Contrôleur spectral de neutrons

Galerie et schémas techniques

Description

Caractéristiques

• Détecteurs robustes et économique à l’hélium 4
• Carte d’acquisition rapide
• Logiciel et ordinateur inclus

Spécifications techniques

Width

23 cm, Weight: ~15 kg

Length

35 cm, Height: 23 cm,

Laptop,

LenovoTM with Ubuntu 12.04, running

Figure 1

A full system of two fast neutron detectors with

Figure 2

The Time of Flight (TOF) spectra of an AmBe source at

Software

N-Monitor software

DREAM B-8

489 mm

Détecteurs

71cm*5.2cm

Arktis 4He Length

71 cm, Diameter: 5.2 cm

Arktis Wave- Width

270 mm, Height: 60 mm, Length:

Q Low background operation

Q Time-of-Flight measurements with TTL external trigger

@M@KXYHMFE@RSMDTSQNMkTWDR

underground physics environments

Detector 19 cm length, Weight

6 kg

Fast Neutron Sensitive Volume

4.4 cm diameter x

Arktis Radiation Detectors Ltd

For additional information contact:

Q 1HXWURQVRXUFHLGHQWLĺFDWLRQ

Q Suited for fast neutron dosimetry, combined with gamma

4 Digitizer Maximum cable length to detectors

25 m

Räffelstrasse 11, 8045 Zürich, Switzerland Europe

Mario Vögeli, [email protected], +41 44 559 11 11

[email protected], www.arktis-detectors.com USA

Rick Muntz, [email protected], +1 610 827 7113

Q 1HXWURQUDWHDERYHDJLYHQFRQĺJXUDEOHHQHUJ\WKUHVKROG

dosimetry

The Neutron Spectral Monitor can perform both isotropic as

[1] D. Murer et al. 2011 He-4 detectors for mixed oxide (MOX) fuel measure-

measurements are made possible by the supplied polyethylene

SORMA WEST 2012. 5P-24

Q 'LUHFWLRQDODQGLVRWURSLFPHDVXUHPHQWVRIIDVWQHXWURQĻX[HV

spectral unfolding

ZHOODVGLUHFWLRQDOIDVWQHXWURQĻX[PHDVXUHPHQWV'LUHFWLRQDO

[2] U. Gendotti et al. 2012 Active SNM detection with He-4 scintillators,

neutron count rates and study the response spectra. The software

2ODBHkB@SHNMR

QHXWURQVRUPRQLWRUĺVVLRQPXOWLSOLFLWLHV8VHUVFDQDFFHVVWKH

Polyethylene

PHDVXUHPHQWGDWDWRSHUIRUPVSHFWUDOXQIROGLQJDQGIXUWKHURIĻLQH

Collimator

time correlation and identify correlated effects such as ship effect

8 cm Thick

Applications

• Contrôle et mesure du bruit de fond neutronique
• Mesure des taux de neutrons rapides
• Mesure en corrélation temporelle pour identifier le bruit cosmique
• Mesure des temps de vol