Alpha rays


Also found in: Thesaurus, Medical, Encyclopedia.
References in periodicals archive ?
1 minutes), was taken as the measuring object for alpha rays ([alpha]-rays).
Very methodically he began to study the properties of the alpha rays (helium nuclei), emanating from the decay of the radium, using his own specially designed apparatus.
Alpha rays carry a positive charge, beta rays carry a negative charge and gamma rays are neutral.