Pulsed neutron fields measurements around a synchrotron storage ring

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Dokumenter

DOI

  • Marco Caresana, Politecn Milan, Polytechnic University of Milan, Dept Energy
  • ,
  • Marcello Ballerini, Else Nucl Srl
  • ,
  • David Garf Ulfbeck, Natl Inst Radiat Protect
  • ,
  • Niels Hertel
  • Giacomo Paolo Manessi, Else Nucl Srl
  • ,
  • Carsten Sogaard, Univ Copenhagen, Niels Bohr Institute, University of Copenhagen, Niels Bohr Inst, eSci Grp

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.

OriginalsprogEngelsk
TidsskriftE P J Web of Conferences
Vol/bind153
Antal sider6
ISSN2100-014X
DOI
StatusUdgivet - 2017
Begivenhed13th International Conference on Radiation Shielding (ICRS) / 19th Topical Meeting of the Radiation-Protection-and-Shielding-Division-of-the-American-Nuclear-Society (RPSD) - Paris, Frankrig
Varighed: 3 okt. 20166 okt. 2016

Konference

Konference13th International Conference on Radiation Shielding (ICRS) / 19th Topical Meeting of the Radiation-Protection-and-Shielding-Division-of-the-American-Nuclear-Society (RPSD)
LandFrankrig
ByParis
Periode03/10/201606/10/2016

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