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Bulychjov, S. A., Kudryavtsev, A. E., Kulikov, V. V., Martemianov, M. A., Tarasov, V. E., Lizunova, M. A., Briscoe, W. J., & Strakovsky, I. I. (2018). Neutron Detection in the A2 Collaboration Experiment on Neutral Pion Photo-production on Neutron. KnE Energy, 3(1), 51–56. https://doi.org/10.18502/ken.v3i1.1722

https://doi.org/10.18502/ken.v3i1.1722

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authors

  • S A Bulychjov
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  • A E Kudryavtsev
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  • V V Kulikov
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  • M A Martemianov
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  • V E Tarasov
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  • M A Lizunova
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  • W J Briscoe
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  • I I Strakovsky
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Published Date

  • Apr 9, 2018

Neutron Detection in the A2 Collaboration Experiment on Neutral Pion Photo-production on Neutron

KnE Energy / The 3rd International Conference on Particle Physics and Astrophysics (ICPPA) / Pages 51–56

Abstract

Neutron detection is of crucial importance for the neutral pion photo-production study on a neutron target that now is in progress at MAMI. Two electro-magnetic calorimeters, based on NaI and BaF2 crystals, are used in the A2 experiment. While these calorimeters are optimized for pion decay photon detection, they have a reason able efficiency for neutron detection also. The paper describes the method, which has been used to measure this efficiency using the same data taken for pion photo-production study on deuterium target with tagged photon been of 800 MeV maximal energy. The detection efficiency is a rising function of neutron momentum that reaches 40% near 1 GeV/c.

References
[1] Krusche B 2011 Photo-production of mesons off nuclei Eur. Phys. J. ST 198 199


[2] Strakovsky I et al 2016 Progress in Neutron EM Couplings. AIP Conf.Proc. 1735 040002


[3] Martemianov M et al 2015 A new measurement of the neutron detection efficiency for the NaI Crystal Ball detector. JINST 10 T04001


[4] Gabler A R et al 1994 Response of TAPS to monochromatic photons with energies between 45-MeV and 790-MeV Nucl. Instrum. Methods A 346 168