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Article
Reconstructing the Energy Spectrum of Cosmic Muons Measured with the Underground Detector of the Tien Shan High-Altitude Station
This paper investigates the performance of the underground detector at the Tien Shan High-Altitude Station for the registration of cosmic muons produced in extensive air showers (EAS) using a simulation with G...
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Article
Determination of Cosmic-Ray Arrival Directions Using the System of EAS Front Detectors at the Tien Shan High-Altitude Station
A system of detectors for the front of extensive air showers (EAS) was set up at the Tien Shan High-Altitude Station of the Lebedev Physical Institute (LPI), which has a high time resolution and is designed to...
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Article
Spectral and Temporal Characteristics of UHF Radiation Generated by a Miniature Electric Spark
Spectral characteristics of ultrahigh-frequency radiation generated by a pulsed electric spark in a millimeter air gap are studied, together with its temporal correlation with the behavior of the discharge cur...
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Article
Strange Quark Matter and the Galactic Nature of Cosmic Rays
A detailed study of cores of extensive air showers at energies of 1–100 PeV using X-ray emulsion chambers allows us to hypothesize about the nonnuclear nature of cosmic rays in the knee area. Considering stabl...
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Article
Investigation of the Yield of the Nuclear Reaction B + p → 3α Near Resonant Energy Using CR-39 Track Detectors
The yield of the nuclear reaction B + p → 3α near the resonant proton energy of 675 keV in the injector beam of the “Prometheus” proton accelerator is studied. The reaction products (alpha particles) are recorded...
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Article
Features of Equipment for Recording Alpha Particles as Applied to Binary Proton Technology of Radio Therapy
A spectrometer allowing recording nuclear reaction products characteristic of boron—proton radiotherapy technologies is developed. A hardware-software system of the spectrometer allows identifying alpha partic...
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Article
Short-Time Increases in the Gamma Ray Intensity and Electron Flux inside Thunderclouds As Studied at the High-Altitude Detector Point of the Tien-Shan Mountain Station
The events of short-time intensity increases in hard radiation in thunderclouds (thunderstorm ground enhancements, TGE) were studied at the Tien Shan mountain station (TSMS) of the Lebedev Physical Institute (...
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Article
Geant4 Simulation of the p+11B → 3α Reaction
In order to increase the absorbed dose around the Bragg peak region, it is proposed to use the p+11B → 3α reaction for proton therapy. This reaction is not implemented in the Geant4 software package. A simplified...
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Article
Erratum to: Registration of the Yield of d + d Nuclear Reaction Products from a Polycrystalline Diamond Target at the Ion Accelerator HELIS
An Erratum to this paper has been published: https://doi.org/10.3103/S1068335623020094
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Article
The Role of Asymmetry of the Left and Right External Ear of Bottlenose Dolphin (Tursiops truncatus) in the Spatial Localization of Sound
It is generally accepted that Odontoceti lost their external ears (pinnae) in the process of adapting to aquatic habitats. However, their hearing localizes sound with an accuracy of 1° in the frontal and media...
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Article
Measurement of the Cosmic Ray Muon Component Using the Neutron Detection Technique at the Tien Shan Mountain Station
A neutron technique for recording the cosmic ray muon component at the Tien Shan mountain station of the Lebedev Physical Institute allows estimation of the particle flux passing through a detector for several...
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Article
Open AccessErratum to: Several Articles in JETP Letters
An Erratum to this paper has been published: https://doi.org/10.1134/S0021364022390011
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Article
Multichannel Monitoring of the Radiation Background and a Search for Precursor Signals of the Seismic Activity at the Tien Shan Mountain Station
At the Tien Shan Mountain Station of the Lebedev Physical Institute, equipment was developed for continuous multichannel monitoring of the radiation background intensity, both in the surface atmosphere and at ...
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Article
Study of Hard Ionizing Radiation Generation Regions in an Atmospheric Discharge
The distributions of time and energy parameters of X-ray radiation of the nanosecond megavolt atmospheric discharge of “reverse-conical cathode with a tip–grid anode” configuration have been measured for the f...
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Article
Time Parameters of Ionizing Radiation of Anodic and Cathodic Localization in the Megavolt Atmospheric Discharge
The distributions of time and energy parameters of X-ray radiation of the megavolt atmospheric discharge of the ERG system with a front of 220 ns and with “reverse-conical cathode with a tip – grid anode” conf...
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Article
Open AccessStrange Quark Matter and the Astrophysical Nature of Anomalous Effects in 1–100 PeV Cosmic Rays
The composition of cosmic rays is of decisive importance for the determination of reasons for change in the slope of the spectra of extensive air showers (knee) at energies of 1–100 PeV. The characteristics of...
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Article
Some Features of FM Signals (Whistles) of a Newborn Black Sea Bottlenose Dolphin (Tursiops truncatus)
It is known that neonatal dolphins begin to produce FM signals (whistles) immediately after birth. The objective of this paper is to study dynamics of the FM signal parameters from a newborn female dolphin in ...
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Article
REGISTRATION OF THE YIELD OF d + d NUCLEAR REACTION PRODUCTS FROM A POLYCRYSTALLINE DIAMOND TARGET AT THE ION ACCELERATOR HELIS
The experimental data on the yield of d + d-reaction products for polycrystalline diamond target, obtained in the studies at the HELIS ion accelerator are presented. The equipment and neutron and charged particle...
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Article
BRAGG PEAK RECORDING IN THE TARGET SCANNING MODE BY A LOW-INTENSITY PROTON BEAM FROM THE PROMETHEUS MEDICAL ACCELERATOR
The use of the digital imaging detector (DID) for calibrating the Prometeus proton accelerator before a beam therapy session is considered. The results of the DID detector operation in the mode of recording sp...
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Article
The Composition of Cosmic Rays in the Knee Area
Studying the spectrum of secondary particles at the Large Hadron Collider at energies equivalent to 1–100 PeV in the laboratory system, the scaling behavior of hadron spectra is observed. At the same energies,...
