title: Evaluation of excitation functions of 100Mo(p,d+pn)99Mo and 100Mo (p,2n)99mTc reactions: Estimation of long-lived Tc-impurity and its implication on the specific activity of cyclotron-produced (99m)Tc.
abstract: Excitation functions were calculated by the code TALYS for 10 proton-induced reactions on (100)Mo. For (100)Mo(p,d+pn)(99)Mo and (100)Mo(p,2n)(99m)Tc, calculations were also performed using the code STAPRE. Furthermore, for those two reactions and (nat)Mo(p,x)(96)Tc, evaluation of available experimental data was also carried out. The production of (99m)Tc via the (100)Mo(p,2n)-process is discussed. The ratio of atoms of long-lived (99g)Tc and (98)Tc to those of (99m)Tc is appreciably higher in cyclotron production than in generator production of (99m)Tc; this may adversely affect the preparation of (99m)Tc-chelates.
authors.affiliation: Institut für Neurowissenschaften und Medizin, INM-5, Nuklearchemie, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany. Electronic address: s.m.qaim@fz-juelich.de.
authors.forename: S M
authors.initials: SM
authors.lastname: Qaim
authors.affiliation: Institut für Neurowissenschaften und Medizin, INM-5, Nuklearchemie, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany; Institute of Experimental Physics, Debrecen University, Bem tér 18/a, 4026 Debrecen, Hungary.
authors.forename: S
authors.initials: S
authors.lastname: Sudár
authors.affiliation: Institut für Neurowissenschaften und Medizin, INM-5, Nuklearchemie, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany.
authors.forename: B
authors.initials: B
authors.lastname: Scholten
authors.affiliation: Nuclear Research and Consultancy Group, Westerduinweg 3, 1755 ZG Petten, The Netherlands.
authors.forename: A J
authors.initials: AJ
authors.lastname: Koning
authors.affiliation: Institut für Neurowissenschaften und Medizin, INM-5, Nuklearchemie, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany.
authors.forename: H H
authors.initials: HH
authors.lastname: Coenen
keywords: (99g)Tc and (98)Tc impurities; Enriched (100)Mo target; Nuclear model calculation; Production of (99m)Tc; Proton irradiation; TALYS and STAPRE