A study of the trace 39Ar content in argon from deep underground sources

@article{Xu2015ASO,
  title={A study of the trace 39Ar content in argon from deep underground sources},
  author={J. Xu and Frank P. Calaprice and Cristiano Galbiati and Augusto Goretti and Gurkan Guray and Tristen Hohman and Dave Holtz and Aldo Ianni and Matthias Laubenstein and B. Loer and C. Love and C J Martoff and Davide Montanari and Sujoy Mukhopadhyay and Andrew Nelson and Steven Derek Rountree and Robert Bruce Vogelaar and Alex Wright},
  journal={Astroparticle Physics},
  year={2015},
  volume={66},
  pages={53-60}
}

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A dating method with39Ar

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Short-lived radioisotopes such as 129I and 244Pu represent extremely powerful geochemical tools for tracing the early history of the Earth. Terrestrial 129Xe anomalies were first found in CO2-rich