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James Van Allen journal, 1951?-December 1954

Page 34

H. L. Brandt and B. Peters
Phys Review 77, page 54 (1950)

{ lambda } { Z=2 } { 6<=Z<=10 } { Z>10 } { 11<=Z<=15 , 60% , Z=26 (10%) }
-------------------------------------------------------------------------
{ 55 degrees } {  -  } { 1.1+-0.2 } { 0.30+-0.1 } {     }

{ 55 degrees } { 38+-13 } { 1.2+-0.3 } { 0.35+-0.07 } {     }

{ 55 degrees } { 9+-3 } { 0.35+-0.06 } { 0.10+-0.03 } {     }

Tabular values are ((10 exponent 3)(I sub 0)) -- [ ((10 exponent 3) nuclei) / ((cm exponent 2) second [sterad?]) ]

Taking 450 particles / square meter at ( lambda = 30 degrees )

H : He : C, N, O : Z>10 = 4000 : 1000 : 35 : 10
--------------------------------------------------------------------
E. P. Ney, F. Oppenheimer, and Phyllis Freier
Paper #59, page 229, Proceedings of the Echo Lake Cosmic Ray Symposium, June 23 to 28, 1949.

{     } { lambda=55 degrees } {     }
----------------------------------------------
{  Protons  } { 0.1400 } { 4000 }
{    alpha    } { 0.0300 } {  860  }
{   C, N, O  } { 0.0011 } {   31   }
{     Z>10   } { 0.00025 } {    7   }
{ electrons } { <0.0005 } {  14   }

{ lambda=30 degrees } {     }
----------------------------------------------
{ 4000 } {      H      }
{ 1000 } {     He     }
{   35   } { C, N, O }
{   10   } {   Z>10   }
{     ?   } {       ?      }

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H. L. Brandt and B. Peters Phys Review 77, page 54 (1950) { lambda } { Z=2 } { 6<=Z<=10 } { Z>10 } { 11<=Z<=15 , 60% , Z=26 (10%) } ------------------------------------------------------------------------- { 55 degrees } { - } { 1.1+-0.2 } { 0.30+-0.1 } { } { 55 degrees } { 38+-13 } { 1.2+-0.3 } { 0.35+-0.07 } { } { 55 degrees } { 9+-3 } { 0.35+-0.06 } { 0.10+-0.03 } { } Tabular values are ((10 exponent 3)(I sub 0)) -- [ ((10 exponent 3) nuclei) / ((cm exponent 2) second [sterad?]) ] Taking 450 particles / square meter at ( lambda = 30 degrees ) H : He : C, N, O : Z>10 = 4000 : 1000 : 35 : 10 -------------------------------------------------------------------- E. P. Ney, F. Oppenheimer, and Phyllis Freier Paper #59, page 229, Proceedings of the Echo Lake Cosmic Ray Symposium, June 23 to 28, 1949. { } { lambda=55 degrees } { } ---------------------------------------------- { Protons } { 0.1400 } { 4000 } { alpha } { 0.0300 } { 860 } { C, N, O } { 0.0011 } { 31 } { Z>10 } { 0.00025 } { 7 } { electrons } { <0.0005 } { 14 } { lambda=30 degrees } { } ---------------------------------------------- { 4000 } { H } { 1000 } { He } { 35 } { C, N, O } { 10 } { Z>10 } { ? } { ? }