Study of the isomeric ratios in photonuclear reactions of natural indium induced by bremsstrahlungs with end-point energies in the giant dipole resonance region

Autor:	Tran Duc Thiep, Truong Thi An, Phan Viet Cuong, Nguyen The Vinh, A. G. Belov, O. D. Maslov, G. Ya. Starodub, B. N. Markov
Rok vydání:	2013
Předmět:	Physics Nuclear reaction Nuclear and High Energy Physics Radiation Gamma ray Bremsstrahlung Resonance chemistry.chemical_element Atomic and Molecular Physics and Optics Semiconductor detector Nuclear physics Dipole chemistry Radiology Nuclear Medicine and imaging Atomic physics Microtron Indium
Zdroj:	Physics of Particles and Nuclei Letters. 10:340-348
ISSN:	1531-8567 1547-4771
DOI:	10.1134/s1547477113040134
Popis:	We have determined the isomeric ratios in 113In(γ, n)112m,g In and 113In(γ, 2n)111m,g In photonuclear reactions of natural indium induced by bremsstrahlungs with end-point energies in the giant dipole resonance (GDR) region. The investigated samples were irradiated at the electron accelerator Microtron MT-25 of the Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna. The gamma spectra of the samples irradiated were measured with a spectroscopic system consisting of an 8192-channel analyzer and a high-energy resolution (180 keV at gamma ray 1332 keV of 60Co) HP(Ge) semiconductor detector Canberra. The GENIE2000 (Canberra) computer program was used for data processing. The results were discussed and compared with those of other authors. For both the mentioned reactions, the isomeric ratios in the bremsstrahlung energy range from 19 to 24 MeV in this work are new measurements.
Databáze:	OpenAIRE
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