sibel akça - Academia.edu (original) (raw)

Papers by sibel akça

Cumhuriyet Science Journal, Dec 23, 2014

Özet. Nükleer model hesaplamaları ve mevcut deneysel dataların analizinden yararlanılarak 3 GeV'e... more Özet. Nükleer model hesaplamaları ve mevcut deneysel dataların analizinden yararlanılarak 3 GeV'e kadar protonlarla ışınlanan Pb hedefinin değerlendirilmiş p,d, t, 3 He, ve 4 He üretim tesir kesiti dataları elde edilmiştir. Gaz üretim tesir kesiti hesaplamaları intranükleer cascade model, denge-öncesi exciton model, geometri bağımlı hibrit model, Weisskopf-Ewing model, ve Hauser-Feshbach modelleri kullanan CASCADE, TALYS, ALICE/ASH kodları ile yapılmıştır. Değerlendirme KIT/INR'de geliştirilen BEKED kod paketindeki istatistiksel metodlar kullanılarak gerçekleştirilmiştir.

Radiation Physics and Chemistry, Sep 1, 2020

Abstract Bern-4M muscovite from Switzerland was investigated via X-ray diffraction (XRD), energy ... more Abstract Bern-4M muscovite from Switzerland was investigated via X-ray diffraction (XRD), energy dispersive spectrometer (EDS) and thermoluminescence (TL). Muscovite has the theoretical formula KAl2(AlSi3O10)(FOH)2, or (KF)2(Al2O3)3(SiO2)6(H2O). Chemical analysis of the muscovite sample was carried out using EDS for major oxides. The results indicate that muscovite includes oxygen (59.1%), silicon (18.86%), and aluminum (15.22%) as major elements and contains low concentrations of potassium, magnesium, and sodium. In standard muscovites potassium use to be 10% and oxygen 47%, probably the sample was strongly lixiviated before the analysis. The thermoluminescence spectrum exhibits a wide glow peak located at 250 °C with a shoulder peak at high temperature region. Trap depth and frequency factor were calculated using Hoogenstraaten's method and found to be 1.16 eV and 1.4 × 1010 s−1, respectively. Reproducibility test indicated that the values within ±5% were obtained after 15 cycles. The storage time experiments were performed for different time periods up to 1 week for dark fading.

Kerntechnik, Dec 19, 2013

Copper and cobalt radioisotopes have been used for both diagnostic and therapeutic purposes in th... more Copper and cobalt radioisotopes have been used for both diagnostic and therapeutic purposes in the field of nuclear medicine. There is considerable interest in 60 ,61,64,67Cu and 55,57Co radioisotopes for some applications like PET, SPECT imaging and targeted radiotherapy of tumors. In present study, the production of 60,61,64,67Cu and 55,57Co via 64Zn(p,α)61Cu, 67Zn(p,α)64Cu, 70Zn(p,α)67Cu, 58Ni(p,α)55Co, 60Ni(p,α)57Co, 64Zn(p,nα)6°Cu and 68Zn(p,nα)64Cu reactions have been investigated in the range of 5–40 MeV proton incident energy. The new version of the code ALICE-2011 is used to determine the excitation functions of these nuclear reactions. The calculated excitation functions were compared with experimental results and semi-empirical cross section values of a previously developed model.

Kerntechnik, Dec 18, 2014

ABSTRACT

Applied Radiation and Isotopes, Nov 1, 2018

• CL and TL properties of gem-quality diaspore samples were determined after 100 h of UVC exposur... more • CL and TL properties of gem-quality diaspore samples were determined after 100 h of UVC exposure. • The UVC exposure induces significant changes in the intensity of the CL. • The 100 h UVC-irradiated and as received samples display three maxima. • The physical trapping parameters were estimated by using GCA program.

Epj Web of Conferences, 2017

Atomic displacement and gas production cross-sections were obtained for a number of materials to ... more Atomic displacement and gas production cross-sections were obtained for a number of materials to calculate radiation damage and gas production rate in nuclear-and fusion reactors, and neutron spallation sources. An advanced atomistic modelling approach was applied for calculations of the number of stable displacements in materials.

Acta Physica Polonica A, Aug 1, 2015

A new modified semi-empirical formula including non-elastic scattering and Coulomb effects for th... more A new modified semi-empirical formula including non-elastic scattering and Coulomb effects for the (α,n) reaction cross-section was obtained. The available experimental data were used to get the (α,n) reaction cross-section systematics. The dependence between the cross-section and asymmetry term was discussed for (α,n) reaction at 18.5 ± 3 MeV energies classifying the target nuclei into odd Z-even N and even Z-even N. The coefficients of determination (R 2) for all classifications were detected to exhibit the amount of relation between asymmetry term and cross-sections obtained from the modified semi-empirical formula with new coefficients.

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms, Nov 1, 2019

In this study, we performed Thermoluminescence (TL) experiments to extract the trapping parameter... more In this study, we performed Thermoluminescence (TL) experiments to extract the trapping parameters and dosimetric properties of Tb-doped Mg 2 SiO 4 phosphors. Glow peaks located at 193, 270, and 350°C were observed in the glow curve but the peak at 193°C was especially investigated as a dosimetric peak in this study. We also observed an anomalous heating rate effect in which the maximum TL intensity of the glow curve augmented with an increasing heating rate. The computerized glow curve deconvolution (CGCD) method, initial rise (IR) and Hoogenstraaten's method were used to determine the activation energies of associated trapping centers for both BSL-TL 365 nm and IRSL-TL wideband blue filters. The TL characteristics of this phosphor indicate that Mg 2 SiO 4 :Tb 3+ could be a promising material for dosimetric applications. Efforts should be made to improve the fading behaviour by adding other activators as co-dopants.

Radiation Physics and Chemistry, Mar 1, 2020

This is a PDF file of an article that has undergone enhancements after acceptance, such as the ad... more This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

Radiation Physics and Chemistry, Jul 1, 2019

In this paper we describe the thermoluminescence (TL) characteristics of ZnB 2 O 4 :Pr 3+ phospho... more In this paper we describe the thermoluminescence (TL) characteristics of ZnB 2 O 4 :Pr 3+ phosphors with Pr concentrations varying between 0.2 mol% and 1 mol% prepared by a wet-chemical method. The TL glow curves of the phosphor sample consisted of three peaks located at 71 °C (P1), 124 °C (P2) and 233 °C (P3). The TL intensity increased with the beta dose ranging from ∼0.1 to ∼20 Gy. Dose response, reproducibility and trapping parameters of TL glow curves were evaluated to clearly reveal thermoluminescence features. We observed that TL intensity of P2 and P3 peaks decreases as the heating rate increases. Trap parameters were estimated via the Hoogenstraaten, Booth-Bohun-Parfianovitch, the initial rise methods combined with ܶ − ܶ ௦௧ experiment and TLanal CGCD program. Heating rates were varied to use in the Hoogenstraaten analyses. The ܶ − ܶ ௦௧ investigations on regenerated TL signals for P1 and P2 peaks indicated that ZnB 2 O 4 :Pr 3+ phosphor has four electron trap levels with energy values in the range of 0.5-1.5 eV These four traps have first order kinetic and are formed at high temperature region. Resulting values are utilized as a reference for the CGCD procedure and the trapping parameters from the TL glow curves are calculated. The figure of merit (FOM) of the TL glow curve during curve fitting procedures is found to be 2.019%. The intensities of the main dosimetric peaks appeared at 124 °C and 233 °C exhibits good linear dose response up to 20 Gy. These results provide valuable knowledge for use of the characteristics of Pr doped ZnB 2 O 4 in dosimetry research, just need to eliminate low temperature TL peak.

Luminescence (thermoluminescence (TL) and optically stimulated luminescence (OSL)) methods are im... more Luminescence (thermoluminescence (TL) and optically stimulated luminescence (OSL)) methods are important for dosimetric studies. Understanding the TL and OSL traps of dosimetric materials is critical to explain their different and similar properties. In this study, TL and OSL signals of natural aragonite mineral were recorded using lexsyg smart TL/OSL reader after different beta irradiations. TL and OSL trap properties were compared with each other using the obtained TL glow curves and OSL signals. In sequential measurements, while the TL signals were observed after the OSL measurements, the OSL signals were not observed after the TL measurements. In conclusion, TL and OSL traps are located close to each other within the band gap of aragonite mineral and the OSL traps affect the TL signals if the TL measurements are done firstly.Cukurova University, FED-2017-804

EPJ Web of Conferences, 2017

Atomic displacement and gas production cross-sections were obtained for a number of materials to ... more Atomic displacement and gas production cross-sections were obtained for a number of materials to calculate radiation damage and gas production rate in nuclear-and fusion reactors, and neutron spallation sources. An advanced atomistic modelling approach was applied for calculations of the number of stable displacements in materials.

Kerntechnik, 2014

ABSTRACT

Journal of Fusion Energy, 2016

The knowledge of the cross-section is important especially for the fusion and fission reactor tec... more The knowledge of the cross-section is important especially for the fusion and fission reactor technology. In the absence of experimental data or in the difficulty of measuring data, theoretical predictions of nuclear cross-section data are needed to be improved using model calculations or semi-empirical formulas and to be compared with model and formulas to obtain sensitive approaches. In this work, for 7Li and 9Be target nuclei used as blanket materials in fusion reactors, (n,p), (n,α), (n,2n) and (α,n) reaction cross-section data have been evaluated by using some available empirical and semi-empirical cross-section formulas. The (n,p), (n,α), (n,2n) and (α,n) reaction cross-section formulas developed for medium and heavy mass nuclei by some scientist in literature are applied to 7Li and 9Be light nuclei and then results obtained from any systematics are compared with each other and the existing experimental data.

Journal of Fusion Energy, 2014

In this study, we investigated neutron-emission spectra induced by (n,xn) nuclear reactions for t... more In this study, we investigated neutron-emission spectra induced by (n,xn) nuclear reactions for the 9 Be structural fusion material at 14.2 MeV neutron energy. We calculated double-differential cross sections (d 2 r dXde) with ALICE-2011 codeor the angles of 30°, 60°, 90°, 120°, and 150°. Hybrid Monte Carlo simulation model have been used to calculate the double differential emission spectra for these different angles. The obtained results were compared with the measured data taken from EXFOR library. The results show an acceptable agreement.

Kerntechnik, 2013

Copper and cobalt radioisotopes have been used for both diagnostic and therapeutic purposes in th... more Copper and cobalt radioisotopes have been used for both diagnostic and therapeutic purposes in the field of nuclear medicine. There is considerable interest in 60 ,61,64,67Cu and 55,57Co radioisotopes for some applications like PET, SPECT imaging and targeted radiotherapy of tumors. In present study, the production of 60,61,64,67Cu and 55,57Co via 64Zn(p,α)61Cu, 67Zn(p,α)64Cu, 70Zn(p,α)67Cu, 58Ni(p,α)55Co, 60Ni(p,α)57Co, 64Zn(p,nα)6°Cu and 68Zn(p,nα)64Cu reactions have been investigated in the range of 5–40 MeV proton incident energy. The new version of the code ALICE-2011 is used to determine the excitation functions of these nuclear reactions. The calculated excitation functions were compared with experimental results and semi-empirical cross section values of a previously developed model.

Journal of Fusion Energy, 2013

Iron (Fe) and nickel (Ni) are important fusion structural materials in reactor technology. The ga... more Iron (Fe) and nickel (Ni) are important fusion structural materials in reactor technology. The gas production in the metallic structure arising from many different types of nuclear reactions has been a significant damage mechanism in structural components of fusion reactors. The hydrogen and its isotopes at high temperatures leave out of the metallic lattice but the alpha (a) particles that remain in the lattice generate helium (He) gas bubbles. In other words, the a particles can cause serious changes in the physical and mechanical properties of the fusion structural materials. In this study, the excitation functions of 54,57 Fe(p,a) and 58,60,61,64 Ni(p,a) reactions have been investigated in the incident proton energy range of 10-40 MeV to estimate the radiation damage effects on fusion structural materials used in the construction of the first walls and core of the reactor. The calculations of (p,a) reaction cross sections on 54,57 Fe and 58,60,61,64 Ni have been made by using PCROSS code and CEM95 code. The full exciton and cascade exciton model (CEM95) for preequilibrium calculations and Weisskopf-Ewing model for equilibrium calculations are used. Besides, the semiempirical cross section formula with new coefficient obtained by Tel et al. (Pramana J Phys 74:931-943, 2010) has been applied for (p,a) reactions at 17.9 MeV proton incident energy.

Applied Radiation and Isotopes

Cumhuriyet Science Journal, Dec 23, 2014

Özet. Nükleer model hesaplamaları ve mevcut deneysel dataların analizinden yararlanılarak 3 GeV'e... more Özet. Nükleer model hesaplamaları ve mevcut deneysel dataların analizinden yararlanılarak 3 GeV'e kadar protonlarla ışınlanan Pb hedefinin değerlendirilmiş p,d, t, 3 He, ve 4 He üretim tesir kesiti dataları elde edilmiştir. Gaz üretim tesir kesiti hesaplamaları intranükleer cascade model, denge-öncesi exciton model, geometri bağımlı hibrit model, Weisskopf-Ewing model, ve Hauser-Feshbach modelleri kullanan CASCADE, TALYS, ALICE/ASH kodları ile yapılmıştır. Değerlendirme KIT/INR'de geliştirilen BEKED kod paketindeki istatistiksel metodlar kullanılarak gerçekleştirilmiştir.

Radiation Physics and Chemistry, Sep 1, 2020

Abstract Bern-4M muscovite from Switzerland was investigated via X-ray diffraction (XRD), energy ... more Abstract Bern-4M muscovite from Switzerland was investigated via X-ray diffraction (XRD), energy dispersive spectrometer (EDS) and thermoluminescence (TL). Muscovite has the theoretical formula KAl2(AlSi3O10)(FOH)2, or (KF)2(Al2O3)3(SiO2)6(H2O). Chemical analysis of the muscovite sample was carried out using EDS for major oxides. The results indicate that muscovite includes oxygen (59.1%), silicon (18.86%), and aluminum (15.22%) as major elements and contains low concentrations of potassium, magnesium, and sodium. In standard muscovites potassium use to be 10% and oxygen 47%, probably the sample was strongly lixiviated before the analysis. The thermoluminescence spectrum exhibits a wide glow peak located at 250 °C with a shoulder peak at high temperature region. Trap depth and frequency factor were calculated using Hoogenstraaten's method and found to be 1.16 eV and 1.4 × 1010 s−1, respectively. Reproducibility test indicated that the values within ±5% were obtained after 15 cycles. The storage time experiments were performed for different time periods up to 1 week for dark fading.

Kerntechnik, Dec 19, 2013

Copper and cobalt radioisotopes have been used for both diagnostic and therapeutic purposes in th... more Copper and cobalt radioisotopes have been used for both diagnostic and therapeutic purposes in the field of nuclear medicine. There is considerable interest in 60 ,61,64,67Cu and 55,57Co radioisotopes for some applications like PET, SPECT imaging and targeted radiotherapy of tumors. In present study, the production of 60,61,64,67Cu and 55,57Co via 64Zn(p,α)61Cu, 67Zn(p,α)64Cu, 70Zn(p,α)67Cu, 58Ni(p,α)55Co, 60Ni(p,α)57Co, 64Zn(p,nα)6°Cu and 68Zn(p,nα)64Cu reactions have been investigated in the range of 5–40 MeV proton incident energy. The new version of the code ALICE-2011 is used to determine the excitation functions of these nuclear reactions. The calculated excitation functions were compared with experimental results and semi-empirical cross section values of a previously developed model.

Kerntechnik, Dec 18, 2014

ABSTRACT

Applied Radiation and Isotopes, Nov 1, 2018

• CL and TL properties of gem-quality diaspore samples were determined after 100 h of UVC exposur... more • CL and TL properties of gem-quality diaspore samples were determined after 100 h of UVC exposure. • The UVC exposure induces significant changes in the intensity of the CL. • The 100 h UVC-irradiated and as received samples display three maxima. • The physical trapping parameters were estimated by using GCA program.

Epj Web of Conferences, 2017

Atomic displacement and gas production cross-sections were obtained for a number of materials to ... more Atomic displacement and gas production cross-sections were obtained for a number of materials to calculate radiation damage and gas production rate in nuclear-and fusion reactors, and neutron spallation sources. An advanced atomistic modelling approach was applied for calculations of the number of stable displacements in materials.

Acta Physica Polonica A, Aug 1, 2015

A new modified semi-empirical formula including non-elastic scattering and Coulomb effects for th... more A new modified semi-empirical formula including non-elastic scattering and Coulomb effects for the (α,n) reaction cross-section was obtained. The available experimental data were used to get the (α,n) reaction cross-section systematics. The dependence between the cross-section and asymmetry term was discussed for (α,n) reaction at 18.5 ± 3 MeV energies classifying the target nuclei into odd Z-even N and even Z-even N. The coefficients of determination (R 2) for all classifications were detected to exhibit the amount of relation between asymmetry term and cross-sections obtained from the modified semi-empirical formula with new coefficients.

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms, Nov 1, 2019

In this study, we performed Thermoluminescence (TL) experiments to extract the trapping parameter... more In this study, we performed Thermoluminescence (TL) experiments to extract the trapping parameters and dosimetric properties of Tb-doped Mg 2 SiO 4 phosphors. Glow peaks located at 193, 270, and 350°C were observed in the glow curve but the peak at 193°C was especially investigated as a dosimetric peak in this study. We also observed an anomalous heating rate effect in which the maximum TL intensity of the glow curve augmented with an increasing heating rate. The computerized glow curve deconvolution (CGCD) method, initial rise (IR) and Hoogenstraaten's method were used to determine the activation energies of associated trapping centers for both BSL-TL 365 nm and IRSL-TL wideband blue filters. The TL characteristics of this phosphor indicate that Mg 2 SiO 4 :Tb 3+ could be a promising material for dosimetric applications. Efforts should be made to improve the fading behaviour by adding other activators as co-dopants.

Radiation Physics and Chemistry, Mar 1, 2020

This is a PDF file of an article that has undergone enhancements after acceptance, such as the ad... more This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

Radiation Physics and Chemistry, Jul 1, 2019

In this paper we describe the thermoluminescence (TL) characteristics of ZnB 2 O 4 :Pr 3+ phospho... more In this paper we describe the thermoluminescence (TL) characteristics of ZnB 2 O 4 :Pr 3+ phosphors with Pr concentrations varying between 0.2 mol% and 1 mol% prepared by a wet-chemical method. The TL glow curves of the phosphor sample consisted of three peaks located at 71 °C (P1), 124 °C (P2) and 233 °C (P3). The TL intensity increased with the beta dose ranging from ∼0.1 to ∼20 Gy. Dose response, reproducibility and trapping parameters of TL glow curves were evaluated to clearly reveal thermoluminescence features. We observed that TL intensity of P2 and P3 peaks decreases as the heating rate increases. Trap parameters were estimated via the Hoogenstraaten, Booth-Bohun-Parfianovitch, the initial rise methods combined with ܶ − ܶ ௦௧ experiment and TLanal CGCD program. Heating rates were varied to use in the Hoogenstraaten analyses. The ܶ − ܶ ௦௧ investigations on regenerated TL signals for P1 and P2 peaks indicated that ZnB 2 O 4 :Pr 3+ phosphor has four electron trap levels with energy values in the range of 0.5-1.5 eV These four traps have first order kinetic and are formed at high temperature region. Resulting values are utilized as a reference for the CGCD procedure and the trapping parameters from the TL glow curves are calculated. The figure of merit (FOM) of the TL glow curve during curve fitting procedures is found to be 2.019%. The intensities of the main dosimetric peaks appeared at 124 °C and 233 °C exhibits good linear dose response up to 20 Gy. These results provide valuable knowledge for use of the characteristics of Pr doped ZnB 2 O 4 in dosimetry research, just need to eliminate low temperature TL peak.

Luminescence (thermoluminescence (TL) and optically stimulated luminescence (OSL)) methods are im... more Luminescence (thermoluminescence (TL) and optically stimulated luminescence (OSL)) methods are important for dosimetric studies. Understanding the TL and OSL traps of dosimetric materials is critical to explain their different and similar properties. In this study, TL and OSL signals of natural aragonite mineral were recorded using lexsyg smart TL/OSL reader after different beta irradiations. TL and OSL trap properties were compared with each other using the obtained TL glow curves and OSL signals. In sequential measurements, while the TL signals were observed after the OSL measurements, the OSL signals were not observed after the TL measurements. In conclusion, TL and OSL traps are located close to each other within the band gap of aragonite mineral and the OSL traps affect the TL signals if the TL measurements are done firstly.Cukurova University, FED-2017-804

EPJ Web of Conferences, 2017

Atomic displacement and gas production cross-sections were obtained for a number of materials to ... more Atomic displacement and gas production cross-sections were obtained for a number of materials to calculate radiation damage and gas production rate in nuclear-and fusion reactors, and neutron spallation sources. An advanced atomistic modelling approach was applied for calculations of the number of stable displacements in materials.

Kerntechnik, 2014

ABSTRACT

Journal of Fusion Energy, 2016

The knowledge of the cross-section is important especially for the fusion and fission reactor tec... more The knowledge of the cross-section is important especially for the fusion and fission reactor technology. In the absence of experimental data or in the difficulty of measuring data, theoretical predictions of nuclear cross-section data are needed to be improved using model calculations or semi-empirical formulas and to be compared with model and formulas to obtain sensitive approaches. In this work, for 7Li and 9Be target nuclei used as blanket materials in fusion reactors, (n,p), (n,α), (n,2n) and (α,n) reaction cross-section data have been evaluated by using some available empirical and semi-empirical cross-section formulas. The (n,p), (n,α), (n,2n) and (α,n) reaction cross-section formulas developed for medium and heavy mass nuclei by some scientist in literature are applied to 7Li and 9Be light nuclei and then results obtained from any systematics are compared with each other and the existing experimental data.

Journal of Fusion Energy, 2014

In this study, we investigated neutron-emission spectra induced by (n,xn) nuclear reactions for t... more In this study, we investigated neutron-emission spectra induced by (n,xn) nuclear reactions for the 9 Be structural fusion material at 14.2 MeV neutron energy. We calculated double-differential cross sections (d 2 r dXde) with ALICE-2011 codeor the angles of 30°, 60°, 90°, 120°, and 150°. Hybrid Monte Carlo simulation model have been used to calculate the double differential emission spectra for these different angles. The obtained results were compared with the measured data taken from EXFOR library. The results show an acceptable agreement.

Kerntechnik, 2013

Copper and cobalt radioisotopes have been used for both diagnostic and therapeutic purposes in th... more Copper and cobalt radioisotopes have been used for both diagnostic and therapeutic purposes in the field of nuclear medicine. There is considerable interest in 60 ,61,64,67Cu and 55,57Co radioisotopes for some applications like PET, SPECT imaging and targeted radiotherapy of tumors. In present study, the production of 60,61,64,67Cu and 55,57Co via 64Zn(p,α)61Cu, 67Zn(p,α)64Cu, 70Zn(p,α)67Cu, 58Ni(p,α)55Co, 60Ni(p,α)57Co, 64Zn(p,nα)6°Cu and 68Zn(p,nα)64Cu reactions have been investigated in the range of 5–40 MeV proton incident energy. The new version of the code ALICE-2011 is used to determine the excitation functions of these nuclear reactions. The calculated excitation functions were compared with experimental results and semi-empirical cross section values of a previously developed model.

Journal of Fusion Energy, 2013

Iron (Fe) and nickel (Ni) are important fusion structural materials in reactor technology. The ga... more Iron (Fe) and nickel (Ni) are important fusion structural materials in reactor technology. The gas production in the metallic structure arising from many different types of nuclear reactions has been a significant damage mechanism in structural components of fusion reactors. The hydrogen and its isotopes at high temperatures leave out of the metallic lattice but the alpha (a) particles that remain in the lattice generate helium (He) gas bubbles. In other words, the a particles can cause serious changes in the physical and mechanical properties of the fusion structural materials. In this study, the excitation functions of 54,57 Fe(p,a) and 58,60,61,64 Ni(p,a) reactions have been investigated in the incident proton energy range of 10-40 MeV to estimate the radiation damage effects on fusion structural materials used in the construction of the first walls and core of the reactor. The calculations of (p,a) reaction cross sections on 54,57 Fe and 58,60,61,64 Ni have been made by using PCROSS code and CEM95 code. The full exciton and cascade exciton model (CEM95) for preequilibrium calculations and Weisskopf-Ewing model for equilibrium calculations are used. Besides, the semiempirical cross section formula with new coefficient obtained by Tel et al. (Pramana J Phys 74:931-943, 2010) has been applied for (p,a) reactions at 17.9 MeV proton incident energy.

Applied Radiation and Isotopes