Radiocarbon determinations using a minicyclotron

Applications in archaeology

W. J. Zhou, M. B. Chen, Y. H. Liu, D. Donahue, J. Head, X. F. Lu, A.J. Timothy Jull, Lin Deng

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The first international minicyclotron AMS facility has been brought into routine operation after many years of effort. The mass resolution of this device is greater than 3000, and the precision of isotopic ratio measurements is 1%. The age limit for 14C dating is about 42,000 yr BP. We have used the International Oxalic Acid Standards together with geological and archaeological samples of known age as cross-checks, to evaluate the precision and accuracy of the machine. All of the cross-check results agree within two standard deviations. The performance of the machine has achieved the level of routine dating normally achieved by Tandem accelerators. The authors have used this new technique to provide a chronology for metallurgical relics in Ruichang, Janxi province. The results obtained provide significant proof for the existence of an extensive copper mining and refining industry which was 500 years earlier than previously thought.

Original languageEnglish (US)
Pages (from-to)201-205
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume172
Issue number1-4
StatePublished - 2000

Fingerprint

Copper refining
archaeology
Copper mines
Oxalic Acid
Oxalic acid
dating
Particle accelerators
Alpha Magnetic Spectrometer
oxalic acid
chronology
refining
standard deviation
Industry
accelerators
industries
copper

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

Cite this

Radiocarbon determinations using a minicyclotron : Applications in archaeology. / Zhou, W. J.; Chen, M. B.; Liu, Y. H.; Donahue, D.; Head, J.; Lu, X. F.; Jull, A.J. Timothy; Deng, Lin.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 172, No. 1-4, 2000, p. 201-205.

Research output: Contribution to journalArticle

Zhou, W. J. ; Chen, M. B. ; Liu, Y. H. ; Donahue, D. ; Head, J. ; Lu, X. F. ; Jull, A.J. Timothy ; Deng, Lin. / Radiocarbon determinations using a minicyclotron : Applications in archaeology. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2000 ; Vol. 172, No. 1-4. pp. 201-205.
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