Integrated luminosity measurement at CEPC
January 20, 2021
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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