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Related papers: Challenges for FCC-ee Luminosity Monitor Design

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The first part of the physics programme of the integrated FCC (Future Circular Colliders) proposal includes measurements of Standard Model processes in $e^+e^-$ collisions (FCC-ee) with an unprecedented precision. In particular, the…

High Energy Physics - Experiment · Physics 2019-10-31 Georgios Voutsinas , Emmanuel Perez , Mogens Dam , Patrick Janot

Because of a luminosity of up to five orders of magnitude larger than at LEP, electroweak precision measurements at the FCC-ee -- the Future Circular Collider with electron-positron beams -- would provide improvements by orders of magnitude…

High Energy Physics - Experiment · Physics 2016-01-18 Mogens Dam

The FCC-ee offers powerful opportunities for direct or indirect evidence for physics beyond the Standard Model, via a combination of high precision measurements and searches for forbidden and rare processes and feebly coupled particles. A…

High Energy Physics - Experiment · Physics 2021-08-23 Juan Alcaraz Maestre , Alain Blondel , Mogens Dam , Patrick Janot

In order to measure integrated luminosity with a required precision of $10^{-4}$ at the $Z^0$ pole, proposed CEPC $e^{+}e^{-}$ collider requires a luminometer, a specially designed calorimeter placed in the very forward region to identify…

High Energy Physics - Experiment · Physics 2024-07-04 Ivan Smiljanic , Ivanka Bozovic , Goran Kacarevic

Purpose: Luminosity measurement at the Circular Electron-Positron Collider (CEPC) is required to achieve 10^-4 precision when operating at the center-of-mass energy of the Z-pole. Approximately 10^12 Z-bosons will be collected to refine…

High Energy Physics - Experiment · Physics 2026-01-12 Jiading Gong , Jun He , Rongyan He , Suen Hou , Quan Ji , Renjie Ma , Ming Qi , Haoyu Shi , Weimin Song , Xingyang Sun , Haijing Wang , Yilun Wang , Jialiang Zhang , Lei Zhang

The measurement of small-angle Bhabha scattering is used to determine the luminosity at the OPAL interaction point for the LEP I data recorded between 1993 and 1995. The measurement is based on the OPAL Silicon-Tungsten Luminometer which is…

High Energy Physics - Experiment · Physics 2019-08-17 The OPAL collaboration , G. Abbiendi

The prospects for electroweak precision measurements at the Future Circular Collider with electron-positron beams (FCC-ee) are discussed. The Z mass and width, as well as the value of the electroweak mixing angle, can be measured with very…

High Energy Physics - Experiment · Physics 2014-12-10 Roberto Tenchini

The expected experimental precision of the rates and asymmetries in the Future Circular Collider with electron positron beams (FCC-ee) in the centre of the mass energy range 88-365GeV considered for construction in CERN, will be better by a…

High Energy Physics - Phenomenology · Physics 2019-11-22 S. Jadach , M. Skrzypek

Precision measurement of the integrated luminosity $\mathcal{L}$ at future Higgs factories, including ILC, is of crucial importance for the cross-section measurements, and in particular for the line-shape measurements at the Z-pole. Since…

High Energy Physics - Experiment · Physics 2024-12-25 Ivan Smiljanić , Ivanka Božović , Goran Kačarević , Mirko Radulović , Jasna Stevanović

The International Linear Collider (ILC) is a proposed electron-positron collider with a center-of-mass energy of 500~GeV, and a peak luminosity of $2 \cdot 10^{34}~\mathrm{cm}^{-2}\mathrm{s}^{-1}$. The ILC will complement the Large Hadron…

Accelerator Physics · Physics 2010-10-29 Iftach Sadeh

The operation at the Z-pole of the FCC-ee machine will deliver the highest possible instantaneous luminosities with the goal of collecting the largest Z boson datasets (Tera-Z), and enable a programme of Standard Model physics studies with…

Instrumentation and Detectors · Physics 2021-12-02 Richard Brenner , Christos Leonidopoulos

For both the FCC-ee and the ILC, to exploit properly the respective precision physics program, the theoretical precision tag on the respective luminosity will need to be improved from the analogs of the $ 0.054 \% (0.061\%)$ results at LEP…

High Energy Physics - Phenomenology · Physics 2023-02-03 B. F. L. Ward , S. Jadach , W. Placzek , M. Skrzypek , S. A. Yost

The FCC-ee accelerator is considered within the FCC design study as a possible first step towards the ultimate goal of a 100 TeV hadron collider. It is a high luminosity e+e- storage ring collider, designed to cover energies of around 90,…

Accelerator Physics · Physics 2015-11-20 M. Koratzinos

The combined vertexing and tracking performance of the innermost part of the FCC-ee experiments must deliver outstanding precision for measurement of the track momentum together with an impact parameter resolution exceeding by at least a…

Instrumentation and Detectors · Physics 2021-12-28 Nicola Barchetta , Paula Collins , Petra Riedler

The very forward region is one of the most challenging regions to instrument at a future $e^+e^-$ collider. At CEPC, machine-detector interface includes, among others, a calorimeter dedicated for precision measurement of the integrated…

Instrumentation and Detectors · Physics 2022-11-24 Ivan Smiljanic , Ivanka Bozovic Jelisavcic , Goran Kacarevic , Natasa Vukasinovic , Ivana Vidakovic , Vladimir Rekovic

Measurement of the integrated luminosity at the International Linear Collider (ILC) will be accomplished by counting the rate of small angle Bhabha scattering events. The physics requirements for ILC set the constraint on the relative…

Instrumentation and Detectors · Physics 2013-01-14 M. Pandurovic , I. Bozovic-Jelisavcic

The FCC-ee aims to improve on electroweak precision measurements, with goals of 100 keV on the Z mass and width, and a fraction of MeV on the W mass. Compared to LEP, this implies a much improved knowledge of the centre-of-mass energy when…

Accelerator Physics · Physics 2015-06-03 M. Koratzinos , A. Blondel , E. Gianfelice-Wendt , F. Zimmermann

The Future Circular Lepton Collider (FCC-ee) presents challenges for a longitudinal bunch profile monitor due to its wide range of bunch lengths and charge densities across its four distinct operational modes. For commissioning, monitoring…

We present pathways to the required theoretical precision for the luminosity targeted by the FCC-ee precision studies. We put the discussion in context by reviewing briefly the situation at the time of LEP. We then present the current…

High Energy Physics - Phenomenology · Physics 2019-05-07 B. F. L. Ward , S. Jadach , W. Placzek , M. Skrzypek , S. A. Yost

Following in the footsteps of the LHC, the Future Circular Collider (FCC) plans to be the next multi-generational collider project. In the first stage, FCC-ee will collide intense beams of electrons and positrons at centre of mass energies…

High Energy Physics - Experiment · Physics 2025-07-03 Armin Ilg , Anna Macchiolo , Fabrizio Palla
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