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Thermal neutrons at Gran Sasso

✍ Scribed by Z. Dębicki; K. Jędrzejczak; J. Karczmarczyk; M. Kasztelan; R. Lewandowski; J. Orzechowski; J. Szabelski; M. Szeptycka; P. Tokarski


Book ID
103868816
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
611 KB
Volume
196
Category
Article
ISSN
0920-5632

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✦ Synopsis


We have used a set of proportional counters filled with 3 He to measure the thermal neutron background flux in the deep underground Gran Sasso National Laboratory (LNGS). The flux was equal to (5.4±1.3)×10 -7 neutrons/(cm 2 s). During one week's exposure we registered about 650 neutron signals above about 160 background signals, so using this method we would be able to measure 10 times smaller neutron flux.


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