scholarly journals Accounting for meteorological effects in the detector of the charged component of cosmic rays

2021 ◽  
Vol 10 (2) ◽  
pp. 219-226
Author(s):  
Maxim Philippov ◽  
Vladimir Makhmutov ◽  
Galina Bazilevskaya ◽  
Fedor Zagumennov ◽  
Vladimir Fomenko ◽  
...  
Keyword(s):  
Cosmic Rays ◽  
Barometric Pressure ◽  
Lebedev Physical Institute ◽  
Temperature Correction ◽  
Federal State ◽  
Geomagnetic Cutoff ◽  
Charged Component ◽  
Scientific Station ◽  
Central Aerological Observatory ◽  
Meteorological Effects

Abstract. In this paper, we discuss the influence of meteorological effects on the data of the ground installation CARPET, which is a detector of the charged component of secondary cosmic rays (CRs). This device is designed in the P.N. Lebedev Physical Institute (LPI, Moscow, Russia) and installed at the Dolgoprudny scientific station (Dolgoprudny, Moscow region; 55.56∘ N, 37.3∘ E; geomagnetic cutoff rigidity (Rc = 2.12 GV) in 2017. Based on the data obtained in 2019–2020, the barometric and temperature correction coefficients for the CARPET installation were determined. The barometric coefficient was calculated from the data of the barometric pressure sensor included in the installation. To determine the temperature effect, we used the data of upper-air sounding of the atmosphere obtained by the Federal State Budgetary Institution “Central Aerological Observatory” (CAO), also located in Dolgoprudny. Upper-air sounds launch twice a day and can reach an altitude of more than 30 km.

scholarly journals Accounting for meteorological effects in the the detector of the charged component of cosmic rays

2021 ◽  
Author(s):  
Maxim Philippov ◽  
Vladimir Makhmutov ◽  
Galina Bazilevskaya ◽  
Fedor Zagumennov ◽  
Vladimir Fomenko ◽  
...  
Keyword(s):  
Cosmic Rays ◽  
Barometric Pressure ◽  
Lebedev Physical Institute ◽  
Federal State ◽  
Temperature Coefficients ◽  
Charged Component ◽  
Scientific Station ◽  
Central Aerological Observatory ◽  
Meteorological Effects ◽  
Barometric Coefficient

Abstract. In this paper, we discuss the influence of meteorological effects on the data of the ground installation CARPET, which is a detector of the charged component of secondary cosmic rays (CRs). This device is designed in the P.N. Lebedev Physical Institute (LPI, Moscow, Russia) and installed at the Dolgoprudny scientific station (Dolgoprudny, Moscow region, S55.56 °, W37.3 °; Rc = 2.12 GV) in 2017. Based on the data obtained in 2019–2020, the barometric and temperature coefficients for the CARPET installation were determined. The barometric coefficient was calculated from the data of the barometric pressure sensor included in the installation. To determine the temperature effect, we used the data of upper-air sounding of the atmosphere obtained by the Federal State Budgetary Institution «Central Aerological Observatory» (CAO), also located in Dolgoprudny.

ABOUT ONE WAY OF ORGANIZATION UNIFIED SYSTEM FOR REGISTRATION OF SPACE RAYS

2021 ◽  
Vol 75 (3) ◽  
pp. 64-69
Author(s):  
К.М. Mukashev ◽  
◽  
A.V. Stepanov ◽  
T.Kh. Sadykov ◽  
A. К. Argynova ◽  
...  
Keyword(s):  
Cosmic Rays ◽  
Modern Technology ◽  
Mass Composition ◽  
Energy Structure ◽  
High Mountain ◽  
Scientific Station ◽  
Electron Photon ◽  
Time Of Operation ◽  
High Degree ◽  
Photon Component

At present, at the high-mountain scientific station for the study of the physics of cosmic rays, various, independently operating unique experimental installations are used. The article discusses the ways and methods of combining these installations into a single system, which includes networks of scintillation detectors of the "carpet" type for registration of the electron-photon component, ground and underground monitors for registration of neutron components, calorimeters, Cherenkov detectors, a scintillation spectrometer and a number of other subsystems. The newly created unified system for registering cosmic rays based on the achievements of modern technology and scientific thought will have a high resolution, with a common databank with synchronization in time of operation of separate, independently operating experimental installations. The solution to this problem will make it possible to perform a detailed analysis of the recorded events from a single position, to carry out complex calculations of the spatial distribution, mass composition, and also the energy structure of cosmic rays with a high degree of accuracy.

scholarly journals The geomagnetic cutoff rigidities at high latitudes for different solar wind and geomagnetic conditions

2016 ◽  
Vol 34 (1) ◽  
pp. 45-53 ◽  
Author(s):  
W. Chu ◽  
G. Qin
Keyword(s):  
Solar Wind ◽  
Cosmic Rays ◽  
Strong Correlation ◽  
Geomagnetic Storms ◽  
Dynamic Pressure ◽  
Threshold Value ◽  
High Latitudes ◽  
Dst Index ◽  
Ae Index ◽  
Geomagnetic Cutoff

Abstract. Studying the access of the cosmic rays (CRs) into the magnetosphere is important to understand the coupling between the magnetosphere and the solar wind. In this paper we numerically studied CRs' magnetospheric access with vertical geomagnetic cutoff rigidities using the method proposed by Smart and Shea (1999). By the study of CRs' vertical geomagnetic cutoff rigidities at high latitudes we obtain the CRs' window (CRW) whose boundary is determined when the vertical geomagnetic cutoff rigidities drop to a value lower than a threshold value. Furthermore, we studied the area of CRWs and found out they are sensitive to different parameters, such as the z component of interplanetary magnetic field (IMF), the solar wind dynamic pressure, AE index, and Dst index. It was found that both the AE index and Dst index have a strong correlation with the area of CRWs during strong geomagnetic storms. However, during the medium storms, only AE index has a strong correlation with the area of CRWs, while Dst index has a much weaker correlation with the area of CRWs. This result on the CRW can be used for forecasting the variation of the cosmic rays during the geomagnetic storms.

A Positively Charged Component of Cosmic Rays

1933 ◽  
Vol 43 (10) ◽  
pp. 835-836 ◽  
Author(s):  
Luis Alvarez ◽  
Arthur H. Compton
Keyword(s):  
Cosmic Rays ◽  
Charged Component ◽  
Positively Charged

The CARPET Ground Facility for Detecting the Charged Component of Cosmic Rays

2020 ◽  
Vol 63 (3) ◽  
pp. 388-395
Author(s):  
M. V. Philippov ◽  
V. S. Makhmutov ◽  
Yu. I. Stozhkov ◽  
O. S. Maksumov
Keyword(s):  
Cosmic Rays ◽  
Charged Component

Removal of meteorological effects from meson-telescope data

1969 ◽  
Vol 47 (14) ◽  
pp. 1429-1433 ◽  
Author(s):  
R. M. Briggs ◽  
R. B. Hicks ◽  
S. Standil
Keyword(s):  
Regression Analysis ◽  
Least Squares ◽  
Neutron Monitor ◽  
Ground Level ◽  
Barometric Pressure ◽  
Practical Method ◽  
Meteorological Conditions ◽  
Hourly Data ◽  
Meteorological Effects

Hourly data from a meson mega-telescope have been correlated with the local barometric pressure, the ground-level temperature, and with intensity variations as observed by a distant neutron monitor. Two techniques are considered, viz. a vector least-squares analysis and an hourly regression analysis, the latter being suggested as a practical method whereby stations without radiosonde information may correct their hourly meson data for changing meteorological conditions.

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