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SUMMARY:Verification of charge sign for high-energy particles measured by 
 magnetic tracking system of PAMELA spectrometer
DTSTART;VALUE=DATE-TIME:20161011T121500Z
DTEND;VALUE=DATE-TIME:20161011T124500Z
DTSTAMP;VALUE=DATE-TIME:20260720T225515Z
UID:indico-contribution-511@cern.ch
DESCRIPTION:Speakers: Andrey Mayorov (National Research Nuclear University
  MEPhI)\nAnalysis of experimental data of primary positrones and antiproto
 ns fluxes obtained by PAMELA\nspectrometer\, recently confirmed by AMS-02 
 spectrometer\, for some reasons shows big interest to the\nhigh energies\,
  which are more than 100 GeV. In this work we present a method for identif
 ication of\nhigh-energy antiprotons on a background of imitating them prot
 ons due to finite instumental\nresolution for high energies (so-called spi
 llover). We base our approach on computing a set of\ndistinctive features 
 represented by differently computed rigidities and training AdaBoost\nclas
 sifier\, which shows good classification accuracy of 89% for rigidity up t
 o 1000 GeV.\n\nhttps://indico.particle.mephi.ru/event/4/contributions/511/
LOCATION:Milan Hotel Hall of the 2nd floor
URL:https://indico.particle.mephi.ru/event/4/contributions/511/
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