Measurement of the neutron capture cross-section on argon
Feb 1, 2019
5 pages
Published in:
- Phys.Rev.D 99 (2019) 10, 103021
- Published: May 29, 2019
e-Print:
- 1902.00596 [nucl-ex]
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Abstract: (APS)
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 ∼4π gamma spectrometer. A fit to the differential cross section from 0.015–0.15 eV, assuming a 1/v energy dependence, yields σ2200=673±26(stat)±59(sys) mb.Note:
- 5 pages, 4 figures; final version of the paper; added details and fix references
- Astrophysics and astroparticle physics
- n: capture
- n: time-of-flight
- n: beam
- spectrum: thermal
- experimental results
- differential cross section
- energy dependence
- spectrometer
- dark matter
References(0)
Figures(4)
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