• The flux of primary cosmic ray nuclei of atomic numberZ⩾2 at geomagnetic latitude 30°

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    • Keywords


      Atomic Number; Track Length; Geomagnetic Latitude; Lower Hemisphere; Density Interval

    • Abstract


      The method of determining the primary flux of nuclei with atomic number Z⩾3 developed by Bradt and Peters, has been extended to include all nuclei of charge Z⩾2. It is shown that the method permits the identification of primary helium nuclei with an efficiencyν⩾90%. The primary α-particle flux obtained in this way is in very good agreement with that obtained by other methods and the relative flux values for nuclei of atomic number 3⩽Z⩽5 and 6⩽Z⩽9 agree with previous determinations.

    • Author Affiliations


      B Peters1

      1. Tata Institute of Fundamental Research, Bombay
    • Dates


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