- pionic atom
- пионный атом, пи-мезоатом
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
Exotic atom — An exotic atom is an otherwise normal atom in which one or more sub atomic particles have been replaced by other particles of the same charge. For example, electrons may be replaced by other negatively charged particles such as muons (muonic… … Wikipedia
pion — [pī′än΄] n. [ PI2 + (MES)ON] Particle Physics any of three short lived mesons that may be positive, negative, or neutral: pions have a mass c. 270 times that of an electron and play an important role in the binding forces within the nucleus of an … English World dictionary