poisson

poisson - Experiments in Modern Physics Introductory Lab:...

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Experiments in Modern Physics Introductory Lab: Poisson Statistics 1 Rex Tayloe Department of Physics, Indiana University 9/1/03 Last Revised: 9/24/03 Goal In this experiment you will explore the statistics of random events both by physical measurements and by computer simulations. The random events used in this study will be pulses from a scintillation detector exposed to gamma rays from a radioactive source. Introduction A sequence of independent random events is one in which the occurrence of any event has no effect on the occurrence of any other. One example is simple radioactive decay such as the emission of 663 KeV photons by a sample of 137 Cs. In contrast, the fissions of nuclei in a critical mass of 235 U are correlated events in a "chain reaction" in which the outcome of each event, the number of neutrons released, affects the outcome of subsequent events. A continuous random process is said to be "steady state with mean rate μ " if lim T X T where X is the number of events accumulated in time T.
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poisson - Experiments in Modern Physics Introductory Lab:...

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