Radiocarbon dating was used in india for the first time at - RADIOCARBON Home Page


When cosmic rays enter the earth's atmosphere, they undergo various interactions with gas molecules which results in the production of fast moving neutrons. These energetic neutrons dissociate a nitrogen molecule into atoms and then reacts with these atoms to form 14 C. The reaction can be written as: [3]

It should be noted that these measurement uncertainties do not increase linearly as one goes back in time. In Accelerator Mass Spectrometry (AMS), for example, the number of radiocarbon atoms in a stream of atoms coming from the sample is counted. Thus there are statistical counting uncertainties proportional to the square root of the number of atoms counted. Older samples have a lower concentration of radiocarbon, but they can be (and often are) counted for longer periods of time to compensate for this lower concentration. By counting longer, the counting uncertainty in a radiocarbon measurement on a very old sample can be the same as that on a young sample.


Radiocarbon dating was used in india for the first time at

Radiocarbon dating was used in india for the first time at