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James Van Allen journal, 1951?-December 1954
Page 92
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{j x (10 exponent 4)} {T=55 degrees} {T=41 degrees} { T=30 degrees} {T=0 degrees} ------------------------------------------------------------------------- {Nucleons (total, at epsilon corres- ponding to proton (not quite right way to read))} { 2800 } { 960 } { 530 } { 270 } {Protons} { 1900 } { 710 } { 410 } { 220 } {alpha [?]} { 290 } { 120 } { 52 } { 26 } { C, N, O} { 15 } { 6 } { 2.8 } { 1.4 } { Z>10 } { 5.5 } { 2.3 } { 1.0 } { 0.5 } ---------------------------------------------------------------------- A few values picked off range energy curve in Al in (gm/(cm exponent 2)) for various nuclei. ----------------------------------------------------------------------- {element} {50 epsilon mev/nucleon} {100 epsilon mev/nucleon} {500 epsilon mev/nucleon} {1000 epsilon mev/nucleon} {5000 epsilon mev/nucleon} {10,000 epsilon mev/nucleon} ----------------------------------------------------------------------- {((H sub 1) exponent 1) or (He sub 4)} { 3.0 } { 10 } { 145 } { 400 } { 2800 } { 5500 } {((C sub 12) exponent 6)} { 0.97 } { 3.2 } { 49 } { 130 } { 900 } { 1800 } {((Si sub 28) exponent 14){ 0.42 } { 1.4 } { 21 } { 58 } { 395 } { 780 } {((Fe sub 56) exponent [24?])} { 0.24 } { 0.8 } { 12 } { 33 } { 220 } { 450 } ----------------------------------------------------------------------
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{j x (10 exponent 4)} {T=55 degrees} {T=41 degrees} { T=30 degrees} {T=0 degrees} ------------------------------------------------------------------------- {Nucleons (total, at epsilon corres- ponding to proton (not quite right way to read))} { 2800 } { 960 } { 530 } { 270 } {Protons} { 1900 } { 710 } { 410 } { 220 } {alpha [?]} { 290 } { 120 } { 52 } { 26 } { C, N, O} { 15 } { 6 } { 2.8 } { 1.4 } { Z>10 } { 5.5 } { 2.3 } { 1.0 } { 0.5 } ---------------------------------------------------------------------- A few values picked off range energy curve in Al in (gm/(cm exponent 2)) for various nuclei. ----------------------------------------------------------------------- {element} {50 epsilon mev/nucleon} {100 epsilon mev/nucleon} {500 epsilon mev/nucleon} {1000 epsilon mev/nucleon} {5000 epsilon mev/nucleon} {10,000 epsilon mev/nucleon} ----------------------------------------------------------------------- {((H sub 1) exponent 1) or (He sub 4)} { 3.0 } { 10 } { 145 } { 400 } { 2800 } { 5500 } {((C sub 12) exponent 6)} { 0.97 } { 3.2 } { 49 } { 130 } { 900 } { 1800 } {((Si sub 28) exponent 14){ 0.42 } { 1.4 } { 21 } { 58 } { 395 } { 780 } {((Fe sub 56) exponent [24?])} { 0.24 } { 0.8 } { 12 } { 33 } { 220 } { 450 } ----------------------------------------------------------------------
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