I. V. Kalinin, V. M. Morozov, A. G. Novikov, A. V. Puchkov, V. V. Savostin, V. V. Sudarev, A. P. Bulkin, S. I. Kalinin, V. M. Pusenkov, V. A. Ul'yanov, “Characteristics of the DIN-2PI spectrometer with a neutron concentrator”, Zhurnal Tekhnicheskoi Fiziki, 2014, Volume 84, Issue 2,Pages <nobr>155

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Brief Communications

Characteristics of the DIN-2PI spectrometer with a neutron concentrator

I. V. Kalinin^a, V. M. Morozov^a, A. G. Novikov^a, A. V. Puchkov^a, V. V. Savostin^a, V. V. Sudarev^a, A. P. Bulkin^b, S. I. Kalinin^b, V. M. Pusenkov^b, V. A. Ul'yanov^b

^a Institute for Physics and Power Engineering named after A. I. Leypunsky, Obninsk, Kaluga region
^b The Petersburg Nuclear Physics Institute, The National Research Center "Kurchatov Institute"

Abstract: The basic characteristics of the upgraded DIN-2PI spectrometer are reported. Based on experimental data and numerical calculation results, it is concluded that a supermirror neutron concentrator, with which the DIN-2PI spectrometer is equipped, raises the density of the cold neutron flux at the sample almost by an order of magnitude. The use of a grooved moderator in channel no. 2 and upgrading of the core of the IBR-2M reactor increases the neutron flux density on the sample by about 40% more.

Received: 17.07.2013