کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1831996 | 1027508 | 2007 | 21 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Statistical equations and methods applied to the precision muon (g-2)(g-2) experiment at BNL Statistical equations and methods applied to the precision muon (g-2)(g-2) experiment at BNL](/preview/png/1831996.png)
In the muon (g-2)(g-2) experiment at Brookhaven National Laboratory, the spin precession frequency ωaωa is obtained from a standard χ2χ2 minimization fit applied to the time distribution of decay electrons. The unusually high accuracy (∼0.5ppm) of the experiment puts stringent requirements on the quality of the fit and the level of understanding of the statistical properties of the fitted parameters. We discuss the properties of the fits and their implications on the derived value for ωaωa, including estimates of the effect of an imperfect fit function, methods of including additional external information to reduce the error, the effects of splitting the data into many smaller subsets of data, applying different weighting methods to the data using energy information, and various tests of data suitability.
Journal: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment - Volume 579, Issue 3, 11 September 2007, Pages 1096–1116