Absolute beam flux measurement at NDCX-I using gold-melting calorimetry technique

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We report on an alternative way to measure the absolute beam flux at the NDCX-I, LBNL linear accelerator. Up to date, the beam flux is determined from the analysis of the beam-induced optical emission from a ceramic scintilator (Al-Si). The new approach is based on calorimetric technique, where energy flux is deduced from the melting dynamics of a gold foil. We estimate an average 260 kW/cm2 beam flux over 5 {micro}s, which is consistent with values provided by the other methods. Described technique can be applied to various ion species and energies.

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Ni, P. A.; Bieniosek, F. M.; Lidia, S. M. & Welch, J. April 1, 2011.

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We report on an alternative way to measure the absolute beam flux at the NDCX-I, LBNL linear accelerator. Up to date, the beam flux is determined from the analysis of the beam-induced optical emission from a ceramic scintilator (Al-Si). The new approach is based on calorimetric technique, where energy flux is deduced from the melting dynamics of a gold foil. We estimate an average 260 kW/cm2 beam flux over 5 {micro}s, which is consistent with values provided by the other methods. Described technique can be applied to various ion species and energies.

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  • PAC 11, New York, NY, March 28 to April 1, 2011

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  • Report No.: LBNL-4287E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 1012248
  • Archival Resource Key: ark:/67531/metadc836705

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  • April 1, 2011

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  • May 19, 2016, 3:16 p.m.

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  • June 15, 2016, 6:40 p.m.

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Ni, P. A.; Bieniosek, F. M.; Lidia, S. M. & Welch, J. Absolute beam flux measurement at NDCX-I using gold-melting calorimetry technique, article, April 1, 2011; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc836705/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.