A new measurement of the neutron detection efficiency for the NaI Crystal Ball detector
M. Martemianov, V. Kulikov, B. T. Demissie, Z. Marinides, C. S., Akondi, J. R. M. Annand, H. J. Arends, R. Beck, N. Borisov, A. Braghieri, W., J. Briscoe, S. Cherepnya, C. Collicott, S. Costanza, E. J. Downie, M., Dieterle, M. I. Ferretti Bondy, L. V. Filkov, S. Garni

TL;DR
This paper presents a new measurement of neutron detection efficiency in NaI crystals for energies up to 400 MeV, improving upon previous measurements from over 15 years ago.
Contribution
It provides updated neutron detection efficiency data for NaI crystals in the Crystal Ball detector using modern experimental techniques.
Findings
Neutron detection efficiency measured up to 400 MeV.
Comparison shows differences with previous measurements from 15+ years ago.
Results enhance understanding of detector performance for neutron detection.
Abstract
We report on a measurement of the neutron detection efficiency in NaI crystals in the Crystal Ball detector obtained from a study of single p0 photoproduction on deuterium using the tagged photon beam at the Mainz Microtron. The results were obtained up to a neutron energy of 400 MeV. They are compared to previous measurements made more than 15 years ago at the pion beam at the BNL AGS.
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