Xenon-135 (135Xe) is an unstable isotope of xenon with a half-life of about 9.2 hours. 135Xe is a fission product of uranium and it is the most powerful...
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of xenon are an important tool for studying the early history of the Solar System. Radioactive xenon-135 is produced by beta decay from iodine-135 (a...
110 KB (12,013 words) - 01:23, 14 July 2024
of xenon-135 from fission is 6.3%, though most of this results from the radioactive decay of fission-produced tellurium-135 and iodine-135. Xe-135 exerts...
25 KB (2,085 words) - 21:50, 7 June 2024
Iodine pit (redirect from Xenon poisoning)
production rate of iodine-135, its decay to xenon-135, and its burning to xenon-136 and decay to caesium-135 are keeping the xenon-135 amount in the reactor...
16 KB (1,993 words) - 02:49, 12 April 2024
Iodine-135 (or one of its parent nuclides). Xenon-135 itself is unstable and decays to caesium-135 if not allowed to absorb neutrons. While caesium-135 is...
21 KB (2,629 words) - 00:58, 7 July 2024
iodine-135, which in turn decays (with a half-life of 6.57 hours) to new xenon-135. When the reactor is shut down, iodine-135 continues to decay to xenon-135...
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during nuclear reactions have a high neutron absorption capacity, such as xenon-135 (microscopic cross-section σ = 2,000,000 barns (b); up to 3 million barns...
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and 1 m in height. The detector project team, called the XENON Collaboration, is composed of 135 investigators across 22 institutions from Europe, the Middle...
26 KB (3,055 words) - 19:44, 4 December 2023
stable xenon-136. With the reactor power reduced, high quantities of previously produced iodine-135 were decaying into the neutron-absorbing xenon-135 faster...
272 KB (29,504 words) - 09:45, 14 July 2024
Isotopes of iodine (redirect from Iodine-135)
of buildup of xenon-135 from accumulated iodine-135 can temporarily preclude a shut-down reactor from restarting. This is known as xenon poisoning or "falling...
33 KB (2,939 words) - 06:36, 19 June 2024
amounts. The Three Mile Island accident in 1979 released 25 times more xenon-135 than Windscale, but much less iodine, caesium and strontium. Estimates...
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much higher than 1,000 barns in some cases (boron-10, cadmium-113, and xenon-135), while the cross sections for transmutations by gamma-ray absorption...
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removal of xenon-135. Xenon-135, an important neutron absorber, makes solid fueled reactors difficult to control. In a molten fueled reactor, xenon-135 can be...
114 KB (14,175 words) - 20:25, 12 May 2024
Furthermore, most of the fission product noble gases—chief among them Xenon-135 are strong neutron poisons. As the boiling point of the involved salts...
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important to nuclear reactor control. Other fission products, such as xenon-135 and samarium-149, have a high neutron absorption cross section. Since...
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Chernobyl disaster in 1986, when Reactor No. 4 suffered from a serious xenon-135 poisoning, which pushed the reactor into an unstable condition which later...
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Period 5 element (section Xenon)
xenon-135 is produced from iodine-135 as a result of nuclear fission, and it acts as the most significant neutron absorber in nuclear reactors. Xenon...
42 KB (4,989 words) - 03:33, 15 April 2024
Caesium-135 is a long-lived fission product with much weaker radioactivity. Neutron capture inside the reactor transmutes much of the xenon-135 that would...
34 KB (4,505 words) - 23:54, 9 July 2024
in nuclear fallout than in spent nuclear fuel since its parent nuclide xenon-135 is the strongest known neutron poison. The second-most used fissile isotope...
10 KB (1,371 words) - 10:36, 14 July 2024
The Ottawa Citizen. Retrieved 2 April 2021. "Iodine Pit - Xenon Peak - Xenon Pit". "Xenon-135 Reactor Poisoning". "Negative prices: how they occur, what...
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configuration. Xenon 2 Executive Upgraded turbocharged model, powered by a four cylinder, air and liquid-cooled, four-stroke, dual-ignition 135 hp (101 kW)...
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Isotopes of caesium (redirect from Caesium-135)
removes xenon from its fuel, a fast neutron reactor, or a nuclear weapon. The xenon pit is a phenomenon of excess neutron absorption through 135 Xe buildup...
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republic. She took part in the Manhattan Project and found a solution on Xenon-135 that allowed the B reactor to operate in order to build the atomic bomb...
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into the gas space to allow xenon and krypton to escape from the salt. Removing the most significant neutron poison xenon-135 made the reactor safer and...
30 KB (3,764 words) - 16:42, 30 May 2024
suspected iodine-135, with a half life of 6.6 hours, and its daughter product, xenon-135, which has a half life of 9.2 hours. Xenon-135 turned out to have...
55 KB (6,013 words) - 13:21, 2 May 2024
hazard from nuclear fission, used in nuclear medicine, industrial tracer Xenon-135 54 81 9.1 h β− 1160 Fission product strongest known "nuclear poison" (neutron-absorber)...
31 KB (2,660 words) - 14:00, 10 June 2024
Wu, who identified the cause of the problem as neutron poisoning from xenon-135, which has a half-life of 9.2 hours. Fermi, Woods, Donald J. Hughes and...
179 KB (21,812 words) - 17:49, 9 July 2024
neutrons absorbed by the (n, γ) reaction the cross section in some cases (xenon-135) is as much as 2,650,000 barns, while the cross sections for transmutations...
22 KB (2,865 words) - 20:02, 9 February 2024
it presents problems somewhat different from those encountered with xenon-135. The equilibrium concentration (and thus the poisoning effect) builds...
72 KB (8,167 words) - 15:59, 11 July 2024
and zirconium is relatively inert in the environment. Caesium-135's predecessor xenon-135 is produced at a high rate of over 6% of fissions, but is an...
13 KB (2,061 words) - 03:20, 28 June 2024