For example, a wooden object that remains in use for a lengthy period will have an apparent age greater than the actual age of the context in which it is deposited. Fairbanks, and B. Radiometric dating methods detect beta particles from the decay of carbon 14 atoms while accelerator mass spectrometers count the number of carbon 14 atoms present in the sample. Chronostratigraphy Geochronology Isotope geochemistry Law of superposition Luminescence dating Samarium—neodymium dating. From Hiroshima to the Iceman. American Antiquity 52 2: Because they are moving so fast, they lose several electrons from their electron cloud, and as a result become positively charged.
Calibration of radiocarbon dates
As these fluctuations in the calibration are quite common, reducing the error in calibrated age is not always possible.
Accelerator Mass Spectrometry (AMS) Dating
This has led to a great increase in the use of 14 C dating in applications to artwork, where conservation of the work requires removal of the smallest sample possible. Libby 15 June US Department of State.