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In scattering theory and accelerator physics, luminosity (''L'') is the ratio of the number of events detected (''N'') in a certain time (''t'') to the interaction cross-section (σ):〔 〕 : It has the dimensions of events per time per area, and is usually expressed in the cgs units of cm−2·s−1 or the non-SI units of b−1·s−1. In practice, ''L'' is dependent on the particle beam parameters, such as beam width and particle flow rate, as well as the target properties, such as target size and density.〔 A related quantity is integrated luminosity (''L''int), which is the integral of the luminosity with respect to time:〔 : The luminosity and integrated luminosity are useful values to characterize the performance of a particle accelerator. In particular, all collider experiments aim to maximize their integrated luminosities, as the higher the integrated luminosity, the more data is available to analyze.〔 ==Examples of collider luminosity== Here are a few examples of the luminosity of certain experiments.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Luminosity (scattering theory)」の詳細全文を読む スポンサード リンク
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