino (νe).

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The r-process is a nucleosynthesis process that occurs in core-collapse supernovae (see also supernova nucleosynthesis) and is responsible for the creation of approximately half of the neutron-rich atomic nuclei heavier than iron.

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Radioactive decay

Radioactive decay, also known as nuclear decay or radioactivity, is the process by which a nucleus of an unstable atom loses energy by emitting radiation.

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A supernova is a stellar explosion that briefly outshines an entire galaxy, radiating as much energy as the Sun or any ordinary star is expected to emit over its entire life span, before fading from view over several weeks or months.

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Table of nuclides

A table of nuclides or chart of nuclides is a two-dimensional graph in which one axis represents the number of neutrons and the other represents the number of protons in an atomic nucleus.

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Weak interaction

In particle physics, the weak interaction is the mechanism responsible for the weak force or weak nuclear force, one of the four known fundamental interactions of nature, alongside the strong interaction, electromagnetism, and gravitation.

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[1] https://en.wikipedia.org/wiki/Electron_capture

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