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Excitation functions of proton induced nuclear reactions on  nat Se leading to the formation of the radionuclides  82,80m,77,76,75 Br,  75,73 Se and  77,76,72,71 As were measured from their respective thresholds up to 62 MeV. The selenium targets were prepared by vacuum deposition onto thin Al-backings. For the cross section measurements the conventional stacked-foil technique was used. Irradiations were performed at the AVF 930 cyclotron of the National Institute of Radiological Sciences in Chiba, Japan. Our results were compared with the available data in the literature, and some of the literature data obtained using isotopically enriched targets were used to validate our data. The experimental data sets generally showed good agreement. Integral yields of   75 Br,   76 Br,   77 Br,  80m Br and   82 Br were derived from the measured cross section data. The yield of  80m Br is quite high but, due to associated radionuclidic impurities, it is not meaningful to produce  80m Br using  nat Se as target material.

Excitation functions of proton induced reactions on natural selenium up to 62 MeV