Astrophys. Space Sci. Trans., 7, 101-104, 2011
www.astrophys-space-sci-trans.net/7/101/2011/
doi:10.5194/astra-7-101-2011
© Author(s) 2011. This work is distributed
under the Creative Commons Attribution 3.0 License.
 
12 Apr 2011
Measurements and interpretation of registration of large number of neutrons generated in lead: the role of particle cascades
Z. Dębicki1, K. Jędrzejczak1, J. Karczmarczyk1, M. Kasztelan1, R. Lewandowski1, J. Orzechowski1, B. Szabelska1, J. Szabelski1, P. Tokarski1, and T. Wibig1,2
1The Andrzej Sołtan Institute for Nuclear Studies (IPJ), Cosmic Ray Laboratory, 90–950 Łódź 1, P.O.Box 447, Poland
2Physics Dept., University of Łódź, Poland

Abstract. We register events with large number of neutrons at the ground level as well as in the underground laboratory. These neutrons are produced in secondary cosmic ray interactions with matter surrounding the neutron detectors. We used the set of helium-3 filled gas proportional counters and plastic scintillators. We performed a series of measurements in different experimental setups to determine a role of particle cascades in generation of large neutron multiplicities. With GEANT4 simulation of experimental setup we estimated number of neutrons produced in a single event which is required to explain our measurements.

Citation: Dębicki, Z., Jędrzejczak, K., Karczmarczyk, J., Kasztelan, M., Lewandowski, R., Orzechowski, J., Szabelska, B., Szabelski, J., Tokarski, P., and Wibig, T.: Measurements and interpretation of registration of large number of neutrons generated in lead: the role of particle cascades, Astrophys. Space Sci. Trans., 7, 101-104, doi:10.5194/astra-7-101-2011, 2011.
 
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