| 词汇 | example_english_beta-decay |
| 释义 | Examples of beta decayThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. The usual radioactive decay, the betadecay, is the best-known example of a so-called weak interaction. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Er, is electron capture, and the primary mode after is betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. U-239 rapidly undergoes betadecay to form neptunium-239, which rapidly undergoes a second betadecay to form plutonium-239. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The gadolinium quickly captured the neutrons produced in the inverse betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ag, is electron capture and the primary mode after is betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The electrostatic force is almost always significant, and, in the case of betadecay, the weak nuclear force is also involved. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Potassium-40 is a rare example of an isotope that undergoes all three types of betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is in apparent contradiction to the law of conservation of energy, as it appeared that energy was lost in the betadecay process. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He suggests that this neutron is also emitted during betadecay and has simply not yet been observed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He, or more often wait for the betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This was in apparent contradiction to the law of conservation of energy, as it appeared that energy was lost in the betadecay process. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are two subtypes of betadecay: "beta minus" and "beta plus". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, the interaction of charged particles takes place through the mediation of electromagnetic fields, whereas betadecay occurs by means of the weak interaction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. All odd mass numbers have only one betadecay stable nuclide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These events could include dark matter, low energy solar neutrinos, double betadecay or rare radioactive decay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As the radioisotope undergoes positron emission decay (also known as positive betadecay), it emits a positron, an antiparticle of the electron with opposite charge. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These forms are unstable and rapidly betadecay into more stable forms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Those mentioned are neutron-rich and so go through betadecay to their xenon counterparts. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ar occurs via positron emission (inverse betadecay) in the remaining 10.9% of decay events. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Tritium emits electrons through betadecay, and, when they interact with a phosphor material, fluorescent light is created, a process called radioluminescence. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The production of beta particles is termed betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. On the other hand in the geochemical experiments double betadecay of and isotopes was detected. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In most betadecay events, the electron and the neutrino carry away roughly equal amounts of energy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Her doctoral thesis demonstrated that a pseudoscalar component was not involved in parity nonconversation in betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Xe produced by fission and betadecay rather than neutron capture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Known as chain yield because it represents a decay chain of betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Electrons may be created through betadecay of radioactive isotopes and in high-energy collisions, for instance when cosmic rays enter the atmosphere. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For mass 100 and greater, the technetium isotopes of those masses are very short-lived and quickly betadecay to isotopes of ruthenium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A single betadecay then transforms one into the other. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Free neutronsthose not inside an atomic nucleusare already known to decay into protons (and an electron and an antineutrino) in a process called betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Delayed neutrons are associated with the betadecay of the fission products. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Important examples include betadecay, and the production of deuterium and then helium from hydrogen that powers the sun's thermonuclear process. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He suggested that betadecay could be explained by a four-fermion interaction, involving a contact force with no range. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Betadecay is a process which allows the atom to obtain the optimal ratio of protons and neutrons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many of these fission products then undergo radioactive decay (usually betadecay) and the resulting nuclides are left in an excited state. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In a steady state, this heat from delayed fission product betadecay contributes 6.5% of the normal reactor heat output. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Electron capture (sometimes called inverse betadecay) is also occasionally classified as a type of betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Capturing further neutrons, it becomes cadmium-115, which decays to indium-115 via another betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the tube, the tritium gives off a steady stream of electrons due to betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He predicted the betadecay of a pi meson. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are other decay modes, but they are invariably occur at a lower probability than alpha or betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. W, which have half-lives of 75 days and 24 hours, respectively, and always undergo betadecay to the corresponding rhenium isotopes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, inside a nucleus, protons can also transform into a neutron via inverse betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Betadecay commonly occurs among the neutron-rich fission byproducts produced in nuclear reactors. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Betadecay is the release of a beta particle, a high-energy electron. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Even though heavier astatine isotopes release less energy, no long-lived astatine isotope exists, due to the increasing role of betadecay (electron emission). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This isotope undergoes ordinary double betadecay (with the emission of two neutrinos) to barium-136. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Any double betadecay event will leave behind a daughter barium ion, while backgrounds, such as radioactive impurities or neutrons, will not. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thus, the experimental detection of double electron capture is more difficult than that for double betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Cd (double betadecay); only lower limits on their half-life times have been set. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Despite significant progress in the experimental techniques in 196070s, double betadecay was not observed until the 1980s in a laboratory setting. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, the double betadecay rate of (also an alpha emitter) has been measured radiochemically; is produced by this type of radioactivity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Lighter unstable isotopes of samarium primarily decay by electron capture to isotopes of promethium, while heavier ones convert through betadecay to isotopes of europium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sr through betadecay was still under discussion in the late 1940s. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other mercury isotopes are converted when irradiated with slow neutrons into one another, or formed mercury isotopes which betadecay into thallium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Trace amounts are also produced by the betadecay of tritium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The newly found isotope of neptunium was created by absorption of neutron into the uranium-239 and a subsequent betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. After prompt fission neutron emission the residual fragments are still neutron rich and undergo a betadecay chain. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Betadecay is mediated by the weak force. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An often-cited example is, which decays by positron emission 61% of the time to, and 39% of the time by (negative) betadecay to. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In betadecay, the proton number increases by one. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Mn, is electron capture and the primary mode after is betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An interesting example (discussed in a final section) is bound state betadecay of rhenium-187. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As helium atoms are stable, the neutrons are locked in, and betadecay of neutrons into protons, electrons, and neutrinos can no longer occur. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is sometimes called inverse betadecay, though this term can also refer to the interaction of an electron antineutrino with a proton. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They settled on the idea of testing the directional properties of betadecay in cobalt-60. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The tritium in a gaseous tritium light source undergoes betadecay, releasing electrons that cause the phosphor layer to fluoresce. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, gallium-73 decays via betadecay into germanium-73m2, which is short-lived (499ms). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Iodine-128 (25 min half-life) can decay to either tellurium-128 by electron capture, or to xenon-128 by betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. C is radioactive (via betadecay), it is relatively straightforward to measure its incorporation in organic material using devices such as scintillation counters. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Specifically, the timescale for betadecay of radioactive nuclei produced is faster than the timescale for fusion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Thus, gamma photoelectric-effect electron emission may "also" cause high-speed electrons to be emitted from radioactive atoms without betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Since then many experiments have been conducted, which observed ordinary double betadecay in a number of other isotopes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. K decay have energies below the threshold and can not be detected using inverse betadecay reaction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most nuclear fuels undergo spontaneous fission only very slowly, decaying instead mainly via an alpha/betadecay chain over periods of millennia to eons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other sources may also include betadecay from cobalt-60 and electron capture from copper-60. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Xe that has not captured a neutron all betadecay to isotopes of caesium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Radioactive isotopes must capture another neutron faster than they can undergo betadecay in order to create abundance peaks at germanium, xenon, and platinum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Neutrino oscillation experiments indicate that antineutrinos have mass, but betadecay experiments constrain that mass to be very small. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. If there is a high proton density in the stellar plasma, even short-lived radionuclides can capture one or more protons before they betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The electron energies from betadecay are not discrete but form a continuous spectrum with a cutoff at maximum energy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Betadecay also produces an antineutrino, which carries off variable amounts of the betadecay energy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The initial collapse of degenerate cores is accelerated by betadecay, photodisintegration and electron capture, which causes a burst of electron neutrinos. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Iodine-135 undergoes betadecay with half-life of 6.57 hours to xenon-135. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is formed in the nuclear fuel cycle by neutron capture on plutonium-242 followed by betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Weak nuclear forces provide the potential energy for certain kinds of radioactive decay, such as betadecay. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is in fact one of the down quarks that interacts in betadecay, turning into an up quark to form a proton (uud). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Betadecay modes have been found for all astatine isotopes except astatine-213, astatine-214, astatine-215, and astatine-216m. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A betadecay mode has been found for all astatine isotopes except for astatine-213, astatine-214, astatine-215, and astatine-216m. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Measurement of neutrinoless double betadecay will also be made by adding to the scintillator. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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