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  2. Coincidence method - Wikipedia

    en.wikipedia.org/wiki/Coincidence_method

    In particle physics, the coincidence method (or coincidence technique) is an experimental design through which particle detectors register two or more simultaneous measurements of a particular event through different interaction channels. Detection can be made by sensing the primary particle and/or through the detection of secondary reaction ...

  3. Coincidence counting (physics) - Wikipedia

    en.wikipedia.org/wiki/Coincidence_counting_(physics)

    In quantum physics, coincidence counting is used in experiments testing particle non-locality and quantum entanglement. In these experiments two or more particles are created from the same initial packet of energy, inexorably linking/entangling their physical properties.

  4. Economic indicator - Wikipedia

    en.wikipedia.org/wiki/Economic_indicator

    There are many coincident economic indicators, such as Gross Domestic Product, industrial production, personal income and retail sales. A coincident index may be used to identify, after the fact, the dates of peaks and troughs in the business cycle. [6] There are four economic statistics comprising the Index of Coincident Economic Indicators: [7]

  5. Index of coincidence - Wikipedia

    en.wikipedia.org/wiki/Index_of_coincidence

    This count, either as a ratio of the total or normalized by dividing by the expected count for a random source model, is known as the index of coincidence, or IC or IOC [2] or IoC [3] for short. Because letters in a natural language are not distributed evenly , the IC is higher for such texts than it would be for uniformly random text strings.

  6. Philadelphia Fed Report - Wikipedia

    en.wikipedia.org/wiki/Philadelphia_Fed_Report

    The Philadelphia Index is conducted monthly by the Federal Reserve Bank of Philadelphia and questions voluntary participants on things such as unemployment, new orders, shipments, inventories, and prices paid. The report is released on the third Thursday of every month, making it the earliest such regional report which is released to investors.

  7. List of equations in quantum mechanics - Wikipedia

    en.wikipedia.org/wiki/List_of_equations_in...

    One particle: N particles: One dimension ^ = ^ + = + ^ = = ^ + (,,) = = + (,,) where the position of particle n is x n. = + = = +. (,) = /.There is a further restriction — the solution must not grow at infinity, so that it has either a finite L 2-norm (if it is a bound state) or a slowly diverging norm (if it is part of a continuum): [1] ‖ ‖ = | |.

  8. Defining equation (physical chemistry) - Wikipedia

    en.wikipedia.org/wiki/Defining_equation...

    Theoretical chemistry requires quantities from core physics, such as time, volume, temperature, and pressure.But the highly quantitative nature of physical chemistry, in a more specialized way than core physics, uses molar amounts of substance rather than simply counting numbers; this leads to the specialized definitions in this article.

  9. Philadelphia Fed Index - Wikipedia

    en.wikipedia.org/?title=Philadelphia_Fed_Index&...

    Philadelphia Fed Report From a page move : This is a redirect from a page that has been moved (renamed). This page was kept as a redirect to avoid breaking links, both internal and external, that may have been made to the old page name.

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