LHC-IR ABSORBERS at Lawrence Berkeley National Laboratory

The LHC-IR ABSORBERS are two different designs, TAN and TAS:

The neutral beam absorbers (TAN) are required to absorb the flux of forward high energy neutral particles that are produced at the high luminosity IPs 1 and 5 of the LHC, thereby preventing these particles from quenching the twin aperture superconducting beam separation dipoles (D2) and localizing the induced activation to the absorber.

The front quadrupole absorbers (TAS) are required to absorb the flux of forward high energy charged and neutral particles that are produced at the high luminosity IPs 1 and 5 of the LHC. These particles are thereby prevented from quenching the inner triplet superconducting quadrupoles and the induced activation is localized to the absorber and surrounding shielding.
Bill Elliott, Lead Engineer.