accelerator mass spectroscopy  search
BTspectroscopy
 .mass spectroscopy
 ..accelerator mass spectroscopy
RTabsolute age
 C-14
 Al-26
 chemical analysis
 instruments
 Si-32
SNParticle accelerator and mass spectrometer. May be used in dating using cosmogenic isotopes. Before 1993, also search AMS. Added to Thesaurus in 1993.