Future Circular Hadron Collider FCC-hh: Overview and Status

Benedikt, M.; Chance, A.; Dalena, B.; Denisov, D.; Giovannozzi, M.; Gutleber, J.; Losito, R.; Mangano, M.; Raubenheimer, T.; Riegler, W.; Shiltsev, V.; Schulte, D.; D., Tommasini,; Zimmermann, F.

doi:10.48550/arxiv.2203.07804

Cited by 9 publications

(19 citation statements)

References 26 publications

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“…Proposed as a second phase of the FCC program after FCC-ee, the FCC-hh is a proton-proton collider aimed at increasing the physics reach by an order of magnitude beyond the LHC [24]. Following the same strategy used for LEP and LHC, the accelerators will utilize the same 100 km-scale tunnel.…”

Section: Future Circular Collider -Hadron/hadron (Fcc-hh)mentioning

confidence: 99%

Challenges of Future Accelerators for Particle Physics Research

2022

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For over half a century, high-energy particle accelerators have been a major enabling technology for particle and nuclear physics research as well as sources of X-rays for photon science research in material science, chemistry and biology. Particle accelerators for energy and intensity Frontier research in particle and nuclear physics continuously push the accelerator community to invent ways to increase the energy and improve the performance of accelerators, reduce their cost, and make them more power efficient. The accelerator community has demonstrated imagination and creativity in developing a plethora of future accelerator ideas and proposals. The technical maturity of the proposed facilities ranges from shovel-ready to those that are still largely conceptual. At this time, over 100 contributed papers have been submitted to the Accelerator Frontier of the US particle physics decadal community planning exercise known as Snowmass’2021. These papers cover a broad spectrum of topics: beam physics and accelerator education, accelerators for neutrinos, colliders for Electroweak/Higgs studies and multi-TeV energies, accelerators for Physics Beyond Colliders and rare processes, advanced accelerator concepts, and accelerator technology for Radio Frequency cavities (RF), magnets, targets and sources. This paper provides an overview of the present state of accelerators for particle physics and gives a brief description of some of the major facilities that have been proposed, their perceived advantages and some of the remaining challenges.

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Section: Future Circular Collider -Hadron/hadron (Fcc-hh)mentioning

confidence: 99%

Challenges of Future Accelerators for Particle Physics Research

2022

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“…For hadrons, the luminosity of the LHC will be upgraded first to the HL-LHC to improve the discovery reach of the machine at center-of-mass energies up to 14 TeV. The next-generation energy frontier hadron machines would be ~100-km circumference colliders FCC-hh [46] at CERN and SppC [47] in China, both of which have a target energy of ~100 TeV. However, to reach their design energies, these colliders need to develop superconducting magnet technology beyond state of the art that would take some time.…”

Section: Future Circular Collidersmentioning

confidence: 99%

RF Technologies for Future Colliders

Belomestnykh

2022

Front. Phys.

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Particle colliders remain indispensable scientific instruments to discover and study new elementary particles and fundamental forces of nature. Whether the collider is a factory (used to improve precision of measuring properties of already discovered particles or to enable studies of rare decay channels), an energy frontier machine (aimed at discovering new particles and forces), a heavy ion collider (allowing studies of what the universe looked like in the early moments after its creation), or an electron-hadron collider (where electrons are used for probing heavy ions or protons to study the fundamental force binding all visible matter), the radio frequency technologies play a key role in enabling the machine to reach its goals. This article considers challenges presented to the radio frequency technologies by the next generation of particle colliders and reviews R&D approaches and directions to address these challenges.

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“…In various proposals and studies for e − p collider, the electron beam energy has been considered in the range of 50-200 GeV [74]. On the other hand, keeping the proposal of FCC-hh [75] in mind, a proton beam with energy as large as 50 TeV can also be taken. In figure 2, we show the dependence of the standard model cross section for possible electron and proton beam energies.…”

Section: Jhep10(2022)108mentioning

confidence: 99%

Probing non-standard HVV (V = W, Z) couplings in single Higgs production at future electron-proton collider

Sharma

Shivaji

2022

J. High Energ. Phys.

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The couplings of the Higgs boson (H) with massive gauge bosons of weak interaction (V = W, Z), can be probed in single Higgs boson production at the proposed future Large Hadron-Electron Collider (LHeC). In the collision of an electron with a pro- ton, single Higgs production takes place via so-called charged-current (e−p → νeHj) and neutral-current (e−p → e−Hj) processes. We explore the potential of the azimuthal angle correlation between the forward jet and scattered neutrino or electron in probing the non-standard HVV couplings at the collider center-of-mass energy of $$ \sqrt{s} $$ s ≈ 1.3 TeV. We choose the most general modifications (of CP-even and CP-odd nature) to these couplings due to new physics effects beyond the standard model. We derive exclusion limits on new physics parameters of HV V couplings as a function of integrated luminosity at 95% C.L. using the azimuthal angular correlations in charged- and neutral-current processes. We find that using 1000 fb−1 data, the standard model-like new physics parameters in HWW and HZZ couplings can be constrained with accuracies of 4% and 15%, respectively. The least constrained CP-even parameters of HWW coupling can be as large as 0.04, while those of HZZ coupling can have values around 0.31. Allowed values of CP-odd parameters in HWW and HZZ couplings are found to be around 0.14 and 0.34, respectively. We also study changes in the allowed values of non-trivial new physics parameters in the presence of other parameters.

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Future Circular Hadron Collider FCC-hh: Overview and Status

Cited by 9 publications

References 26 publications

Challenges of Future Accelerators for Particle Physics Research

Challenges of Future Accelerators for Particle Physics Research

RF Technologies for Future Colliders

Probing non-standard HVV (V = W, Z) couplings in single Higgs production at future electron-proton collider

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