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...

An electron capture detector (ECD) is a device for detecting atoms and molecules in a gas through the attachment of electrons via electron capture ionization...

electron capture is a decay mode of an atomic nucleus. For a nuclide (A, Z) with a number of nucleons A and atomic number Z, double electron capture is...

of electron capture ionization. The electron affinity is positive when energy is released on electron capture. In solid state physics, the electron affinity...

type called an electron capture supernova. ... In an electron capture supernova, as the core runs out of fuel, gravity forces electrons in the core into...

same. In electron capture, an inner atomic electron is captured by a proton in the nucleus, transforming it into a neutron, and an electron neutrino is...

Electron capture ionization is the ionization of a gas phase atom or molecule by attachment of an electron to create an ion of the form A − {\displaystyle...

molecule M. Adding an electron through an ion-ion reaction is called electron-transfer dissociation (ETD). Similar to electron-capture dissociation, ETD induces...

Electron-capture dissociation (ECD) is a method of fragmenting gas-phase ions for structure elucidation of peptides and proteins in tandem mass spectrometry...

produces antineutrinos). In electron capture, some proton-rich nuclides were found to capture their own atomic electrons instead of emitting positrons...

quantified as the detector output. In the electron capture mode, the PDD is a selective detector for monitoring high electron affinity compounds such as freons...

by the electron beam ion trap. Electron capture ionization (ECI) is the ionization of a gas phase atom or molecule by attachment of an electron to create...

with a nucleus containing 26 protons and 29 neutrons. It decays by electron capture to manganese-55 and this process has a half-life of 2.737 years. The...

iodine, after iodine-129. Its half-life is 59.392 days and it decays by electron capture to an excited state of tellurium-125. This state is not the metastable...

products which are neutron heavy, positron emission or electron capture are rare compared to electron emission. There are many relatively short beta decay...

main types of beta decay: Electron emission (β−) to 40Ca with a decay energy of 1.31 MeV at 89.6% probability Electron capture (EC) to 40Ar* followed by...

astatine-218 exhibit beta minus decay, while astatine-211 undergoes electron capture. The most stable isotope is astatine-210, which has a half-life of...

California, Berkeley. Alvarez devised a set of experiments to observe K-electron capture in radioactive nuclei, predicted by the beta decay theory but never...

by electron capture. For low-energy decays, electron capture is energetically favored by 2mec2 = 1.022 MeV, since the final state has an electron removed...

stellar core collapses, the pressure causes electrons and protons to fuse by electron capture. Without electrons, which keep nuclei apart, the neutrons collapse...

accompanied by the emission of an electron and an antineutrino, while proton to neutron transition (except in electron capture) causes the emission of a positron...

the energy of red light, that energy is not captured by devices with a single p-n junction. The electron is ejected with higher energy when struck by...

(MS/MS). Similar to electron-capture dissociation, ETD induces fragmentation of large, multiply-charged cations by transferring electrons to them. ETD is...

electron capture and beta decay, both of which would bring the nuclei closer to the beta-stability line where the island is expected to be. Electron capture...

orbital electrons (double electron capture). If the mass difference between the parent and daughter atoms is more than 1.022 MeV/c2 (two electron masses)...

theories of cryonics (the cryopreservation of humans). He invented the electron capture detector and, using it, became the first to detect the widespread presence...

deuteron can also be produced by the rare pep (proton–electron–proton) reaction (electron capture): In the Sun, the frequency ratio of the pep reaction...

using an electron capture detector coupled to a gas chromatograph. Negative ions are formed by resonance capture of a near-thermal energy electron, dissociative...

an electron-capture supernova The 1054 supernova explosion that created the Crab Nebula had been thought to be the best candidate for an electron-capture...

to allow short-lived 45Ca to capture a neutron. 48Ca is produced by electron capture in the r-process in type Ia supernovae, where high neutron excess and...