Gamma ray production cross sections in proton induced reactions on natural Mg, Si and Fe targets over the proton energy range 30 up to 66 MeV

W. Yahia-Chérif S. Ouichaoui J. Kiener 1 V. Tatischeff 1 E. Lawrie J. J. Lawrie A. Belhout H. Benhabiles T. D. Bucher A. Chafa S. Damache M. Debabi I. Deloncle 2 J. L. Easton C. Hamadache 1 F. Hammache 3 P. Jones B. V. Kheswa N. Khumalo T. Lamula S. T. H. Majola D. Negi J. Ndayishimye S. P. Noncolela D. Moussa R. Nchodu P. Papka N. de Sereville 3 J. F. Sharpey-Schafer O. Shirinda M. Wiedeking S. Wyngaardt
1 CSNSM AN
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière
2 CSNSM SNO
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière : UMR8609
Abstract : Gamma-ray excitation functions have been measured for 30, 42, 54 and 66 MeV proton beams accelerated onto C + O (Mylar), Mg, Si, and Fe targets of astrophysical interest at the separate-sector cyclotron of iThemba LABS in Somerset West (Cape Town, South Africa). A large solid angle, high energy resolution detection system of the Eurogam type was used to record Gamma-ray energy spectra. Derived preliminary results of Gamma-ray line production cross sections for the Mg, Si and Fe target nuclei are reported and discussed. The current cross section data for known, intense Gamma-ray lines from these nuclei consistently extend to higher proton energies previous experimental data measured up to Ep ~ 25 MeV at the Orsay and Washington tandem accelerators. Data for new Gamma-ray lines observed for the first time in this work are also reported.
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Submitted on : Friday, November 27, 2015 - 2:48:28 PM
Last modification on : Friday, March 15, 2019 - 2:28:06 PM

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  • HAL Id : in2p3-01234964, version 1
  • ARXIV : 1507.02656

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W. Yahia-Chérif, S. Ouichaoui, J. Kiener, V. Tatischeff, E. Lawrie, et al.. Gamma ray production cross sections in proton induced reactions on natural Mg, Si and Fe targets over the proton energy range 30 up to 66 MeV. 2015. ⟨in2p3-01234964⟩

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