Experimental setup for elemental analysis using prompt gamma rays at research reactor IBR-2

Hramco C.; Turlybekuly K.; Borzakov S.B.; Gundorin N.A.; Lychagin E.V.; Nehaev G.V.; Muzychka A. Yu; Strelkov A.V.; Teymurov E.

doi:10.1016/j.net.2022.02.022

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자료유형: 학술저널

저자정보: Hramco C. (Frank Laboratory of Neutron Physics (FLNP), Joint Institute for Nuclear Research (JINR)) Turlybekuly K. (Frank Laboratory of Neutron Physics (FLNP), Joint Institute for Nuclear Research (JINR)) Borzakov S.B. (Frank Laboratory of Neutron Physics (FLNP), Joint Institute for Nuclear Research (JINR)) Gundorin N.A. (Frank Laboratory of Neutron Physics (FLNP), Joint Institute for Nuclear Research (JINR)) Lychagin E.V. (Frank Laboratory of Neutron Physics (FLNP), Joint Institute for Nuclear Research (JINR)) Nehaev G.V. (Frank Laboratory of Neutron Physics (FLNP), Joint Institute for Nuclear Research (JINR)) Muzychka A. Yu (Frank Laboratory of Neutron Physics (FLNP), Joint Institute for Nuclear Research (JINR)) Strelkov A.V. (Frank Laboratory of Neutron Physics (FLNP), Joint Institute for Nuclear Research (JINR)) Teymurov E. (Frank Laboratory of Neutron Physics (FLNP), Joint Institute for Nuclear Research (JINR))

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제54권 제8호

발행연도: 2022.8

수록면: 2,999 - 3,005 (7page)

DOI: 10.1016/j.net.2022.02.022

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The new experimental setup has been built at the 11b channel of the IBR-2 research reactor at FLNP, JINR, to study the elemental composition of samples by registration of prompt gamma emission during thermal neutron capture. The setup consists of a curved mirror neutron guide and a radiation-resistant HPGe high-purity germanium detector. The detector is surrounded by lead shielding to suppress the natural background gamma level. The sample is placed in a vacuum channel and surrounded by a LiF shield to suppress the gamma background generated by scattered neutrons. This work presents characteristics of the experimental setup. An example of hydrogen concentration determining in a diamond powder made by detonation synthesis is given and on its basis, the sensitivity of the setup is calculated being ~4 mg.

#Prompt gamma #Neutron activation analysis #Elemental analysis #IBR-2 FLNP JINR #Hydrogen content #Diamond powder

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