TY - JFULL AU - Alexander B. Bichkov and Valery V. Smirnov PY - 2013/12/ TI - Evaluation of Total Cross Section of Photo-Ionization of Helium in Weak Field on Base of Trajectory Method T2 - International Journal of Physical and Mathematical Sciences SP - 1555 EP - 1558 VL - 7 SN - 1307-6892 UR - https://publications.waset.org/pdf/17248 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 83, 2013 N2 - Total cross section of helium atom photo-ionization by weak short pulse is calculated using the variant of trajectory method, developed in our earlier work. The method enables simple estimation of total ionization probability (or cross section) without integration of differential one. ER -