THE BPD ENERGETIC PARTICLE DETECTOR AS PART OF THE SOLAR X-RAY PHOTOMETER ChemiX FOR THE “INTERHELIOPROBE” INTERPLANETARY MISSION von Dudnik, O. V., Kurbatov, E. V., Zajtsevsky, I. L., Sylwester, J., Siarkowski, M., Kowaliński, M., Pоdgórski, P.