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New determinations of gamma-ray line intensities of the Ep=550 and 1747 keV resonances of the 13C(p,γ)14N reaction

✍ Scribed by J Kiener; M Gros; V Tatischeff; D Attié; I Bailly; A Bauchet; C Chapuis; B Cordier; I Deloncle; M.G Porquet; S Schanne; N.de Séréville; G Tauzin

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
539 KB
Volume
519
Category
Article
ISSN
0168-9002

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✦ Synopsis

Gamma-ray angular distributions for the resonances at E p =550 and 1747 keV of the radiative capture reaction 13 C(p,g) 14 N have been measured, using intense proton beams on isotopically pure 13 C targets. Experimental gamma-ray spectra were obtained with three HP-Germanium detectors at four angles for E p =550 keV and six angles for E p =1747 keV in the range of 0-90 with respect to the proton beam. From the data, relative intensities for the strongest transitions were extracted with an accuracy of typically 5%, making these resonances new useful gamma-ray standards for efficiency calibration in the energy range from E g =1.6-9 MeV. Gamma-ray branching ratios were obtained for several levels of 14 N and are compared with literature values.

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✍ Sanjiv Kumar; S. Vikram Kumar; G.L.N. Reddy; Vivekanand Kain; J.V. Ramana; V.S. 📂 Article 📅 2005 🏛 Elsevier Science 🌐 English ⚖ 157 KB

Resonances at 429 keV and 897 keV in the 15 N(p, ac) 12 C reaction were investigated for depth profiling nitrogen in materials containing nitrogen isotopes in natural abundances. Both resonances exhibit identical sensitivity, however the resonance at 897 keV is prone to interferences from light elem