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Träfflista för sökning "WFRF:(Boezio Mirko) "

Search: WFRF:(Boezio Mirko)

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  • Avdeev, S. V., et al. (author)
  • Preliminary results of studying the effect of heavy charged particles on the human central nervous system in experiments SilEye and Alteino
  • 2005
  • In: Bulletin of the Russian Academy of Sciences: Physics. - 1062-8738. ; 69:3, s. 512-514
  • Journal article (peer-reviewed)abstract
    • A series of experiments were carried out in the period 1995 to 2002 to study the phenomenon of light flashes (LFs) which arose in the eyes of astronauts. These experiments were made onboard the Mir orbital station (SilEye, SilEye-2) and on the Russian segment of the International Space Station (SilEye-3/Alteino). As a result of investigation it is reliably demonstrated that the majority of light flashes under conditions of a space flight are caused by nuclei of cosmic rays. Electric signals from brain, recorded during LF occurrence, were an important final result of these studies.
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3.
  • Boezio, Mirko, et al. (author)
  • The electron-hadron separation performance of the PAMELA electromagnetic calorimeter
  • 2006
  • In: Astroparticle physics. - : Elsevier BV. - 0927-6505 .- 1873-2852. ; 26:2, s. 111-118
  • Conference paper (peer-reviewed)abstract
    • A silicon-tungsten sampling imaging calorimeter has been designed and built for thePAMELA satellite-borne experiment. The main physics goals of the experiment are themeasurement of the flux of antiprotons (80 MeV-190 GeV) and positrons (50 MeV-270 GeV) in the cosmic radiation. The calorimeter has been designed to identify antiprotons from an electron background and positrons in a background of protons with a high efficiency and rejection power. This work presents the electron-hadron separationcapabilities of the calorimeter as obtained using both Monte Carlo and test beam data.The calorimeter is found to have sufficient performance to reach the primary scientific objectives of PAMELA, providing a proton rejection factor of ∼105 while keeping a ∼90% efficiency in selecting electrons and positrons. From simulations, an electron rejection factor of ∼105 in antiproton measurements (∼90% antiproton identification efficiency) is demonstrated. 
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