65 Works

Machine layout and performance

G. Arduini, R. Bruce, R. De Maria, M. Giovannozzi, G. Iadarola, J. Jowett, E. Métral, Y. Papaphilippou & R. Tomás Garcia
The goal of the High-luminosity upgrade of the LHC is to deliver an integrated luminosity of at least 250 fb-1 per year (assuming at least 160 days of operation at high-luminosity) in each of the two high-luminosity general-purpose detectors, ATLAS and CMS, located at the interaction points (IP) 1 and 5, respectively. The ATLAS and CMS detectors will be upgraded to handle an average pile-up, the number of events per bunch crossing, of at least...

High-Luminosity Large Hadron Collider

O. Brüning & L. Rossi
The Large Hadron Collider (LHC) was successfully commissioned in 2010 for proton–proton collisions with a 7 TeV centre-of-mass (c.o.m.) energy. It delivered 8 TeV c.o.m. proton collisions from April 2012 until the end of Run 1 in 2013. Following the Long Shutdown 1 (LS1) in 2013–2014, it operated with 13 TeV c.o.m. proton collisions during Run 2 from 2015 until the end of 2018, reaching a peak luminosity twice the nominal design value. At present...


S.D. Bakshi, J. Chakrabortty & S.K. Patra
In spite of the non-observation of any new resonances after the discovery of the Standard Model (SM) Higgs-like particle, which announces the success of the SM, we have enough reason to believe the existence of theories beyond it (BSM), with the SM as a part. As any such theory will affect the electroweak and the Higgs sector, and the sensitivity of these precision observables is bound to increase in the near future, indirect estimation of...

Global electroweak fit in the FCC-ee era

J. Erler & M. Schott
The top quark and Higgs boson masses have been predicted before their respective discoveries by the global fit of the Standard Model to electroweak precision data. With the Higgs boson discovery and the measurement of its mass, the last missing parameter of the Standard Model has been fixed and thus the internal consistency of the Standard Model can be probed at a new level by comparing direct measurements with the indirect predictions of the global...

CERN Yellow Reports: Monographs, Vol 2 (2020): SPS Beam Dump Facility: Comprehensive Design Study

Editors: M. Calviani, B. Goddard, R. Jacobsson and M. Lamont The proposed Beam Dump Facility (BDF) is foreseen to be located in the North Area of the Super Proton Synchrotron (SPS). It is designed to be able to serve both beam-dump-like and fixed-target experiments. The SPS and the new facility would offer unique possibilities to enter a new era of exploration at the intensity frontier. Possible options include searches for very weakly interacting particles predicted...

αQED, eff (s) for precision physics at the FCC-ee/ILC

F. Jegerlehner
Discovering the ‘physics behind precision’ at future linear or circular colliders (ILC or FCC projects) requires improved SM predictions based on more precise input parameters. I will review the role of αQED, eff at future collider energies and report on possible progress based on results from low-energy machines.

e+e− → γγ at large angles for FCC-ee luminometry

C.M. Carloni, M. Chiesa, G. Montagna, O. Nicrosini & F. Piccinini
We examine large-angle two-photon production in e+e− annihilation as a possible process to monitor the luminosity of the FCC-ee. We review the current status of the theoretical pre- dictions and perform an exploratory phenomenological study of the next-to-leading and higher- order QED corrections using the Monte Carlo event generator BabaYaga@NLO. We also con- sider the one-loop weak corrections, which are necessary to meet the high-precision requirements of the FCC-ee. Possible ways to approach the target...

Perspectives of heavy quarkonium production at the FCC-ee

Z.-G. He & B.A. Kniehl
We review heavy quarkonium production, concentrating on the J/ψ case, by these two processes in Sections 8.1 and 8.2, respectively, and discuss the prospects of heavy quarkonium production at the FCC-ee beyond the current measurements made at B factories and CERN LEP-II. Section 8.3 contains a summary and an outlook.

NNLO corrections in four dimensions

R. Pittau
Currently, four-dimensional techniques applied to higher-order calculations are under active investigation. The main motivation for this is the need to simplify perturbative calculations necessary to cope with the precision requirements of the future LHC and FCC experiments. In this contribution, I review the four-dimensional regularisation or renormalization (FDR) approach to the computation of NNLO corrections in four dimensions. In particular, I describe how fully inclusive NNLO final-state quark-pair corrections are computed in FDR by directly...

Executive summary

S. Damjanović & H. Schopper
No abstract.

Components of the SEE-LS

Ch. Benabderrahmane, G. Le Bec, J. Chavanne & D. Einfeld
No abstract.

Magnets of the storage ring

Ch. Benabderrahmane, G. Le Bec, J. Chavanne & D. Einfeld
No abstract.

Girder system

J.-C. Biasci & D. Einfeld
No abstract.

CERN Yellow Reports: Monographs, Vol. 8 (2020): A primary electron beam facility at CERN—eSPS: Conceptual design report

Editors: Torsten Åkesson and Steinar Stapnes The design of a primary electron beam facility at CERN is described. The study has been carried out within the framework of the wider Physics Beyond Colliders study. It re-enables the Super Proton Synchrotron (SPS) as an electron accelerator, and leverages the development invested in Compact Linear Collider (CLIC) technology for its injector and as an accelerator research and development infrastructure. The facility would be relevant for several of...

FCC tau polarisation

S. Banerjee & Z. Was
No abstract.

Registration Year

  • 2020

Resource Types

  • Text