Neutron induced reactions at the Athens Tandem Accelerator NCSR “Demokritos”

Vlastou, R.; Papadopoulos, C.; Kokkoris, M.; Perdikakis, G.; Galanopoulos, S.; Serris, M.; Lagoyannis, A.; Harissopulos, S.

doi:10.1007/s10967-007-0503-8

Cited by 16 publications

(15 citation statements)

References 5 publications

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“…As a by-product, the 74 Ge(n,α) 71m Zn cross section was obtained at 14.8 MeV and found to be (3.24±0.17) mb, in good agreement with the previous datum of [9]. Because of unfavorable threshold, decay-time and γ ray energy values, other neutroninduced reaction cross-section determinations on 74 Ge 75 Ge reaction compared with results from earlier measurements [15,17,19,[22][23][24][25][26][27][28][29][30][31][32][33], the model calculation TENDL-2014, and the JENDL-4.0 [12] and ENDF/B-VII.1 [13] evaluations.…”

Section: Resultssupporting

confidence: 84%

“…6, we note that our data for the 76 Ge(n,2n) 75 Ge reaction in the 14 MeV region are in good agreement with the lower set of the previous crosssection data. At lower energies the present data confirm the energy dependence established by the two data points of [29] near 12.5 and 13 MeV and the five data points of [22,23] and the isomeric-to-ground state ratio σ m /σ g are shown in Figs. 9 and 10.…”

Section: Fig 8: (Color Online) Comparison Of Cross-section Datasupporting

confidence: 90%

“…The TENDL-2014 predictions are in much better agreement with the present data than the EAF-2010 evaluation, which favors the upper cluster of the previously available experimental data. [15,17,19,[22][23][24][25][26][27][28][29][30][31][32][33] and TALYS calculations for the 76 Ge(n,2n) 75 Ge reaction using different level-density choices (see text). Our data are best described by the generalized superfluid model.…”

Section: Fig 7: (Color Online) Comparison Of Cross-section Datamentioning

confidence: 99%

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Total and isomeric-state cross sections for theGe76(n,2n)Ge75reaction

2017

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The cross section for the reaction 76 Ge(n,2n) 75 Ge to both the isomeric and ground state of 75 Ge has been measured with the activation method between 10 and 15 MeV in small energy steps to help resolve inconsistencies in the existing database. The 197 Au(n,2n) 196 Au reaction with its known cross section was used for normalization of the data, which are compared to experimental and evaluated data of the EXFOR, EAF, JENDL, ENDF, and TENDL libraries. Model calculations using the TALYS-1.8 code are presented which also allow for the extrapolation to higher neutron energies. The data are important to estimate potential neutron-induced backgrounds in currently running large-scale experiments aimed at the discovery of neutrinoless double-beta decay of 76 Ge.

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Section: Resultssupporting

confidence: 84%

Section: Fig 8: (Color Online) Comparison Of Cross-section Datasupporting

confidence: 90%

Section: Fig 7: (Color Online) Comparison Of Cross-section Datamentioning

confidence: 99%

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Total and isomeric-state cross sections for theGe76(n,2n)Ge75reaction

2017

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“…We have demonstrated the importance of ion-beam analysis for fusion research, connected to the presence of special elements such as Be and isotopes such as D, T, 15 N, and other tracers, and the importance of full compositional analysis including minute quantities for understanding the underlying plasma-surface interactions. In addition, we…”

Section: Discussionmentioning

confidence: 99%

Ion beam analysis of fusion plasma-facing materials and components: facilities and research challenges

et al. 2019

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Following the IAEA Technical Meeting on "Advanced Methodologies for the Analysis of Materials in Energy Applications Using Ion Beam Accelerators", this paper reviews the current status of ion beam analysis techniques and some aspects of ion-induced radiation damage in materials for the field of materials relevant to fusion. Available facilities, apparatus development and future research options and challenges are presented and discussed. The analysis of beryllium and radioactivity-containing samples from future experiments in JET or ITER represents not only an analytical but also a technical challenge. A comprehensive list of xxxx-xxxx/xx/xxxxxx 1

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“…Studies of excitation functions of neutron induced reactions are important both for fundamental research in Nuclear Physics as well as for applications, especially in the field of nuclear technology [1][2][3]. Systematics on reaction channels, such as (n,p), (n,α) and (n,2n), at different isotopes, are important for the optimization of input parameters in statistical model calculations.…”

Section: Introductionmentioning

confidence: 99%

Cross Section Measurements of (n,p) Reactions on Ge Isotopes

Gkatis¹,

Vlastou

Kalamara³

et al. 2020

hnps

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The 72,73Ge(n,p)72,73Ga reaction cross sections were measured at the 5.5MV HV Tandem accelerator of NCSR “Demokritos”, at neutron energies 17.7 and 19.3 MeV by using the activation method. The contamination from the (n,d) and (n,np) reactions on 73Ge and 74 Ge, leading to the 72Ge and 73Ge residual nuclei, respectively, has been taken into account, implementing the corresponding cross sections from TENDL-2017. A systematic investigation of the isotopic effect on all Ge isotopes is also presented, from threshold up to 20MeV, using the present data along with existing data in literature

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Neutron induced reactions at the Athens Tandem Accelerator NCSR “Demokritos”

Cited by 16 publications

References 5 publications

Total and isomeric-state cross sections for theGe76(n,2n)Ge75reaction

Total and isomeric-state cross sections for theGe76(n,2n)Ge75reaction

Ion beam analysis of fusion plasma-facing materials and components: facilities and research challenges

Cross Section Measurements of (n,p) Reactions on Ge Isotopes

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