1 research outputs found
First Experimental Evidence of a Beam-Beam Long-Range Compensation Using Wires in the Large Hadron Collider
In high intensity and high energy colliders such as the CERN Large Hadron
Collider and its future High Luminosity upgrade, interactions between the two
beams around the different Interaction Points impose machine performance
limitations. In fact, their effect reduces the beam lifetime and therefore the
collider's luminosity reach. Those interactions are called Beam-Beam Long-Range
interactions and a possible mitigation of their effect using DC wires was
proposed for the first time in the early 2000's. This solution is currently
being studied as an option for enhancing the HL-LHC performance. In 2017 and
2018, four demonstrators of wire compensators have been installed in the LHC. A
two-year long experimental campaign followed in order to validate the
possibility to mitigate the BBLR interactions in the LHC. During this campaign,
a proof-of-concept was completed and motivated an additional set of
experiments, successfully demonstrating the mitigation of BBLR interactions
effects in beam conditions compatible with the operational configuration. This
paper reports in detail the preparation of the experimental campaign, the
obtained results and draws some perspectives for the future.Comment: Draft for a later PRAB submissio