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Measurement of the Neutron Capture Cross-section on Argon by Fischer, V.; Pagani, L.; Pickard, L.; Couture, A.; Gardiner, S.; Grant, C.; He, J.; Johnson, T.; Pantic, E.; Prokop, C.; Svoboda, R.; Ullmann, J.; Wang, J. is a scholarly article available to read on EtoBox.

What is Measurement of the Neutron Capture Cross-section on Argon about?

The use of argon as a detection and shielding medium for neutrino and dark matter experiments has made the precise knowledge of the cross section for neutron capture on argon an important design and operational parameter. Since previous measurements were averaged over thermal spectra and have significant disagreements, a differential measurement has been performed using a Time-Of-Flight neutron beam and a $\sim$4$\pi$ gamma spectrometer. A fit to the differential cross section from $0.015-0.15$\,eV, assuming a $1/v$ energy dependence, yields $\sigma^{2200} = 673 \pm 26 \text{ (stat.)} \pm 59 \text{ (sys.)}$\,mb.

Author

Fischer, V.; Pagani, L.; Pickard, L.; Couture, A.; Gardiner, S.; Grant, C.; He, J.; Johnson, T.; Pantic, E.; Prokop, C.; Svoboda, R.; Ullmann, J.; Wang, J.

Published

2019

Language

EN