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impact parameter

American  

noun

  1. the perpendicular distance from the original center of a set of scattering particles to the original line of motion of a particle being scattered.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The angles at which the small object can be scattered are determined by the shape of the object it strikes and the impact parameter b .

From Textbooks • Aug. 12, 2015

How does θ1 depend on b , the so-called impact parameter?

From Textbooks • Aug. 12, 2015

The resulting candidate is further required to point back to the PV, for example, to have a small impact parameter, consistent with zero, with respect to it.

From Nature • May 12, 2015

The impact parameter is measured with a precision of 10 µm for transverse momenta of 100 GeV/c and 20 µm for 10 GeV/c.

From Nature • May 12, 2015

The impact parameter resolution is smaller than 20 µm for particle tracks with large transverse momentum.

From Nature • May 12, 2015