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...

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...

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...

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

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...

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...

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...

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

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...

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

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

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...

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...

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...

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...

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

interacts electromagnetically with one of the orbital electrons of an atom. This causes the electron to be emitted (ejected) from the atom. Thus, in internal...

half-lives (over 1015 years). Theoretically, 123Te can only undergo electron capture to 123Sb, whereas 180mTa can decay in both directions, to 180Hf or...

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...

making up 68.077% of the natural abundance. Possible sources include electron capture (EC) from copper-58, and EC + p from zinc-59. Nickel-59 is a long-lived...

of neutrinos are produced. First, electron neutrinos are produced early on in the collapse through electron capture on protons in the nuclei of the star's...

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...

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

stars, or in radioactive isotopes capable of electron capture, neutrons are created by electron capture: p + e− → n + ν e. This is similar to the inverse...

reported the observation of unexpected modulation in time of the rate of electron capture decays of highly ionized heavy atoms — 140Pr58+, which have a lifetime...

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

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)...

spectrometry Photodissociation Blackbody infrared radiative dissociation Electron capture dissociation Collision-induced dissociation is another, more common...

Negative electron affinities can be used in those cases where electron capture requires energy, i.e. when capture can occur only if the impinging electron has...