Processing of very high energy proton events with using new method of searching for primary cosmic rays in Emulsion Chamber (on RUNJOB experiment data)

The primary proton tracks are identified in about half of events referred to proton ones in the Russian-Japanese balloon-born emulsion chamber RUNJOB experiment. Reprocessing of experimental data obtained in long-term exposure of RUNJOB-3B, 6A, 11A, 11B emulsion chambers (EC) with new method for searching of the primary cosmic particles leads to confirm that as well as earlier single charged primary tracks are not found in about half of events referred to the proton ones with energy E0 > 20 TeV and zenith angle tg(θ) ≤ 5. In this paper the new method for searching and tracing of the primary cosmic particles in EC's and characteristics of studied events (energy, angle, pass length of the primary particles until their interaction in EC) are presented.