EAS thermal neutron lateral and temporal distributions
Stenkin, Yu. V. · Gromushkin, D. M. · Petrukhin, A. A. · Shchegolev, O. B. · Stepanov, V. I. · Volchenko, V. I. · Yashin, I. I. · Zadeba, E. A.
Original · EN
A novel type of EAS array (PRISMA-32) has been constructed on the base of NEVOD-DECOR experiment (MEPhI,Moscow) and is now taking data. It consists of 32 specially designed scintillator en-detectors able to measure two main EAS components: hadrons (n) and electrons (e). First results on thermal neutron lateral as well as temporal distributions are presented. Obtained exponential neutron lateral distributions are consistent with that expected for normal hadron production with exponential transverse momentum distribution. As there are no other experimental data on thermal neutron distributions and so, to compare results with other measurements, we additionally obtained electron lateral distribution function (using the same detectors) and compared it with NKG - function. Recorded neutron temporal distributions are very close to that obtained with data of our previous prototypes.
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