3-11 July 2007
Merida, Mexico
Mexico/General timezone
- icrc2007@icrc2007.unam.mx
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Contribution Oral (WITHDRAWN)
Abstract content
Earlier we proposed that the steepening of the energy spectrum of primary cosmic rays beyond the knee could be due to the mass distribution of progenitors of cosmic ray source. Here we have shown that the proposal works well if cosmic rays of energies below the ankle of the spectrum are accelerated in a single type of source by ultra relativistic shock waves.