31 pages matching positive-ion in this book
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cylinder ionization chamber p 96 4 20 Pulse differentiation in propor
particle relations p 15 2 5 The Bragg curve p 16 2 6 Rangeenergy
13 other sections not shown
a-particles accurate alcohol amplifier argon assumed atoms avalanche behaviour bias curve calculation cathode clipping cm./sec coaxial cylinder chamber coincidence collecting electrode collision considerable constant counting rate current chambers depends devices differentiation diffusion discharge discussed distribution drift velocity effect electron avalanches electron capture electron collection electron energy electron mobility electronegative fast field formed function gas amplification Geiger counter geometry give given gridded chamber heavy negative ions hydrogen important impurity increase initial electrons initial ionization insulators ion pairs ionization chamber ionization potential ionizing particle log bja loss maximum measured mobility molecules neutron noble gas number of ion parallel-plate chamber particle energy plateau polonium positive ions positive-ion pressure probability proportional counter proton pulse height pulse length pulse profile range range-energy relation ratio seen sheath shown in fig space charge spurious stopping power straggling tion track usually valve noise velocity voltage wire wire chamber Xjp values