On the Origin of Primary Cosmic Radiation

概要

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At first it is illustrated that two important empirical facts concerning primary cosmic radiation, i.e., (i)the similarity of energy spectra expressed with respect to kinetic energy per nucleon of various nuclei independent of their charge numbers and(ii)fairly abundant existences of heavier nuclei, will not be able to be explained by and acceleration mechanisms. And it is shown that(i)and (ii)can be understood only if one assumes a new type of element formation, according to which, from the nucleon gas of extremely high temperature(≈10^<1〓o>K)and pressure, various atomic nuclei are created with energy spectra N(ε)=C exp{-(1+ε)/kT}(ε:kinetic energy per nucleon)and with ratio C_p:C_α:C_<ONO>:C_<z>10>=10:1:1/20:1/60. Physical inevitability with which this assumption is introduced and its physical significance are discussed. The theory itself of element formation of such a type, however, is not touched but only it is pointed out that the introduction of such an assumption is strongly required from present knowledges concerning primary cosmic ray particles.
理論物理学刊行会の論文