EPJ Web Conf.
Volume 153, 2017ICRS-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
|Number of page(s)||6|
|Section||1. Nuclear Data, Radiation Detection, Measurements & Dosimetry|
|Published online||25 September 2017|
Pulsed neutron fields measurements around a synchrotron storage ring
1 Politecnico di Milano, Department of Energy, Via Lambruschini 4, 20156 Milan, Italy
2 Else Nuclear srl, Via Tito Vignoli 44, 20146 Milan, Italy
3 Department of Physics and Astronomy, Institute for Storage Ring Facilities, 8000 Aarhus, Denmark
4 National Institute for Radiation Protection, 2300 Copenhagen, Denmark
5 eScience group, Niels Bohr Institute, University of Copenhagen, Denmark
* Corresponding author: firstname.lastname@example.org
Published online: 25 September 2017
A measurement campaign was performed for characterizing the neutron ambient dose equivalent, H*(10), in selected positions at ISA, Aarhus, Denmark, around the ASTRID and ASTRID2 storage rings. The neutron stray radiation field is characterized here by very intense radiation bursts with a low repetition rate, which result in a comparatively low average H*(10) rate. As a consequence, devices specifically conceived for operating in pulsed neutron fields must be employed for efficiently measuring in this radiation environment, in order to avoid severe underestimations of the H*(10) rate. The measurements were performed with the ELSE NUCLEAR LUPIN 5401 BF3-NP rem counter, a detector characterized by an innovative working principle that is not affected by dead time losses. This allowed characterizing both the H*(10) and the time structure of the radiation field in the pre-selected positions.
© The Authors, published by EDP Sciences, 2017
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