Khrimyan, Armen Vaginakovich

Born in 1924 in the city of Akhalkalaki . Father, Vaginak Hakobovich Khrimyan, an officer of the tsarist army, worked as chief accountant of a number of central factories and enterprises in Yerevan . Mother, Astghik Simonovna Naapetyan - philologist, worked in the literary museum of Yerevan. Sister Gohar Khrimyan is an experimental physicist. Armen Khrimyan is a second cousin (by mother) of Charles Aznavour . In 1930, the family moved to Yerevan. In 1940, Armen Vaginakovich entered the Physics and Mathematics Department of Yerevan State University (YSU), which he graduated in 1946. In 1942, A.V. Khrimyan was drafted into the Red Army , and in 1943 he was charged with military service due to illness (due to malaria , which suffered from 1938) and continued his studies at YSU.

In 1956, Armen Vaginakovich defended his thesis ^[1] at the Moscow Engineering Physics Institute and received a PhD in Physics and Mathematics .

In 1995, Armen Vaginakovich and his family left for Israel, from where he returned to Armenia in 2011. In 2012, Armen Khrimyan died in Yerevan at the age of 88.

From 1944 to 1968 A.V. Khrimyan worked at the YerPhI of the Academy of Sciences of the Armenian SSR . He was head of the laboratory of elementary particles and its supervisor, head of the laboratory of the Large Magnet.

From 1944 to 1959 he was a member, deputy. Head of the high-altitude expedition of the Academy of Sciences of the USSR and the Academy of Sciences of the Armenian SSR to study cosmic rays on Mount Aragats . After the expedition from 1947 to 1963, he organized the wintering of laboratory staff on Aragats. Thus, the three-month expedition turned into a year-round and a permanent Aragat scientific station was created.

Aragat alpine cosmic ray research station

In 1944, while still a student, he was hired by the newly created Institute of Physics as a junior research fellow. He participated in the organization and conduct of scientific experiments of the Academy of Sciences of the USSR and YSU on Mount Aragats (height 3,500 meters) to study the nature of cosmic rays.

Since 1946, at the Institute of Physical Problems , together with a group of Moscow and Leningrad physicists (academician Alikhanov A.I. , Landau L.D. , Migdal A.B. , Tamm I.E. and others), he processed the results of expeditions. He participated in the design, installation and launch of a new research equipment - the Aragatsky Big Magnetic Mass Spectrometer and conducted research on the nature of particles entering cosmic rays at an altitude of 3200 meters.

During 1950-53, he studied the spectrum of protons that make up cosmic radiation. From 1953 to 1955 he was engaged in research of the nuclear fission products generated by fast neutrons of cosmic radiation. New data were obtained on the composition of the products of these stars with momenta greater than 1 BeV / s. Since 1958, he studied the nature and spectra of particles generated by high-energy nucleons. New data were obtained on the spectra of mesons, protons, and deuterons generated under the influence of nucleons of cosmic radiation. The results of a study of the nature of the generation and spectrum of nucleated k-mesons were reported at international conferences on cosmic rays in Venice in 1957 and in Moscow in 1959 ^[1]

The main scientific works of A. Khrimyan, carried out in 1944-1967 at the Aragatsky alpine station:

• For the first time in the world, the presence of high-energy protons in the composition of cosmic rays, and subsequently also particles of intermediate mass (K mesons), has been directly proved.
• Study of the nature and energy spectrum of particles (Pi-mesons, K-mesons, protons, deuterons) generated in nuclear fission
• The composition and energy spectra of cosmic rays at mountain heights are investigated.
• A new method has been developed for measuring the masses of low-intensity groups of nuclear-active particles at large proton backgrounds

These works were performed using unique magnetic mass spectrometers to study the nature and energy spectra of cosmic rays and nuclear fission products generated by high-energy nucleons created under the guidance of A. Khrimyan ^{[2] [2]} .

In 1962, A. Khrimyan and his staff proposed a new method for determining the masses of elementary particles ^{[3] [4]} . The proposed method made it possible to create high-aperture devices for determining the masses of elementary particles and nuclei. The method was applicable in research on accelerators and in the field of cosmic rays and allowed:

• To create devices with the efficiency of existing devices, at a cost hundreds of times less than the cost of devices created by other methods
• To create devices with an efficiency hundreds of times higher than the efficiency of existing devices, at the same cost.

The great efficiency of the new method made it possible to solve such problems in the field of searches for new elementary particles that were unsolvable using existing methods, since this would require experiments lasting tens of years, which is very difficult to put into practice. Unfortunately, due to a conflict of interest at the institute, work on the creation of devices and the search for new elementary particles using the new methodology were excluded from the thematic plan and were not implemented.

Electrosleep and electroanesthesia

From 1962 to 1968, together with the leading cardiologist of Armenia Stamboltsyan R.P. , A. Khrimyan was engaged in research on electric sleep . He is co-author of 5 scientific papers on the creation of medical equipment and techniques for electric sleep and electron anesthesia, including with regard to the tasks and conditions of space flight .

The works were presented at a number of All-Union and international conferences, including the 1st International Symposium on Electrosleep and Electroanesthesia in Graz in Austria in 1966.

From 1968 to 1983 A. Khrimyan headed the department of “cosmic ray physics” at the Institute of Physical Research of the Academy of Sciences of the Armenian SSR. The work of the department was devoted to cosmic ray research on the satellite under the scientific program proposed by A. Khrimyan and approved in 1965 by the Scientific Council under the Presidium of the USSR Academy of Sciences. The scientific goal of this program is to study the origin and propagation of cosmic rays in the galaxy. As part of this program, A. Khrimyan was the scientific director of space experiments at the Cosmos-557 satellite and at the Salyut-4 orbital station , and the chief designer of the Sila research equipment used in these experiments. For these works A. Khrimyan was awarded the Order of the Badge of Honor ^[5] . The SILYA experiment was exhibited at the Exhibition of Economic Achievements of the USSR and was awarded the VDNKh bronze medal .

The department of “cosmic ray physics” was the only scientific group in the USSR that had a physical technique and satellite instruments for studying the isotopic composition of light nuclei of galactic and solar cosmic rays, as well as quasi-captured radiation ^[3] .

Sila experiments at the Cosmos-557 satellite and at the Salyut-4 orbital station

In 1968-1972 A. Khrimyan developed a basic physical device - a light nucleus isotope spectrometer (“Sila”), which made identification of light nucleus isotopes using the spectrometric scintillation telescope technique developed in the department. Later, the Sila-4-03 device was created, with the help of which in 1973 research was conducted on the Cosmos-557 satellite. Successful work on the Cosmos-557 satellite proved the reliability of the device and in the years 1973-1974 the Sila-4-04 device was created, with the help of which scientific research was carried out at the Salyut-4 orbital station ^{[6] [7] [8]}

In the experiments covered even in publications such as Trud ^[9] , Izvestia ^[10] , Pravda ^[11] , important scientific results were obtained, which were reported at international conferences and were highly appreciated by the Scientific Council on the problem “Cosmic rays” of the Academy of Sciences of the USSR ^{[k 4] [k 5] [k 6]} , and were important for the development of ideas about the properties of near-Earth space, the theory of the origin of cosmic rays and solar-terrestrial communications. ^{[to 7]}

1. The energy spectra of the hydrogen and helium nuclei of galactic cosmic rays were measured during the period of the deep minimum of solar activity in 1975-1976. The obtained scientific results are unique, since during the minimum period of 1975-76. only two experiments were performed - on Salyut-4 in the energy range E = 500-10.000 MeV and on the American satellite IMP-8 in the range E = 20-100 MeV. Given that a minimum of 75-76 years. was very deep, the results of these experiments are important for the development of the theory of the origin of GCR and solar modulation of GCR.
2. The existence of quasi-trapped protons with energies E = 250-500 MeV was discovered, and the existence of quasi-trapped electrons with E> 200 MeV was confirmed. This phenomenon is important for the development of ideas about the properties of near-Earth space.

Branch of the Space Research Institute (IKI) of the USSR Academy of Sciences in Armenia

In 1979-1983 on the proposal of the Space Research Institute (IKI) of the Academy of Sciences of the USSR , the option of opening a branch of the IKI of the USSR Academy of Sciences with a design bureau and a pilot plant for scientific instrumentation on the basis of the department headed by A. Khrimyan ^{[12] [3] [13] was considered} . The alleged directions of the branch's work were space physics of high-energy particles, gamma and X-ray astronomy, the creation of on-board computers for experiment control (based on YernIIIM ), and the primary processing of scientific information. The estimated size of the branch is 600 people. ^[12] Unfortunately, due to organizational difficulties, the branch was not created.

From 1983 to 1992, A. Khrimyan was the head of the space physics department at the Research Institute for Condensed Matter Physics of YSU, the chief designer of the Sevan corpuscular radiation satellite spectrometer, and the scientific director of the Sevan space experiment at the Salyut-7 orbit complex, Cosmos- 1686. "

Sevan experiment at the Salyut-7 orbital complex - Cosmos-1686

With the help of the Sevan scientific research equipment at the Salyut-7 - Cosmos-1686 orbital complex in 1985-88 The Sevan cosmophysical experiment was conducted with the aim of studying galactic and solar cosmic rays, as well as secondary corpuscular radiation generated by them in near-Earth space. These studies were one of the channels of information for creating an accurate physical model of near-Earth space for solving a number of scientific and applied problems, in particular, for long-term forecasting of the radiation situation in outer space, and ensuring the radiation safety of space flights.

During the experiment, continuously at each point of the flight orbit, a quantitative and qualitative analysis of radiation was carried out: separation of particles of various origins, measurement of the intensity of their flows, determination of the nuclear isotopic composition and energy spectra. The totality of the information obtained determines the composition and parameters of radiation in near-Earth space and the spatiotemporal distribution of its components around the globe.

Within 1259 hours, about 350 million measurements were carried out on 831 turns of flight around the globe at altitudes of 300-400 km, encircling the globe between geographic latitudes of ± 52 degrees.

Based on the processing of the received telemetric information using the Sevan equipment, new methods have been developed for solving two urgent applied problems of astronautics: autonomous navigation and determining the parameters of the rotational motion of spacecraft . These decisions were further developed in the framework of the Canopus, Regatta ^[14] and Small Space Laboratory projects ^[15] .

International Regatta project and Araks equipment

Since 1989, A. Khrimyan led the development of the physical method and on-board equipment for controlling the rotation parameters of space sailing ships in the Regatta project.

The international project "Regatta", carried out by the IKI of the USSR Academy of Sciences, provided for the development and creation of a new type of basic satellite - a solar sailing ship - with the goal of implementing a series of long-term small space laboratories (MKL) with unique adjustable conditions: vacuum, zero gravity, radiation exposure, electromagnetic and environmental cleanliness , high sensitivity monitors for the study of cosmophysical processes in near-Earth space and monitoring solar activity.

To control the orientation of the Regatta-E MCL, based on the results of the Sevan experiment, a new automatic navigation method was developed and Araks on-board equipment was developed. The method was based on the laws of planetary distribution of corpuscular radiation in near-Earth outer space, by continuously recording current values ​​with a narrowly focused telescope radiation intensity along the flight path of the spacecraft with a time reference An application was filed for the invention on behalf of NPO Laser Technique, IKI AN SSSR , NPO Energia , Salyut Design Bureau. The launch of the first satellite of the Regatta project was planned in 1993-1994, but due to the collapse of the USSR, the project was curtailed.

In 1992, A. Khrimyan suffered a stroke, provoked by the closure of a number of physical laboratories at the Laser Technique NGO, including the cosmic ray department, which he headed. After treatment and leaving the institute, A. Khrimyan was actively involved in environmental issues, in particular, reconstruction issues, which had been stopped at the time of the Armenian NPP . He was extremely concerned about the lack of storage facilities for spent radioactive material in Armenia, the issues of seismic stability and fault tolerance of the Armenian nuclear power plant, which was built on a seismic fault with insufficient seismic resistance and without a sufficient reserve of stability and duplication of critical systems. A. Khrimyan proposed building a new nuclear power plant in one of the gorges, thus creating a variant of an underground nuclear power plant.

The second important project A. Khrimyan worked on was the project of creating a space sensing service in the Republic of Armenia (RA), an information processing center, and data and polygon databanks - the Cosmosonde Research Institute. The research institute was supposed to allow the use of space monitoring and space mapping to solve a number of issues that are most important for the economy and defense capability of the Republic of Armenia. The Cosmosonde research institute was supposed to receive video information from the satellite’s on-board communications equipment and via ground-based space communications points, and the research institute itself would decrypt the video information and process it. This information would make it possible to control the avalanche and mudflow hazardous regions, data on water and hydropower resources, the fund of forests, gardens and arable land, conduct mineral exploration, and enable the organization of operational and long-term defense of the Republic of Armenia based on space military intelligence. A special focus was the organization of the rescue service of Lake Sevan from impending environmental disasters using space monitoring to monitor water levels, water pollution at various depths, identify sources of pollution, etc.

Wife - Emilia Slobodskaya (Ryshkovskaya), graduated from Moscow Engineering Physics Institute , system programmer, daughter of the famous scientist in the field of railway electrification Isaak Ryshkovsky .

Sons - Maxim Slobodskoy and Armen Khrimyan (Jr.), graduated from YSU Faculty of Physics, theoretical physicists, work as specialists in the field of IT technologies.

Publications

• Mass spectrum of varitrons. Reports of the USSR Academy of Sciences. 1947, volume 58, number 7. Alikhanian A.I., Alikhanov A.I., Morozov V.M., Muskhelishvili G.N., Khrimyan A.V.
• Mass spectrum of varitrons. Journal of experimental and theoretical physics. 1948. Volume 18, Issue 8. Alikhanian A.I., Alikhanov A.I., Morozov V.M., Muskhelishvili G.N., Khrimyan A.V.
• Variety Mass Spectrum II. Reports of the USSR Academy of Sciences. 1948 Volume 61, Number 1. Alikhanian A.I., Alikhanov A.I., Morozov V.M., Khrimyan A.V.
• Investigations of the mass spectrum of varitrons I. Journal of experimental and theoretical physics. 1949. Volume 19, Issue 11. Alikhanyan A.I., Kamalyan V. Sh., Morozov V.M., Muskhelishvili G.N., Khrimyan A.V.
• Regarding the comments of V. N. Kravtsov. Journal of experimental and theoretical physics. 1950. Volume 11. Vaysenberg A. O., Morozov V. M., Khrimyan A. V.
• On the generation of protons of neutral component cosmic radiation. Reports of the USSR Academy of Sciences. 1952. Volume 85, Number 1. A. Khrimyan.
• Generation of penetrating pairs of neutral component cosmic radiation. Reports of the USSR Academy of Sciences. 1954. Volume 94, Number 5. Khrimyan A.V.
• The study of nuclear fission products caused by the neutral component of cosmic radiation. Reports of the USSR Academy of Sciences. 1954. Volume 96, Number 6. Khrimyan A.V.
• The relationship between positive and negative fast Pi mesons generated by nuclear fission. Reports of the USSR Academy of Sciences. 1954. Volume 103, Number 2. Khrimyan A.V.
• On the existence of penetrating pairs. Reports of the USSR Academy of Sciences. 1955. Volume 104, Number 3. Khrimyan A.V.
• Investigation of nuclear fission products caused by fast neutrons in lead. Proceedings of the USSR Academy of Sciences, physical series. 1955. Volume 19, Number 6. Khrimyan A.V.
• Investigation of the nature and spectra of particles generated by high-energy nucleons. Journal of experimental and theoretical physics. 1959. Volume 36, Issue 2. Alikhanov A.I., Eliseev G.P., Lyubimov V.A., Moiseev B.N., Khrimyan A.V., Kamalyan V. Sh.
• Mass measurement of charged particles using scintillation counters. Instruments and experimental technique. 1961. Number 6 Khrimyan A.V., Egiyan K. Sh., Nalbandyan N.A., Avakyan V.V., Karapetyan V.A. [16]
• The composition of the flux of the cosmic ray nuclear-active particles of momenta higher than 1.8 Bev / c at the altitude of 3250 above sea level. Journal of the Physical Society of Japan, 1961. vol 17. Khrimyan AV, Egiyan KS, Nalbandyan NA, Avakyan VV, Pleshko MP
• The composition of the flux of nuclear-active particles of cosmic radiation at an altitude of 3250 meters at sea level in the region of pulses above 1.8 BeV / s. Journal of experimental and theoretical physics. 1962. Volume 42, Issue 3. Khrimyan A.V., Egiyan K. Sh., Nalbandyan N.A., Avakyan V.V., Pleshko M.P.
• The composition of the flux of the cosmic ray nuclear-active particles of momenta higher than 1.8 Bev / c at the altitude of 3250 above sea level. Soviet Physics JETP, 1962, vol 15. Khrimyan AV, Egiyan KS, Nalbandyan NA, Avakyan VV, Pleshko MP
• The composition of the flux of nuclear-active particles of cosmic radiation at an altitude of 3250 meters above sea level. Proceedings of the USSR Academy of Sciences, physical series. 1964 volume 28, number 11. Khrimyan A.V., Avakyan V.V., Pleshko M.P., Khrimyan G.V.
• The nucleation of showers by Pi mesons and protons with momenta of 0.1–20 BEV / s in thin plates of matter. Proceedings of the USSR Academy of Sciences, physical series. 1965, Volume 29, Number 10. Khrimyan A.V., Avakyan V.V., Pleshko M.P., Vartanyan T.G.
• Representation of the functions of ionization energy loss by elementary particles of a simple approximating function. Collection "Cosmic Rays". 1969, number 10. Khrimyan A.V., Koshtoev V.V.
• Scintillation spectrometer for measuring mass and energy spectra of particles. Collection "Cosmic Rays". 1969, number 10. Khrimyan A.V., Koshtoev V.V., Petrosyan M.L., Karapetyan V.A., Kazaryan S.S., Avetyan B.A.
• A new method for the complete identification of elementary particles and light nuclei. Collection "Cosmic Rays". 1970, number 12. Khrimyan A.V.
• Search results for particles with fractional charges (quarks) in cosmic rays. Collection "Cosmic Rays". 1970, number 12. Khrimyan A.V., Avakyan V.V., Khrimyan G.V.
• Selection of the optimal sizes of the telescope and counters of the scintillation spectrometer of mass and energy of cosmic rays. Collection "Cosmic Rays". 1970, number 12. Khrimyan A.V., Koshtoev V.V.
• On the possibility of creating a coordinateless scintillation spectrometer of mass and energy of cosmic rays. Collection "Cosmic Rays". 1970, A. Khrimyan, V. V. Koshtoev, T. G. Vartanyan
• SILA-4 light nucleus isotope spectrometer for studying cosmic rays outside the Earth’s atmosphere. Proceedings of the USSR Academy of Sciences, physical series. 1978, Volume 42, Number 5. Khrimyan A. V., Avakyan V. V., Khrimyan G. V., Nalbandyan N. A., Vartanyan T. G., Mkrtchyan M. Zh. ^[16]

All-Union Conferences and Meetings on the Physics of High Energy Particles and Cosmic Rays

• On the existence of penetrating pairs. Abstracts of the All-Union Conference on High Energy Particle Physics. Moscow May 14-22, 1956 Khrimyan A.V.
• Study of the K-Pimeson spectra generated by nucleons of cosmic radiation at an altitude of 3200 meters. Abstracts of the All-Union Conference on High Energy Particle Physics. Moscow May 14-22, 1956 Eliseev G.P., Lyubimov V.A., Moiseev B.N., Khrimyan A.V., Kamalyan V. Sh., Kanavets V.P.
• On measuring the masses of charged particles using scintillation counters. Abstracts of the All-Union Conference on Cosmic Ray Physics. Borjomi. Yerevan. Publishing House of the USSR Academy of Sciences. 1961. Khrimyan A. V., Egiyan K. Sh., Nalbandyan N. A., Avakyan V. V., Karapetyan V. A.
• On measuring the masses of low-intensity groups of particles using various methods. Abstracts of the All-Union Conference on Cosmic Ray Physics. Borjomi. Yerevan. Publishing House of the USSR Academy of Sciences. 1961. Khrimyan A. V., Egiyan K. Sh., Nalbandyan N. A., Avakyan V. V., Karapetyan V. A.
• The composition of the flux of nuclear-active radiation particles at an altitude of 3250 meters at sea level in the region of pulses above 1.8 BeV / s. Proceedings of the USSR Academy of Sciences, physical series. Proceedings of the All-Union Conference on Cosmic Ray Physics of 1961. Publication 1962 Volume 26, Number 6. Khrimyan A.V., Egiyan K. Sh., Nalbandyan N.A., Avakyan V.V., Pleshko M.P.
• On measuring the masses of charged particles using scintillation counters. Proceedings of the USSR Academy of Sciences, physical series. Proceedings of the All-Union Conference on Cosmic Ray Physics of 1961. Publication 1962 Volume 26, Number 6. Khrimyan A.V., Egiyan K. Sh., Nalbandyan N.A., Avakyan V.V., Karapetyan V.A.
• On measuring the masses of low-intensity groups of charged particles using various methods. Proceedings of the USSR Academy of Sciences, physical series. Proceedings of the All-Union Conference on Cosmic Ray Physics of 1961. Publication 1962 Volume 26, Number 6. Khrimyan A.V., Egiyan K. Sh., Nalbandyan N.A., Avakyan V.V., Karapetyan V.A.
• The composition of the flux of nuclear-active particles of cosmic radiation at an altitude of 3250 meters at sea level. Proceedings of the USSR Academy of Sciences, physical series. Proceedings of the All-Union Conference on Cosmic Ray Physics of 1963. Published in 1964, volume 28, number 11. Khrimyan A.V., Avakyan V.V., Pleshko M.P., Khrimyan G.V.
• The nucleation of showers by P-mesons and protons with momenta of 0.1–20 BEV / s in thin plates of matter. Proceedings of the USSR Academy of Sciences, physical series. Proceedings of the All-Union Conference on Cosmic Ray Physics, Apatity, 1964. Published in 1965, volume 29, number 10. Khrimyan A. V., Avakyan V. V., Vartanyan T. G.
• The result of a search for quarks and anti-protons in cosmic rays at an altitude of 3200. Abstracts of the All-Union Conference on Cosmic Ray Physics. Alma-Ata 1966. Publishing House of the USSR Academy of Sciences. Part 1: nuclear physics. Khrimyan A.V., Avakyan V.V., Khrimyan G.V. [17]
• On the resolution of stereophotogrammetric systems. Abstracts of the All-Union Conference on Cosmic Ray Physics. Alma-Ata 1966. Publishing House of the USSR Academy of Sciences. Part 1: nuclear physics. Khrimyan A.V., Pleshko M.P.
• Selection of optimal telescope thicknesses and scintillation spectrometer counters for mass and cosmic ray energy. Abstracts of the All-Union Conference on Cosmic Ray Physics. Alma-Ata 1966. Publishing House of the USSR Academy of Sciences. Part 1: nuclear physics. Khrimyan A.V., Koshtoev V.V.
• A new method for the complete identification of elementary particles and light nuclei. Abstracts of the All-Union Conference on Cosmic Ray Physics. Alma-Ata 1966. Publishing House of the USSR Academy of Sciences. Part 1: nuclear physics. Khrimyan A.V.
• On the possibility of creating a coordinateless scintillation spectrometer of mass and energy of cosmic rays. Abstracts of the All-Union Conference on Cosmic Ray Physics. Alma-Ata 1966. Publishing House of the USSR Academy of Sciences. Part 1: nuclear physics. Khrimyan A.V., Koshtoev V.V., Vartanyan T.G.
• The use of various characteristics of current pulses to obtain electric sleep and anesthesia. Materials of the All-Union Symposium on the problems of electric sleep and electric anesthesia, dedicated to the 20th anniversary of electric sleep. 1966, Moscow, Publishing house of the Ministry of Health of the USSR. Stamboltsyan R.P., Khrimyan A.V., Poghosyan Sh. G.
• Search for quarks with single and fractional charges in cosmic rays at an altitude of 3200. Izvestiya AN SSSR, physical series. Proceedings of the All-Union Conference on Cosmic Ray Physics 1965 Published 1966, Volume 30, Number 10. Khrimyan A.V., Avakyan V.V., Khrimyan G.V.
• On the technique and technique of electric sleep. The first republican scientific and practical conference on the implementation of the results of research methods in medical practice. 1966, Yerevan. Stamboltsyan R.P., Khrimyan A.V., Poghosyan Sh. G.
• Scintillation spectrometer for measuring the isotopic composition of hydrogen (and helium) nuclei in primary cosmic rays. Abstracts of the All-Union Conference on Cosmic Ray Physics. Novosibirsk 1967, Moscow. Khrimyan A.V.
• On the value of the threshold of sensitivity to current of various parameters during electrosleep and electroanesthesia. Materials of the symposium on the study of the features of sleep and transitional states of man as applied to the tasks and conditions of space flight. 1968, Moscow, USSR Academy of Sciences. Stamboltsyan R.P., Khrimyan A.V., Poghosyan Sh. G.
• Studies of the energy spectra of the light nuclei of galactic cosmic rays and nature (excess radiation) at an altitude of 350 km in the deep minimum of solar activity in 1975. Proceedings of the symposium soc. countries in the upper atmosphere, ionosphere and magnetosphere. 1981, Moscow publishing house AN USSR. Khrimyan A.V. et al.
• Quasi-captured nuclei in near-Earth space and energy spectra of light nuclei of galactic cosmic rays in a minimum of solar activity 1975-76. Proceedings of the All-Union Conference on Cosmic Rays 1981. publishing house of the USSR Academy of Sciences. Khrimyan A.V. et al.
• SILA-4 automatic light isotope spectrometer for the study of galactic, solar cosmic rays and quasi-trapped radiation in near-Earth space. Proceedings of the Sixth Scientific Readings on Cosmonautics. USSR Academy of Sciences Publishing House, 1982 (Khrimyan A.V., Nalbandyan N.A., Avakyan A.A., Khrimyan G.V., Vartanyan T.G., Mkrtchyan M. Zh.
• Energy spectra of protons and nuclei of helium of galactic cosmic rays in a deep minimum of solar activity in 1975. Proceedings of the seventh scientific readings in astronautics, Volume "Space Physics", USSR Academy of Sciences, 1982, Khrimyan A. V., Nalbandyan N. A., Avakyan A.A., Khrimyan G.V., Vartanyan T.G., Mkrtchyan M.Zh., Sevastyanov V.I., Klimuk P.I., Demchenko E.K., Perkut V.G.
• Detection of quasi-captured protons with energies of 250-500 MEV in near-Earth space at altitudes of 300-500 km. Proceedings of the Seventh Scientific Readings on Cosmonautics, Volume "Space Physics", USSR Academy of Sciences Publishing House, 1982 Khrimyan A.V., Nalbandyan N.A., Avakyan A.A., Khrimyan G.V., Vartanyan T.G., Mkrtchyan M. Zh., Sevastyanov V.I., Klimuk P.I., Demchenko E.K., Perkut V.G.

Cosmic Ray International Conferences

• Research into the nature and spectra of particles produced by high energy nucleons. International Cosmic Ray Conference, Moscow, 1959. Alikhanov AI, Khrimyan AV, Kosmachevsky VK, Avakyan VV, Egiyan KS, Korotkov Yu.P., Nalbandyan NA
  • Investigation of the nature and spectra of particles generated by high-energy nucleons. Proceedings of the International Conference on Cosmic Rays, USSR, Moscow 1959 Publishing House of the USSR Academy of Sciences, 1960, volume 1. Alikhanov A.I., Khrimyan A.V., Kosmachevsky V.K., Avakyan V.V., Gorodkov Yu.V. ., Egiyan K. Sh., Nalbandyan N.A.
• The composition of the flux of the cosmic ray nuclear-active particles of momenta higher than 1.8 Bev / c at the altitude of 3250 above sea level. International Conference of Cosmic Rays and the Earth Storm, Kioto, Japan, 1961. Khrimyan AV, Egiyan KS, Nalbandyan NA, Avakyan VV, Pleshko MP
  • The composition of the flux of nuclear-active particles of cosmic radiation in the region of pulses above 1.8 BEC / s at an altitude of 3250 meters at sea level. International Conference on Cosmic Ray Physics, Japan, Kyoto, 1961 Khrimyan A.V., Egiyan K. Sh., Nalbandyan N.A., Avakyan V.V., Pleshko M.P.

• Method for measuring the mass of charge particles by means of scintillation counters. Conference of Cosmic Rays and the Earth Storm, Kioto, Japan, 1961. Khrimyan AV, Egiyan KS, Nalbandyan NA, Avakyan VV, Karapetyan VA
  • On measuring the masses of charged particles using scintillation counters. International Conference on Cosmic Ray Physics, Japan, Kyoto, 1961 A. Khrimyan, K. Sh. Yeghiyan, N. A. Nalbandyan, V. V. Avakyan, V. A. Karapetyan
• About the measurement of masses of charged particles of less intensive groups by means of various methods. Conference of Cosmic Rays and the Earth Storm, Kioto, Japan, 1961. Khrimyan AV, Egiyan KS, Nalbandyan NA, Avakyan VV, Karapetyan VA
  • On measuring the masses of low-intensity groups of charged particles using various methods. International Conference on Cosmic Ray Physics, Japan, Kyoto, 1961 A. Khrimyan, K. Sh. Yeghiyan, N. A. Nalbandyan, V. V. Avakyan, V. A. Karapetyan
• Composition of cosmic radiation flux of nuclear active particles at 3250 m above sea level. International conference of cosmic ray. Jaipur, India, 1963. Khrimyan AV, Avagyan AA, Khrimyan GV, Pleshko MP
  • The composition of the flux of nuclear-active particles of cosmic radiation at an altitude of 3250 meters above sea level. International Conference on Cosmic Ray Physics, India, Jaipur, 1963 Khrimyan A.V., Avakyan V.V., Pleshko M.P., Khrimyan G.V.
• The production of the showers by pions and protons with momentum 0.1-20 Bev / c in thin plates. 9th International Conference of Cosmic Rays, London, 1965. Khrimyan AV, Avagyan AA, Pleshko MP, Vartanyan TG
  • The nucleation of showers by P-mesons and protons with momenta of 0.1–20 BEV / s in thin plates of matter. International Conference on Cosmic Ray Physics, London, London, 1965 A. Khrimyan, V. V. Avakyan, M. P. Pleshko, T. G. Vartanyan
• The composition of the nuclear active particles at the attitude of 3250 above sea level. 9th International Conference of Cosmic Rays, London, 1965. Khrimyan AV, Avagyan AA, Pleshko MP, Khrimyan GV,
  • The composition of nuclear-active particles of cosmic radiation at an altitude of 3250 meters at sea level. International Conference on Cosmic Ray Physics, London, England, 1965 Khrimyan A.V., Avakyan V.V., Pleshko M.P., Khrimyan G.V.
• Problems of electo-sleep and electro-anestesy. Electrotherapeutic Sleep and Electroanesthesia. First International Symposium. Gratz, Austria, 1966. Stambolcyan RP, Chrimyan AV, Pogosyan SG
  • Some questions on the study of electric sleep and electron anesthesia. The first international symposium on therapeutic electrosleep and electro-anesthesia. Graz, Austria, 1966 Stamboltsyan R.P., Khrimyan A.V., Poghosyan Sh. G.
• The spectra of galactic cosmic rays Proton and helium nuclei of rigidics above 0.6 GV in the minimum of solar activity of 1975. 16th international Cosmic Ray Conference, Kioto, Japan, 1979. Khrimyan AV, Nalbandyan NA, Avagyan AA, Khrimyan GV, Vartanyan TG, Mkrtchyan M. Dg., Petrov NM, Demchenko EK, Sevastianov VI, Klimuk PI [18]
• The instruments for the investigation of chemical and isotopic component of light nuclei of cosmic rays. 16th international Cosmic Ray Conference, Kioto, Japan, 1979. Khrimyan AV, Nalbandyan NA, Avagyan AA, Khrimyan GV, Vartanyan TG, Mkrtchyan M. Dg. [nineteen]
• Energy spectra of protons and helium nuclei of galactic cosmic rays in the deep minimum of solar activity 1975. 7th European Cosmic Ray Symposium. Leningrad, 1980, publishing house of the USSR Academy of Sciences . Khrimyan A. V., Nalbandyan N. A., Avakyan A. A., Khrimyan G. V., Vartanyan T. G., Mkrtchyan M. Zh. [20]
• Energy spectrum of protons and Helium nuclei of galactic cosmic rays during the deep minimum of solar activity of 1975. XXIII COSPAR , Budapest, 1980. Khrimyan AV et al.
• Excess radiation at the altitude of 300-400 km during the solar activity minimum of 1975 at the orbital station "Salut-4". XXIII COSPAR , Budapest, 1980. Khrimyan AV et al.
• On the existence of a belt of quasi-captured protons with energies from 250–500 MEV at heights of 300–400 km. Abstracts of the 19th international conference on cosmic rays. 1985 A. Khrimyan
• Satellite investigation of the energy spectra of light nuclei of the galactic cosmic rays at the altitude of 350 km in deep minimum of the solar activity 1975-1976 and during 1985-1986. Khrimyan AV [21]
  • Satellite studies of the energy spectra of light nuclei of galactic cosmic rays at an altitude of 350 km in a deep minimum of solar activity 1975-77. Proceedings of the 20th International Conference on Cosmic Rays, Moscow, 1987. Nauka Publishing House 1987, Volume 3