Tien Shan modernized EAS installation:
the new shower system, neutron detectors, underground system, and ionization calorimeter

EAS installation in the year 2017
rus  eng ( 13M ; 23Apr2017)
The scintillation shower system in the year 2015
presentation-1 (rus) ( 21M ; 26Apr2016)
presentation-2 (rus) ( 16M ; 22May2016)
 

The compact microcontroller based data aquisition system

presentation-1 ( 2M ; 22Sep2016) (use in thunderstorm measurements);
presentation-2 ( 4M ; 22Mar2017) (use for the cosmic ray intensity variation counts at the neutron monitor)
 

The THUNDERSTORM experiment

Resumptive presentation on the search for neutron radiation component
emitted at the time of lightning discharges in the years 2010-2016. ( 20M ; 22May2016)
 

The neutron measurements at Tien-Shan station

Neutron multiplicities
The spectra of neutron multiplicity in the events inside the B and D units of the Tien-Shan NM64 neutron supermonitor (10Jan2009)
 
Neutron multiplicity correlations between the B and D monitor units. (10Jun2008)
 
The neutron multiplicity spectra in the unit E (24Dec2008)
Temporal distributions
Time distribution of neutron intensity in the Tien-Shan NM64 neutron supermonitor (3340 m above the sea level) (15May2009)
 
Time distribution of signals from the boron and helium counters in monitor unit D. (10Jun2008)
 
Time distribution of neutron signal in monitor unit D in the high-multiplicity individual events (22Jan2009)
 
Time distribution of neutron signal in the events of monitor unit E. (18Nov2008)
The measurements with neutron-sensitive scintillation detectors (orthocarboran)
Time distribution of the signals from orthocarboran scintillators at Tien-Shan (06Feb2010)
 
The multiplicity spectra of the orthocarboran scintillations (05Feb2010)
 
The pulse multiplicity correlations between the gas and scintillation neutron detectors (06Feb2010)
 
The pulse multiplicity correlations between scintilaltion detectors of the neutron and gamma type (06Feb2010)
 
Time dependence of the pulse intensity relations between the gas and scintillation type neutron counters (11Jan2009)
 

Underground neutron measurements

Neutron multiplicities
The spectra of neutron multiplicity in the Underground neutron monitor taken simultaneously with the extensive air showers events in the years 2015-2016. (01Mar2017)
 
The spectra of neutron multiplicity in UPPER and LOWER units of the Underground neutron monitor at Tien-Shan station in the years 2007-2016 (01Mar2017)
 
The UPPER and LOWER spectra of neutron multiplicities in Underground neutron monitor splitted between succeeding 1 year long observation periods (01Mar2017)
 
The neutron multiplicity spectra of the events in Underground neutron monitor of Tien-Shan station (07Apr2008)
 
The neutron multiplicity spectra in an integral form (29May2008)
 
Multiplicity correlations between the UPPER (A) and LOWER (B) units of the Underground neutron monitor (07Apr2008)
 
The neutron multiplicity spectra with an iron absorber between the upper and lower monitor units (27Nov2008)
 
The neutron multiplicity spectra of the UPPER underground monitor unit (A) beneath a set of different absorbers. (31Mar2009)
Temporal distributions
Timedistribution of neutron intensity in the Underground monitor (15Jan2009)
 
Time distribution of underground neutrons measured in the years 2005-2007 (14May2007)
Background of thermal neutrons
The neutron multiplicity spectra of the THERMAL neutron background in underground room. (10Jun2010)
 
Time distribution of neutron intensity in the Underground monitor together with distribution of thermal neutron background (15Jan2009)
 
The average time distribution of THERMAL neutrons. (20Sep2009)
 

The measurements at the lower neutron monitor sites

Height 1750 m above the sea level
The neutron multiplicity spectrum measured at the Intermediate station (1750 m a.s.l.) (28Mar2009)
 
Time distribution of neutron intensity at Intermediate station (17Jun2008)
Height 850 m above the sea level
The neutron multiplicity spectrum at KazNU installation (850 m a.s.l.) (19Jun2008)
 
Time distribution of neutron intensity in the NM64 supermonitor of KazNU. (17Jun2008)
 
Correlation between neutron multiplicities measured with a low and high amplitude thresholds at the Intermediate station and in KazNU (17Jun2008)
 

The GEANT4 neutron monitor simulations

NM64: the plot of mean neutron multiplicity vs primary hadron energy (29Nov2010)
 
NM64: the average temporal distribution of the intensity of neutron signal from a single primary hadron. (25Dec2008)
 
Temporal distribution of neutron intensity from a hit of a shower core. (10May2009)