PoS - Proceedings of Science
Volume 390 - 40th International Conference on High Energy physics (ICHEP2020) - Posters: Accelerator: Physics, Performance, and R&D for Future Facilities
Integrated luminosity measurement at CEPC
I. Smiljanic,* I. Bozovic-Jelisavcic, G. Kacarevic, S. Hou, H. Zhu
*corresponding author
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Pre-published on: January 20, 2021
Published on: —
Abstract
The very forward region of a detector at future e+e- collider is the one of the most challenging regions to instrument. A luminometer – compact calorimeter dedicated for precision measurement of the integrated luminosity at a permille level or better is needed. Here we review a feasibility of such precision at CEPC, considering detector mechanical precision and beam-related requirements. We also discuss capabilities of experimental determination of the effective centre-of-mass energy determination, from the perspective of integrated luminosity precision requirements at the Z0 pole.
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