Speaker
Description
The Large Hadron Electron Collider (LHeC) is a study
at CERN to construct an energy recovery linear accelerator
(ERL) tangentially to the High Luminosity Large Hadron
Collider (HL-LHC). This would enable deep inelastic scat-
tering collisions between electrons and protons in the ALICE
interaction region (IR2). In this design, one of the two pro-
ton beams of the HL-LHC collides with the electron beam in
IR2, while the second proton beam avoids this collision. This
way, the e-p collisions can take place concurrently with p-p
collisions in ATLAS, CMS and LHCb. The LHeC/ALICE
interaction region is laid out for alternate e-p and p-p data,
using a common detector, suitable for this novel way of in-
teraction. It therefore requires a highly precise beam optics
and orbit for the three beams: the two proton beams of the
HL-LHC, as well as the electron beam from the ERL. The
highly asymmetric optics and orbits of the two proton beams,
allowing concurrent operation of the HL-LHC experiments
and e-p collisions, have been investigated with MAD-X. The
impact of an optimized electron mini-beta insertion, focus-
ing and bending the electrons, on the proton beam dynamics
has been considered.
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