ISSN:1044-8632    

DOI:10.1080/10448639708231951

出版商:Taylor & Francis Group    

年代:1997

数据来源: Taylor

ISSN:1044-8632    

DOI:10.1080/10448639708231952

出版商:Taylor & Francis Group    

年代:1997

数据来源: Taylor

ISSN:1044-8632    

DOI:10.1080/10448639708231953

出版商:Taylor & Francis Group    

年代:1997

数据来源: Taylor

ISSN:1044-8632    

DOI:10.1080/10448639708231954

出版商:Taylor & Francis Group    

年代:1997

数据来源: Taylor

ISSN:1044-8632    

DOI:10.1080/10448639708231955

出版商:Taylor & Francis Group    

年代:1997

数据来源: Taylor

ISSN:1044-8632    

DOI:10.1080/10448639708231956

出版商:Taylor & Francis Group    

年代:1997

数据来源: Taylor

ISSN:1044-8632    

DOI:10.1080/10448639708231957

出版商:Taylor & Francis Group    

年代:1997

数据来源: Taylor

摘要:

The steady-state research reactor IR-8 is located in Moscow. It started its operation in 1957 and was one of the first research reactors of the water-water type in the territory of the former Soviet Union. Initially it had thermal power of the order of 1 MW and, after modifications, the nominal power has been increased to 8 MW with the neutron flux in the reactor core of 2.1Ol4 ncm-2sec. The IR-8 reactor is used for the experimental investigations in nuclear physics and in solid state physics in traditional directions for the Russian Research Centre Kurchatov Institute (formerly the I.V. Kurchatov Institute of Atomic Energy). Research is performed on 12 horizontal beams: ten straight channels, one tangential, and one curved channel, all coming from the lightwater moderator. A general view of the experimental hall of the IR-8 reactor is shown in Figure 1. While the main part of this report deals with the solid state physics instruments and research, we will first briefly describe the nuclear physics activity at the reactor.

ISSN:1044-8632    

DOI:10.1080/10448639708231958

出版商:Taylor & Francis Group    

年代:1997

数据来源: Taylor

摘要:

The FRJ-2 in Julich was put into operation on November 14, 1962. The DIDO-class research reactor serves as a neutron source to study the structure of matter and for materials research. A cold source with a helium liquefaction plant is available for the experimental facilities. The hot cells at the site offer possibilities of post-irradiation examination, damage determination, and repair to radioactive components. The FRJ-2 was refurbished from 1991 to 1994 and again went into operation at the beginning of 1995.

ISSN:1044-8632    

DOI:10.1080/10448639708231959

出版商:Taylor & Francis Group    

年代:1997

数据来源: Taylor

摘要:

The neutron spin echo technique uses the neutron spin as an indicator of the individual velocity change the neutron suffered when it was scattered by the sample. Due to this trick, the instruments accepts a broad wavelength band and at the same time are sensitive to velocity changes down to lo. However, the information carried by the spins can only be retrieved modulo any integer number of spin precessions as intensity modulation proportional to the cosine of a precession angle difference. The measured signal is the cosine transform I(Q, 2) of the scattering function S(Q, a). All spin manipulation serve to establish this special type of velocity analysis [1].

ISSN:1044-8632    

DOI:10.1080/10448639708231960

出版商:Taylor & Francis Group    

年代:1997

数据来源: Taylor