On the Possibility of Having Roman Pots around IP8 in Run 4 and Beyond
英文摘要：
Proton trajectories along LHC beam 1 (clockwise direction) in the vicinity of the LHCb Interaction Point (IP8) for the most recent LHC Run 4 optics (HLLHC1.5) were presented. On this basis, three possible locations of forward proton detectors were identified: 150, 180 and 430 m from IP8. For these locations geometric acceptances were estimated. For the proton relative energy loss, $ξ$, these limits are $0.05 < ξ\lesssim 0.1$, $0.025 < ξ\lesssim 0.1$ and $0.003 < ξ< 0.013$, respectively. The influence of boost of the central system due to the acceptance of LHCb detector on $ξ$ was discussed. Finally, the impact of pile-up was presented.
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