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Sep 2, 2020 at 20:08 vote accept OD IUM
Sep 2, 2020 at 19:28 vote accept OD IUM
Sep 2, 2020 at 20:08
Sep 1, 2020 at 19:18 comment added OD IUM "Instead, it is the average time required for an electron to scatter through an angle of 90°." - I did not know this. But it makes sense. Thank you for clarification.
Sep 1, 2020 at 18:17 history answered J. Murray CC BY-SA 4.0