All news for October 21, 2010

  • First Forbush decrease of the 24th Solar Activity Cycle registered by Aragats Neutron Monitors (Oct 21, 2010)
    After long absolutely calm period, Sun started to presentfirst signs of activity.  A shock detected by the Ace Spacecraft at 3August indicated the arrival of at least one CME (Coronal Mass Ejection) causedby the long duration C3 flare on August 1.     Figure 1. Extreme ultraviolet snapshot from the Solar Dynamics Observatory (SDO) showsthe...
  • Aragats physicists publish an important discovery about thunderstorms (Oct 21, 2010)
    Cosmic Ray research on Mt. Aragats started in 1943 by the physicists Artem and Abraham Alikhanians. Since then researches at the Cosmic Ray Division (CRD) of the Alikhanyan National Laboratory have continued at two high altitude research stations: on Mt. Aragats, as well as the headquarters in Yerevan. CRD is one of the world's largest institutions investigating many...
  • First scientific publication from LHC 7 TeV run appears in Phys. Rev. Letters! (Oct 21, 2010)
    Since 1995 group from Yerevan Physics Institute headed by Albert Sirunyan participates in the preparation of the Compact Muon Solenoid (CMS ) experiment. YerPhI group was involved in the detectors design and construction, data analysis software development as well as in test beam data taking & analysis. Now the group actively participate in the ongoing LHC physics...
  • Participation of the Armenian Delegation in the 31-st All- Russian conference on cosmic rays,... (Oct 21, 2010)
    The conference concurred with memorabledates, to which special sessions were devoted: 100-year anniversary of Sergei Nikolaevich Vernov,  50 years after the discoveryof the “knee” in energy spectrum of cosmic rays,  A session devoted to the memory of recently passed Georgi Timofeevich Zatsepin. The scientific council...
  • Birthday of A.I. Alikhanyan (Oct 21, 2010)
    On June 24 the 102 anniversary of YerPhI first director Artem Alikhanian the emeritus and present employees of YerPhI celebrated laying flowers to his monument. The day became remarkable with another important event: RA government publicized the June 17 decision on transformation of the “A. I. Alikhanian Yerevan Physics institute” into “A. I. Alikhanian...
  • The Alikhanyan National Lab Makes Another Step in the Isotope Production Activities (Oct 21, 2010)
    Duringspring 2010 a new metallic cathode with high emission properties has beeninstalled in an electron gun of 40 MeV linear accelerator (Linac, usedpreviously as injector for the 6 GeV electron synchrotron). The first testsdemonstrated the   high quality of theelectron beam parameters (Electron current I e ~10 μ A , Electron maximal energy E e =40 MeV , beam spot...
  • CRD Provides Daily Information from Aragats (Oct 21, 2010)
    The newly initiated “Aragats today” page in CRD home site provides current information on the Aragats mountain meteorological  conditions and  Aragats Space Environmental Center (ASEC ) operation. In the new page you can find recent meteorological observations including investigations of position and type of clouds overhead,  ...
  • A reportage devoted to YerPhI (Oct 21, 2010)
    The “Hraparakum” program on H1 TV station shot a footage about the Yerevan Physics institute. The program referred to the overall history, highlighted the achievements and rendered to the perspectives of YerPhI. The footage was shot both in the YerPhI Yerevan headquarters and in Aragats high altitude station. The correspondents mounted to the station...