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Emilio Segrè asserted in his autobiography that Enrico Fermi suggested the concept to Libby at a seminar in Chicago that year.Libby estimated that the steady-state radioactivity concentration of exchangeable carbon-14 would be about 14 disintegrations per minute (dpm) per gram.

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Carbon-14 is first formed when cosmic rays in the atmosphere allow for excess neutrons to be produced, which then react with Nitrogen to produce a constantly replenishing supply of carbon-14 to exchange with organisms.

An assessment is made of the credibility of the radiocarbon dating of the shroud of Turin.

In contrast, living material exhibit an activity of 14 d/min.g.

Thus, using Equation $$\ref$$, $\ln \dfrac = (1.21 \times 10^) t \nonumber$ Thus, $t= \dfrac = 2 \times 10^3 \text \nonumber$ From the measurement performed in 1947 the Dead Sea Scrolls were determined to be 2000 years old giving them a date of 53 BC, and confirming their authenticity.

The quoted final results produced a calibrated calendar age range of AD 1260–1390 for the linen of the Turin shroud at a 95% confidence level.