Sentence examples for pi meson from inspiring English sources

Mesic atom, atom in which one electron is replaced by a negative muon or a negative pion (pi meson).

In 1949 he was appointed research associate at MIT where he made the first measurements of the mean life of the pi meson at the MIT electron synchrotron.

In 1951 Dalitz demonstrated that the pi meson, an electrically neutral particle that carries the force that binds together the atomic nucleus, can decay into a photon and an electron-positron pair (the so-called Dalitz pair).

Later he led a group of graduate students in the first successful measurement of the size of the pi meson, a charged particle produced when electrons and protons collide.

A lone pi meson had traveled through the detectors, giving off a diagnostic double pulse of energy in the scintillators.

So the team built a detector specialized for measuring the energy and momentum of the pi meson and its own decay products.

Fermi primarily investigated subatomic particles, particularly pi mesons and muons, after returning to Chicago.

His doctoral research was on the production of particles called pi mesons by bombarding helium with powerful X-rays.

Quarks may also combine with antiquarks (their antiparticles, which have opposite colour) to form mesons, such as pi mesons and K mesons.

The bombardment produced a stream of different particles, including those called pions (pi mesons) that, as they traveled, decayed into muons (mu mesons) and neutrinos.

In studying the decay of strange particles then known as tau and theta particles, which decayed, respectively, into three and two pi mesons, Dalitz in 1954 developed a two-dimensional plot on which it was possible to map decay outcomes.