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B1496
Title: A stochastic process approach to multilayer neutron detectors Authors:  Vladimir Pastukhov - Lund University (Sweden) [presenting]
Dragi Anevski - Lund University (Sweden)
Abstract: The feasibility of statistical determination of a neutron wavelength andenergy spectrum in the new generation of neutron detectors is discussed. The data from the multi-grid detector consists of counts of the number of absorbed particles, along the sequence of the detector cells.First, we consider the unimodal incident beam which is assumed to be a Poisson process. Using the Maximum Likelihood (ML) estimator we discuss its asymptotic properties. Next, we generalise this result for the case of the monotone spectrum of a multimodal Poisson beam. The last part is the ultimate challenge and is dedicated to the estimation the continuous spectrum of the incident beam, under the assumption of monotonicity.