impact parameter

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

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

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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.

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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.

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