The accuracy of the pulse height weighting technique for the determination of neutron capture cross-sections is investigated. The technique is applied to measurements performed with C6D6 liquid scintillation detectors of two different types using capture samples of various dimensions. The data for well-known (n, gamma) resonances are analyzed using weighting functions obtained from Monte Carlo simulations of the experimental set-up. Several causes of systematic deviation are identified and their effect is quantified. In all the cases measured the reaction yield agrees with the standard value within 2%.
|Titolo:||New Experimental Validation of the Pulse Height Weighting Technique for Capture Cross-Section Measurements|
|Data di pubblicazione:||1-mar-2004|
|Appare nelle tipologie:||1.1 Articolo in rivista|