TY - JOUR AU - P. Bhattacharyya PY - 2014/10/01 Y2 - 2024/03/29 TI - Geometrical Ray Tracing of Ion-Trajectories for an Astigmatic Sector Focused Beta Ray Spectrograph JF - Defence Science Journal JA - DSJ VL - 21 IS - 4 SE - General Papers DO - 10.14429/dsj.21.6293 UR - https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6293 AB - This paper describes the path of charged particular in inhomogeneous fields, having information of magnetic field at every point, and adapts the methods for a high transmission double focusing spectrometer intended to enable focusing and selection of positrons for the measurement of Bhabha's exchange parameter using position electron scattering. ER -