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1.
Appl Radiat Isot ; 206: 111221, 2024 Apr.
Article in English | MEDLINE | ID: mdl-38310690

ABSTRACT

Production cross sections of medical radionuclides 111In, 110mIn and 109Cd were investigated in the α-particle-induced reactions on natural silver up to 50 MeV. The stacked-foil activation technique and γ-ray spectrometry were used to determine the cross sections. The excitation functions of byproducts 104g,105,106m,110mAg, 107,111mCd and 107g,108g,108m,109,110gIn were also determined. Physical yields of 111In, 110mIn and 109Cd were deduced based on the measured cross sections.

2.
Appl Radiat Isot ; 192: 110621, 2023 Feb.
Article in English | MEDLINE | ID: mdl-36543071

ABSTRACT

Activation cross sections of proton-induced reactions on natural platinum were measured. The stacked-foil activation technique and high-resolution gamma-ray spectrometry were used. The production cross sections of 198, 196, 196m2, 195, 194, 193, 192, 191Au, 191Pt, and 192, 190Ir were determined up to 30 MeV. The experimental results were compared with previous experimental data and theoretical calculations in the TENDL-2019 library.


Subject(s)
Platinum , Protons
3.
Appl Radiat Isot ; 187: 110345, 2022 Sep.
Article in English | MEDLINE | ID: mdl-35779307

ABSTRACT

Production cross sections of 153,145Sm via alpha-particle-induced reactions on natNd were measured up to 23 MeV. The stacked-foil activation technique and high-resolution gamma-ray spectrometry were adopted for the measurement. The obtained cross sections were compared with the literature data and the TENDL-2019 and TENDL-2021 values. Physical thick target yields of the two radionuclides were derived from the measured cross sections.


Subject(s)
Neodymium , Radioisotopes , Alpha Particles/adverse effects , Radioisotopes/chemistry , Samarium/chemistry
4.
Appl Radiat Isot ; 184: 110204, 2022 Jun.
Article in English | MEDLINE | ID: mdl-35349889

ABSTRACT

Activation cross sections of alpha-particle-induced reactions on natural vanadium were measured. The production cross sections of 54, 52gMn, 51Cr, 48V, and 47, 46gSc were determined up to 50 MeV. The stacked-foil activation technique and high-resolution gamma-ray spectrometry were used. The experimental results were compared with previous experimental data and theoretical calculations in the TENDL-2019 library. The physical yield of the medical radionuclide 52gMn was derived from the measured cross sections.


Subject(s)
Alpha Particles , Vanadium , Alpha Particles/adverse effects , Radioisotopes/chemistry , Spectrometry, Gamma
5.
Appl Radiat Isot ; 176: 109826, 2021 Oct.
Article in English | MEDLINE | ID: mdl-34147848

ABSTRACT

Excitation functions of alpha-particle induced reactions on natNd up to 50 MeV were measured at the RIKEN AVF cyclotron. To derive cross sections activation method, stacked target technique and gamma-ray spectrometry were adopted. Formations of 153,145Sm, 151,150,149,148m,148g,144,143Pm, and 149,147Nd were investigated. The results were compared with the previous experimental data and the TENDL-2019 data. Discrepancies among most of them were found.

6.
Appl Radiat Isot ; 168: 109448, 2021 Feb.
Article in English | MEDLINE | ID: mdl-33339701

ABSTRACT

Activation cross sections of the medically interesting radionuclide 45Ti were investigated in the deuteron-induced reaction on 45Sc. 45Ti can be produced in a radioactive-contamination-free form in the 45Sc(d,2n)45Ti reaction below 15 MeV deuteron energy. The stacked foil activation technique and γ-ray spectrometry were used to determine the cross sections. The physical yield of 45Ti was deduced from the measured cross sections.


Subject(s)
Radioisotopes/chemistry , Scandium/chemistry , Titanium/chemistry , Deuterium/chemistry , Radiopharmaceuticals/chemistry
7.
Appl Radiat Isot ; 159: 109095, 2020 May.
Article in English | MEDLINE | ID: mdl-32250769

ABSTRACT

Activation cross sections of the deuteron-induced reactions on natural zinc are studied for the production of the medical radionuclide 68Ga. The stacked foil activation method and the γ-ray spectrometry were used. Co-produced radionuclides 65,66,67Ga, 63,65,69mZn, 61Cu, and 58Co are also investigated to evaluate amounts of impurities for practical use of 68Ga. Physical yields of the radionuclides were deduced from the measured cross sections.

8.
Appl Radiat Isot ; 154: 108874, 2019 Dec.
Article in English | MEDLINE | ID: mdl-31470189

ABSTRACT

Activation cross sections of alpha-induced reactions on natural erbium were measured using a 50.9-MeV alpha-beam at the RIKEN AVF cyclotron. Well-established methods for the measurements, the stacked-foil activation technique and gamma-ray spectrometry, were used. Production cross sections of 166,169Yb and 165,166,167,168,170,173Tm were determined. This is the first measurement of the cross sections of 166,170Tm. The integral yield of the medical radionuclide 169Yb was derived from the measured excitation function.

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