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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
3 IPNO - Institut de Physique Nucléaire d'Orsay
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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Conference papers
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http://hal.in2p3.fr/in2p3-01234964
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Submitted on : Friday, November 27, 2015 - 2:48:28 PM
Last modification on : Friday, April 30, 2021 - 10:21:47 AM

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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. Nuclear Physics in Astrophysics Conference (NPA VII) 18–22 May 2015, York, UK, May 2015, York, United Kingdom. ⟨in2p3-01234964⟩

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