A nuclear isomer is a metastable state of an atomic nucleus, in which one or more nucleons (protons or neutrons) occupy excited state (higher energy) levels...
29 KB (3,457 words) - 16:56, 12 August 2024
Isotopes of thorium (redirect from Lowest-energy nuclear isomer)
half-lives that are less than ten minutes. One isotope, 229Th, has a nuclear isomer (or metastable state) with a remarkably low excitation energy, recently...
50 KB (4,954 words) - 12:22, 25 August 2024
level. The only nuclear state suitable for the development of a nuclear clock using existing technology is thorium-229m, a nuclear isomer of thorium-229...
48 KB (5,354 words) - 14:17, 22 August 2024
distinct arrangements of atoms in space. Isomerism refers to the existence or possibility of isomers. Isomers do not necessarily share similar chemical...
41 KB (5,523 words) - 06:03, 19 July 2024
that it is an excited nuclear isomer of tantalum-180. See isotopes of tantalum. However, the half-life of this nuclear isomer is so long that it has...
28 KB (3,354 words) - 20:00, 3 July 2024
Hafnium controversy (category Nuclear interdisciplinary topics)
'triggering' rapid energy releases, via gamma ray emission, from a nuclear isomer of hafnium, 178m2Hf. Per event the energy release is 5 orders of magnitude...
18 KB (2,372 words) - 20:48, 22 July 2024
Induced gamma emission (redirect from Isomer bomb)
emission of gamma rays from excited nuclei, usually involving a specific nuclear isomer. It is analogous to conventional fluorescence, which is defined as the...
15 KB (1,973 words) - 15:15, 28 December 2023
Technetium-99m (section Nuclear properties)
Technetium-99m (99mTc) is a metastable nuclear isomer of technetium-99 (itself an isotope of technetium), symbolized as 99mTc, that is used in tens of...
70 KB (7,759 words) - 10:02, 19 August 2024
Isomeric shift (redirect from Isomer shift)
called isomer shift) is the shift on atomic spectral lines and gamma spectral lines, which occurs as a consequence of replacement of one nuclear isomer by...
12 KB (1,780 words) - 04:36, 3 April 2024
Isotopes of rutherfordium (section Nuclear isomerism)
longest-lived isomer is 263mRf with a half-life of 8 seconds. mRf – Excited nuclear isomer. ( ) – Uncertainty (1σ) is given in concise form in parentheses after...
56 KB (5,063 words) - 16:56, 23 June 2024