Excitation function measurements and integral yields estimation for natZn(p,x) reactions at low energies

Al-Saleh, F. S.; Mugren, K.S. Al; Azzam, A.

doi:10.1016/j.apradiso.2007.05.004

Cited by 29 publications

(14 citation statements)

References 20 publications

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“…-The maximum measured value for the cross section in the studied energy range is about 170 mb at E p ≈ 26 MeV. -There is a good agreement within the experimental uncertainty between this study and the previously published cross sections [9,28,29] and the data recommended by the IAEA [13] over the whole energy range. This good agreement with the recommended values adds reliability to our measurement techniques.…”

Section: Nat Ni(p X) 57 Nisupporting

confidence: 79%

“…The contribution of the reaction 58 Fe( p, n) is weak enough to be neglected due to the low value of 58 Fe abundance (0.29%), also the maximum cross section value for the production of 58 Co from the natural iron at E p = 12.3 MeV is as low as 2.3 mb [26,27], compared to 80 mb of the total cross section predicted by theoretical calculations. The 60 Ni( p, 2 pn), E th = 20.3 MeV nuclear reaction has a relatively low cross section value of 8.3 mb compared with σ = 500 mb for the nat Co( p, pn + d) 58 Co reaction predicted by the ALICE-IPPE code calculation [28]; thus the contribution of this reaction can be disregarded. The abundances for the isotopes 61 , αn).…”

Section: Basic and Interfering Reactionsmentioning

confidence: 99%

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Activation cross-section measurements of some proton induced reactions on Ni, Co and Mo for proton activation analysis (PAA) purposes

Alharbi¹,

Alzahrani

Azzam³

2011

Radiochimica Acta

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Proton activation / Excitation function / Cross sections / ALICE-IPPE / TALYS / Havar alloy / Ni / Co / MoSummary. The experimental proton induced reaction cross sections on some elements of the Havar alloy were measured using the activation method and the well established stacked-foil technique combined with high resolution gammaray spectroscopy. They included the reactions nat Ni( p, x) 57 Ni, nat Co( p, x) 58(m+g) Co and nat Mo( p, x) 94g,95g,96(m+g) Tc, the aim being to obtain reliable data in the proton energy range up to 26 MeV for some important reactions to be used in the proton activation analysis of steel or other alloys. Irradiations were performed using the CS-30 Cyclotron at KFSH and RC, Riyadh, Saudi Arabia. The activity measurements were carried out in PNU laboratories, Riyadh, Saudi Arabia. The experimental excitation functions for the investigated reactions were constructed and compared with the performed computed theoretical nuclear model calculations using two different codes: ALICE-IPPE and TALYS. A comparison between our measured cross-section values and the available published data is also presented, with a view to checking the consistency of the reported experimental work from various laboratories.

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Section: Nat Ni(p X) 57 Nisupporting

confidence: 79%

Section: Basic and Interfering Reactionsmentioning

confidence: 99%

Activation cross-section measurements of some proton induced reactions on Ni, Co and Mo for proton activation analysis (PAA) purposes

Alharbi¹,

Alzahrani

Azzam³

2011

Radiochimica Acta

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“…6 up to the starting energy of the 70 Zn( p, 3n) 68 Ga reaction (E thr = 19.68 MeV). The cross section data of Al-Saleh et al [7] seem to be shifted by 1 MeV towards higher energy direction. Additionally their lowest energy point is extremely high (around 209 mb at 3.7 MeV).…”

Section: Cross Sections Of the 68 Zn( P N) 68 Ga Nuclear Reactionmentioning

confidence: 90%

“…6. Since that evaluation work, only Al-Saleh et al (2007) [7] reported new values for this reaction using natural zinc as target. Their reported data were converted by us to 100% 68 Zn enrichment level, and the values are reproduced in Fig.…”

Section: Cross Sections Of the 68 Zn( P N) 68 Ga Nuclear Reactionmentioning

confidence: 96%

“…This fact also initiated those studies that investigate its 'in-house' direct production possibilities [cf . 7,8]. Taking into account the type of the usually accelerated particles of the low energy medical accelerators (up to ∼ 20 MeV bombarding particle energies), basically three reactions can produce 68 Ga efficiently, namely the 65 Cu(α, n) 68 Ga (E thr = 6.18 MeV) on copper, the *Author for correspondence (E-mail: szele@atomki.hu).…”

Section: Introductionmentioning

confidence: 99%

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Investigation of direct production of ⁶⁸Ga with low energy multiparticle accelerator

Szelecsényi

Kovács

Nagatsu³

et al. 2011

Ract

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Medical radioisotope 68 Ga / Proton and alpha-particle induced reactions / Excitation function / Integral yield / 66 Ga and 67 Ga contamination levels Summary. Experimentally measured cross sections are presented for the nat Cu(α, xn) 66,67,68 Ga and 68 Zn( p, xn) 67,68 Ga nuclear processes up to 36 and 20 MeV, respectively. Based on these results and the reliable cross section data available in the literature, the possible thick target yields were also calculated. Two different 68 Ga production routes (Cu + α and Zn + p) are discussed in detail, especially with regard to the 66 Ga and 67 Ga contamination levels as a function of the target enrichment level and the incident bombarding energies. Both processes can be used for in-house 68 Ga production with low (< 1%) 66 Ga and/or 67 Ga EOB contamination using enriched 68 Zn (> 80%) or 65 Cu (> 95%) target. The maximum available yield on 100% enriched 68 Zn and 65 Cu (irradiation time: 2.25 h; bombarding energy: E p = 20 MeV and E α = 18 MeV) is 352.45 mCi/µA (13.04 GBq/µA) and 14.28 mCi/µA (528.36 MBq/µA), respectively.

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Production of 61Cu by the natZn(p,α) reaction: improved separation and specific activity determination by titration with three chelators

Ali

Smith

Morandeau

et al. 2015

J Radioanal Nucl Chem

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The cyclotron-based production of positron-emitting 61 Cu using the (p,α) reaction at 11.7MeV was investigated starting from natural-zinc ( nat Zn) and enriched 64 Zn-foil targets, as well as its subsequent purification. For nat Zn, a combination of three resins were assessed to separate 61 Cu from contaminating 66,67,68 Ga and nat Zn. The specific activity of the purified 61 Cu determined using ICP-MS analysis ranged from 143.3±14.3(SD) to 506.2±50.6 MBq/µg while the titration method using p-SCN-Bn-DOTA, p-SCN-Bn-NOTA and diamsar gave variable results (4.7±0.2 to 412.5±15.3 MBq/µg), with diamsar lying closest to the ICP-MS values. Results suggest that the p-SCN-Bn-DOTA and p-SCN-Bn-NOTA titration methods are significantly affected by the presence of trace-metal contaminants.

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Excitation function measurements and integral yields estimation for natZn(p,x) reactions at low energies

Cited by 29 publications

References 20 publications

Activation cross-section measurements of some proton induced reactions on Ni, Co and Mo for proton activation analysis (PAA) purposes

Activation cross-section measurements of some proton induced reactions on Ni, Co and Mo for proton activation analysis (PAA) purposes

Investigation of direct production of ⁶⁸Ga with low energy multiparticle accelerator

Production of 61Cu by the natZn(p,α) reaction: improved separation and specific activity determination by titration with three chelators

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Excitation function measurements and integral yields estimation for natZn(p,x) reactions at low energies

Cited by 29 publications

References 20 publications

Activation cross-section measurements of some proton induced reactions on Ni, Co and Mo for proton activation analysis (PAA) purposes

Activation cross-section measurements of some proton induced reactions on Ni, Co and Mo for proton activation analysis (PAA) purposes

Investigation of direct production of 68Ga with low energy multiparticle accelerator

Production of 61Cu by the natZn(p,α) reaction: improved separation and specific activity determination by titration with three chelators

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Product

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Investigation of direct production of ⁶⁸Ga with low energy multiparticle accelerator