Registration of elementary particles (1984)

Animation: Scheme of scattering and interaction of elementary particles with each other and with matter.

Elements of the particle diagram - mass, its spin, lifetime and electric charge.

Illustration and formula for the energy of a relativistic particle.

Scheme of change in the rest mass of elementary particles.

Scheme of increase in particle energy and their relativistic mass with increasing velocity.

Scheme of the action of particle spin, formulas for spin values.

Scheme and formula for the registered lifetime of relativistic particles "tau".

Impact on the surface of the Earth of charged pi-mesons formed in the upper layers of the troposphere.

Formulas for the effect of particles.

Scheme of the influence of the presence or absence of charge on the shape of the particle trace.

Scheme of an experiment to determine the steady-state velocity of charged drops of oil in the electric field of a flat capacitor.

Millikan's formula.

Photograph of the American physicist Millikan and the Soviet scientist Ioffe.

Animation: scheme of the first experiments on observing elementary particles, images of a Thompson tube and a Wilson cloud chamber.

Group photographs of physicists who stood at the origins of the study of elementary particles.

Animation: patterns of radiation emitted by particles moving in transparent media at superluminal speeds, discovered by Soviet scientists in the 1930s.

Pattern of particle emission recording, allowing their speed to be accurately determined.

Photograph of a photomultiplier.

Interior of a modern research laboratory, recording device.

Animation: images of photomultipliers, bubble chamber, spark chamber, ionization calorimeter.

Types of modern bubble chambers.

One of the bubble chambers in operation.

Animation: pattern of a bubble chamber in operation.

Photographs of particle tracks recorded by a bubble chamber.

Animation: the process of recording particle tracks using a photo emulsion.

Recording the trajectory of a complex particle in a block of photo emulsions.

Particle tracks recorded on a photo emulsion.

Scientists study information obtained during an experiment with tracking chambers.

One of the scientists monitors the operation of the automatic data processing device.

The recording equipment in operation during another experiment.

Views of the parts of the accelerator-storage complex stand at the High Energy Research Institute.

Scheme of the initial sorting of beam particles (animation).

Scheme of detectors located across the particle trajectory (animation).

Scheme of the hadron calorimeter and meson filter (animation).

Panorama of the accelerator-storage complex, its components.

View of the gamma spectrometer.

Components of the device.

Scheme of the gamma spectrometer in operation (animation).

Scientists in the laboratory at their computers.

Winter mountain landscape, a scientific station for capturing cosmic rays on Mount Aragats in the Armenian SSR. Operation of the station equipment.

Scientists conduct research into the energy spectrum of the mass composition of cosmic rays using the Pion facility.

Scientists study the data obtained.

Scheme of the interaction of a cosmic particle with the layers of the recording equipment and the multiple appearance of secondary particles (animation).

Scheme of analysis of interactions in a chain of cosmic rays and determination of their primary spectrum (animation).

X-ray transition radiation formed in the Pion installation.

Types of photomultipliers, spark chambers, Chelenkov counters.

Types and components of an ionization calorimeter with layers of various metals and graphite.

Scheme of processes occurring in the upper layers of the atmosphere during penetration of high-energy cosmic particles (animation).

Scientists study the data obtained during the study.

Types of parts of the automated installation for studying elementary particles.

View of one of the buildings of the station on Mount Aragats.

Photographs of the first structures of the station in an illustrated edition.

View of the construction of the new underground hall of the station for recording elementary particles.

Scientists are working out the program of future experiments on a computer.

Data on the monitor screen.

View of the station.

Photographs of the Milky Way, part of the periodic table (combined shooting).

Flickering line on the oscilloscope screen.