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The thick neutron calorimeter for registration of the vertical and horizontal fluxes of the neutron-bearing cosmic ray component in the underground room of Tien-Shan station
Speakers
- A.P. CHUBENKO
Primary authors
- A.P. CHUBENKO (P.N.Lebedev Physical Institute, Moscow, Russia)
- A.L. SHEPETOV (P.N.Lebedev Physical Institute, Moscow, Russia)
Co-authors
- P.A. CHUBENKO (P.N.Lebedev Physical Institute, Moscow, Russia)
- T.Kh. SADYKOV (Institute of Physics and Technology, Almaty, Kazakhstan)
- O.N. KRYAKUNOVA (Ionosphere Institute, Almaty, Kazakhstan)
- S.V. KRYUKOV (Ionosphere Institute, Almaty, Kazakhstan)
- E.Sh. ISAEV (Institute of Physics and Technology, Almaty, Kazakhstan)
- D.I. KRYKBAYEV (Al-Faraby Kazakh National University, Physics Department, Almaty, Kazakhstan)
- V.V. OSCOMOV (Al-Faraby Kazakh National University, Physics Department, Almaty, Kazakhstan)
- V.P. PAVLYUCHENKO (P.N.Lebedev Physical Institute, Moscow, Russia)
- L.I. VILDANOVA (Tien-Shan Mountain Cosmic Ray Station, Almaty, Kazakhstan)
- M.I. VILDANOVA (Tien-Shan Mountain Cosmic Ray Station, Almaty, Kazakhstan)
Abstract content
Detector of a new type - the thick neutron calorimeter for the study of the muon-induced neutron events - was created in the underground room of the Tien-Shan mountain station (3340 m above the sea level) under a 2000 g/cm^2 thick rock absorber.
Installation consists of the two separate parts: the "vertical" calorimeter with 152 "Helium-2" type neutron counters being placed above each other in a vertical plane and a "horizontal" one, with 18 SNM-15 type neutron counters paced horizontally. As a neutron generator is used the lead (35 t in the "vertical" and 20 t in the "horizontal" calorimeter) and as a moderator - the hydrodgen-enriched rubber and wood. Determination of the muon directions is performed by a telescopic system of scintillation detectors. The control system permits to register the temporal distributions of the signals from the each neutron detector in a time interval up to 4 ms.
