secondary beam

American  

noun

Physics.

1. a beam of particles of one kind selected from the group of particles produced when a beam of particles from an accelerator primary beam strikes a target.

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Example Sentences

To avoid much unnecessary timber, the secondary beam forms were supported at the ends on reinforced concrete corbels cast on the primary beams.

From ASCE 1193: The Water-Works and Sewerage of Monterrey, N. L., Mexico The 4th article from the June, 1911, Volume LXXII, Transactions of the American Society of Civil Engineers. Paper No. 1193, Feb. 1, 1911. by Conway, George Robert Graham

The secondary beam may be dispensed with if a multiplier is not needed, and the secondary truss, t, with its standard and counterpoise, H, used alone to counteract the effect of change of level.

From Scientific American Supplement, No. 601, July 9, 1887 by Various

The secondary beam, E, is also rigidly attached to the truss, and acts as a multiplying beam.

From Scientific American Supplement, No. 601, July 9, 1887 by Various