An Unstable Particle Produced in a High-Energy Collision Is Measured

question 18

Short Answer

An unstable particle produced in a high-energy collision is measured to have an energy of 483 MeV and an uncertainty in energy of 84 keV. Use the Heisenberg uncertainty principle to estimate the lifetime of this particle. ( = 1.055 × 10^-34 J ∙ s = 6.59 × 10^-16 eV ∙ s)

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A financial metric expressing the gross profit as a percentage of net sales, showing the efficiency of a company in making and selling its products.

Gross Profit

The difference between sales revenue and cost of goods sold, indicating the profitability of a company's core operations before overhead expenses.

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The costs associated with a company's main operational activities, excluding the cost of goods sold, interest, and taxes.