| Issue |
EPJ Web Conf.
Volume 153, 2017
ICRS-13 & RPSD-2016, 13th International Conference on Radiation Shielding & 19th Topical Meeting of the Radiation Protection and Shielding Division of the American Nuclear Society - 2016
|
|
|---|---|---|
| Article Number | 08017 | |
| Number of page(s) | 6 | |
| Section | 8. Special Sessions | |
| DOI | https://doi.org/10.1051/epjconf/201715308017 | |
| Published online | 25 September 2017 | |
https://doi.org/10.1051/epjconf/201715308017
Calibration of the radiation monitors from DESY and SPring-8 at the quasi-mono-energetic neutron beams using 100 and 300 MeV 7Li(p,n) reaction at RCNP in Osaka Japan in November 2014
1 Deutsches Elektronen-Synchrotron, Notkestr. 85, 22607 Hamburg, Germany
2 SPring-8/RIKEN, Sayo, Hyogo 679-5148, Japan
3 formerly Berthold Technologies, Calmbacher Str. 22, 75323 Bad Wildbad, Germany
* Corresponding author: Albrecht.Leuschner@desy.de
Published online: 25 September 2017
At the ring cyclotron facility of the Research Center for Nuclear Physics (RCNP) Osaka University, Osaka, Japan a series of measurement campaigns had been continued with quasi mono-energetic neutron beams in November 2014. A 7Li target was bombarded with 100 and 300 MeV protons and the generated neutron beams were directed into a long time-of-flight tunnel at 0 and 25 degrees deflection angle with respect to the proton beam. At a distance of 41 m the cross section of the neutron beam was large enough for the illumination of square meter sized objects like extended range rem-counters. The research institutes SPring-8/RIKEN, Japan, and DESY, Germany, participated in this campaign for the calibration of 4 different types of active ambient dose rate monitors: LB 6411, LB 6411-Pb, LB 6419 and LB 6420. The measurements of their responses are reported and compared with the calculated values.
© The Authors, published by EDP Sciences, 2017
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