Alpha particles, also called alpha rays or alpha radiation, consist of two protons and two neutrons bound together into a particle identical to a helium-4...

Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus). The parent nucleus transforms...

its mass is concentrated. They deduced this after measuring how an alpha particle beam is scattered when it strikes a thin metal foil. The experiments...

regarded as being more ionising than gamma rays, but less ionising than alpha particles. The higher the ionising effect, the greater the damage to living tissue...

atomic, nuclear and subatomic systems, began with Ernest Rutherford's alpha particle scattering model of 1911.: xiv  The ingredients in Rutherford's approach...

alpha particle X-ray spectrometer (APXS) is a spectrometer that analyses the chemical element composition of a sample from scattered alpha particles and...

Targeted alpha-particle therapy (or TAT) is an in-development method of targeted radionuclide therapy of various cancers. It employs radioactive substances...

Alpha spectrometry (also known as alpha(-particle) spectroscopy) is the quantitative study of the energy of alpha particles emitted by a radioactive nuclide...

The triple-alpha process is a set of nuclear fusion reactions by which three helium-4 nuclei (alpha particles) are transformed into carbon. Helium accumulates...

for emission spectra and valencies. Based on experimental studies of alpha particle scattering (in the gold foil experiment), Ernest Rutherford developed...

"alpha particle problem", which was affecting the reliability of integrated circuits as device features reached a critical size where a single alpha particle...

has occurred only once) may explain it away as a soft error due to alpha particles or cosmic rays affecting the hardware, a well-documented phenomenon...

numbers such as deuterium, helium-4 (the alpha particle), carbon-12, lead-208, and many others. As quantum particles, the behaviour of multiple indistinguishable...

in a collision of two particles. For example, the Rutherford cross-section is a measure of probability that an alpha particle will be deflected by a...

[citation needed] Ionizing subatomic particles include alpha particles, beta particles, and neutrons. These particles are created by radioactive decay, and...

interaction mechanisms, directional measurements of protons, electrons, and alpha particles were made over a wide energy range, and DC and AC electric and magnetic...

x-rays, and gamma radiation (γ) particle radiation consisting of particles of non-zero rest energy, such as alpha radiation (α), beta radiation (β)...

beam of alpha particles. They did this to measure the scattering patterns of the alpha particles. They spotted a small number of alpha particles being deflected...

and yet, this occurs on a daily basis in all particle collider experiments. The problem of alpha particle track was discussed at the Fifth Solvay conference...

valence electrons. Uranium radioactively decays, usually by emitting an alpha particle. The half-life of this decay varies between 159,200 and 4.5 billion...

extreme toxicity is attributed to intense radioactivity, mostly due to alpha particles, which easily cause radiation damage, including cancer in surrounding...

nitrogen nuclei were bombarded with alpha particles. These experiments led him to discover the emission of a subatomic particle that he initially called the...

naturally; they are usually produced by bombarding bismuth-209 with alpha particles. Astatine is an extremely radioactive element; all its isotopes have...

alpha particle was absorbed. If the alpha particle were not absorbed, then 3 charged particles, a negatively charged carbon, a proton, and an alpha particle...

supervision fired alpha particles (helium 4 nuclei) at a thin film of gold foil. The plum pudding model had predicted that the alpha particles should come out...

physics, a subatomic particle is a particle smaller than an atom. According to the Standard Model of particle physics, a subatomic particle can be either a...

force acting on charged particles, typically alpha and beta particles, due to interaction with matter, resulting in loss of particle kinetic energy. Stopping...

Alpha strike may refer to: Alpha strike (engineering), when an alpha particle enters and causes damage to the data contained in a computer processor Alpha...

of deflection, it was clear that alpha particles were much more massive than beta particles. Passing alpha particles through a very thin glass window...

particles. protons positrons (antielectrons) positively charged pions alpha particles cations electrons antiprotons muons tauons negative charged pions anions...