Thermal neutron flux produced by EAS at various altitudes

LIU Ye; MA Xin-Hua; ZHAO Jing

doi:10.1088/1674-1137/37/1/015001

Chinese Physics C> 2013, Vol. 37> Issue(1) : 015001 DOI: 10.1088/1674-1137/37/1/015001

Thermal neutron flux produced by EAS at various altitudes

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Abstract：
The results of Monte-Carlo simulations of extensive air shower are presented to show the difference of hadronic component content at various altitudes with the aim to choose an optimal altitude for the PRISMA-like experiment. CORSIKA program for EAS simulations with QGSJET and GHEISHA models was used to calculate the number of hadrons reaching the observational level inside a circle of 50 m radius around the EAS axis. Then the number of neutrons produced by the hadronic component was calculated using an empirical relationship between the two components. We have tested the results with the ProtoPRISMA array at sea level, and recorded the neutrons which are consistent with the simulation results.

References

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Stenkin Y V. Nucl. Phys. B (Proc. Suppl.), 2009, 196: 293[2] CAO Zhen. Chinese Phys. C (HEP NP), 2010, 34(2): 249[3] Heck D et al. FZKA report 6019, Forshungzentrum Karsruhe, 1998[4] Niemenen M , Torsti J J, Valtonen E. Phys. Rev. D, 1982, 26(5): 1036[5] Hatton C J. The Neutron Monitor. Progress in Elementary Particles and Cosmic Rays Physics. 1971, 1. Vol. X[6] Stenkin Y V, Alekseenko V V, Gromushkin D M et al. Proc. of the 32nd ICRC. Beijing, 2011, 3: 259[7] Stenkin Y V. Study of Neutron EAS Component as a Novel Method of UHE Cosmic Ray Investigation (Ph.D. II Thesis). Moscow: Institute for Nuclear Research, RAS, 2010

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LIU Ye, MA Xin-Hua and ZHAO Jing. Thermal neutron flux produced by EAS at various altitudes[J]. Chinese Physics C, 2013, 37(1): 015001. doi: 10.1088/1674-1137/37/1/015001

LIU Ye, MA Xin-Hua and ZHAO Jing. Thermal neutron flux produced by EAS at various altitudes[J]. Chinese Physics C, 2013, 37(1): 015001. doi: 10.1088/1674-1137/37/1/015001 shu

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Received: 2012-04-17
Revised: 2012-05-22

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沈阳化工大学材料科学与工程学院沈阳 110142

Thermal neutron flux produced by EAS at various altitudes

Corresponding author: MA Xin-Hua,

Received Date: 2012-04-17
Accepted Date: 2012-05-22
Available Online: 2013-01-05

Abstract: The results of Monte-Carlo simulations of extensive air shower are presented to show the difference of hadronic component content at various altitudes with the aim to choose an optimal altitude for the PRISMA-like experiment. CORSIKA program for EAS simulations with QGSJET and GHEISHA models was used to calculate the number of hadrons reaching the observational level inside a circle of 50 m radius around the EAS axis. Then the number of neutrons produced by the hadronic component was calculated using an empirical relationship between the two components. We have tested the results with the ProtoPRISMA array at sea level, and recorded the neutrons which are consistent with the simulation results.