press release #32
Participation of the Armenian Delegation in the 31-st All- Russian conference on cosmic rays, July 5-9, 2010, Moscow, MSU
The conference concurred with memorable
dates, to which special sessions were devoted:
100-year anniversary of Sergei Nikolaevich Vernov, 50 years after the discovery
of the “knee” in energy spectrum of cosmic rays, A session devoted to the
memory of recently passed Georgi Timofeevich Zatsepin.
The scientific council of Russian Academy of Science on the problem of cosmic rays considered the “The perspectives of
cosmic ray research” and appointed as council chairman Mikhail Igorevich
Panasyuk, director of
Institute of Nuclear Physics of Moscow State University (SINP MSU).
Many centers of cosmic ray physics in Russia have overcome the crisis
of the last 20 years and developed research programs in the fields where the USSR had
traditionally very strong positions. The experiment leaders submit development projects
for the next five years, including:
-
Kuzmichev, SINP MSU Тунка-133
-
E. G. Berezhko, The Yakut Institute of Cosmophysical Research and Aeronomy SB RAS«The Yakutsk EAS facility»
-
I.I. Yashin, National "MEPhI" Experiment «NEVOD-DEKOR»,
-
A. P. Chubenko, P.N. Lebedev Physical Institute of the Russian Academy of Sciences «Tian-Shan complex ATLET»
The Russian physicists actively participate in large international experiments, among which noteworthy are the experiments «PAMELA» and
«Telescope Array».
Reports of the Armenian physicists were devoted to the acceleration of electrons in thunder clouds, which attracted the attention of the physics community in connection with the registration of so called . Terrestrial gamma ray flares (TGF), registered by orbital gamma telescopes from the Earth direction. The estimations of distance of these flares’ sources indicated on the tops of the thunder clouds and arouse the problem of additional particle
flux registration on mountain altitudes. The Armenian physicists have successfully handled this task on the high altitude Aragats station and presented 4 reports
proving the phenomenon of electron acceleration up to 50MeV energies in thunderstorm
atmosphere:
A. Chilingarian/em>
Registration of fluxes from thunder clouds
on Aragats
B. Mailyan, A. Chilingarian
Electron and gamma quantum spectra connected with the thunderstorms measured on Aragats
A. Hovhannisyan, A. Chilingarian
The statistical analysis of time series increases in secondary cosmic rays,
registered at mountain level.
L. Vanyan, A. Chilingarian
Modeling of the electron-photon avalanches in thunder clouds. The electron and gamma quantum
spectra research under different values of electric field and height.
When discussing the
cooperation possibilities the Russian physicists made several suggestions,
including:
LPI RAS
suggested “Underground horizontal ionizing-neutron calorimeter –as “parmeter” for
Aragats”,
MEPHI: «Installation
of muon hodoscopes “URAGAN” on Aragats”,
SINP MSU : «Installation of observation systems for transient
optical effects in thunder clouds on Aragats”
A. M. Galper suggested that the CRD should participate in currently developed project of orbital gamma telescope GAMMA-400
Figure 2. CRD PHD students at the Trtyakovski gallery hall of the ancient Russian
art
The
electronic version of the proceedings of the conference is available from:
http://crd.yerphi.am/files/31_vkkl/start.html.
The slides of presentations are available from the conference site:http://cr2010.sinp.msu.ru/main-2
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