Difference between revisions of "TTalks"
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[[File:avalanche.gif|250px]] | [[File:avalanche.gif|250px]] | ||
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| + | "In a proportional counter, many electrons (10 - 10,000) reach the anode for each primary ion pair produced in the gas. The reason is that the electron of each primary ion pair '''creates''' further "secondary" ion pairs as it gets close to the anode. These secondary ion pairs are produced in what is called an avalanche." [http://www.orau.org/ptp/collection/proportional%20counters/introprops.htm] | ||
[http://wiki.iac.isu.edu/index.php/User_talk:Tamar Go Back] | [http://wiki.iac.isu.edu/index.php/User_talk:Tamar Go Back] | ||
Revision as of 22:44, 3 December 2009
Media:MiniPrototypeDC_talk_12-03-09.pdf
"In a proportional counter, many electrons (10 - 10,000) reach the anode for each primary ion pair produced in the gas. The reason is that the electron of each primary ion pair creates further "secondary" ion pairs as it gets close to the anode. These secondary ion pairs are produced in what is called an avalanche." [1]