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

By referring to the cross-section of the secondary beam, it will 512be noticed that it is jug-shaped, shelves being left on either side for the support of the roof forms, which were placed after the secondary beams had been properly grouted to the radial ones.

From Project Gutenberg

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

From Project Gutenberg

The wire, F, carrying the secondary beam, E, and poise, H, instead of being carried on an independent support, rigidly attached to the base, as above described, is attached directly to a moving part of the balance itself, and preferably to the two beams.

From Project Gutenberg

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

From Project Gutenberg

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 Project Gutenberg