FCC Physics Opportunities

Topic

natural sciences

Frequently Asked Questions (FAQ)

What is the Future Circular Collider (FCC)? The Future Circular Collider (FCC) is a proposed particle accelerator project that aims to push the frontiers of high-energy physics. It comprises a series of circular colliders, including FCC-ee (electron-positron), FCC-hh (proton-proton), and FCC-eh (electron-proton), each offering unique physics opportunities. The FCC aims to complement and surpass the discoveries made by the Large Hadron Collider (LHC) by reaching higher energies and luminosities.
What are the main physics goals of the FCC? The FCC has a broad physics program targeting various open questions in particle physics. Some of its key goals include: Precise measurements of the Higgs boson: The FCC-ee and FCC-hh will enable precise measurements of the Higgs boson’s properties, including its couplings to other particles, its self-coupling, and its potential for revealing new physics beyond the Standard Model. Exploration of the electroweak sector: The FCC-ee will allow for high-precision studies of the electroweak interaction, testing the Standard Model with unprecedented accuracy and potentially uncovering hints of new physics. Search for dark matter and dark sectors: The FCC-hh and FCC-eh will search for evidence of dark matter particles and explore potential interactions within a hidden “dark sector”. Investigation of the top quark: The FCC-ee and FCC-hh will provide unique opportunities to study the properties of the top quark, the heaviest known elementary particle, with high precision. Study of flavour physics: The FCC-ee and FCC-hh will make precise measurements of processes involving heavy quarks and leptons, allowing for sensitive tests of the Standard Model and searches for new physics effects.
What are the advantages of FCC-ee over previous electron-positron colliders? Unprecedented statistics: The FCC-ee will produce enormous samples of Z bosons, W bosons, Higgs bosons, and top quarks, enabling measurements with significantly reduced statistical uncertainties. Precise determination of particle masses and widths: The high luminosity and excellent beam energy calibration at FCC-ee will allow for extremely precise measurements of particle masses and widths, leading to more stringent tests of the Standard Model. Clean experimental environment: Electron-positron collisions provide a cleaner environment compared to proton-proton collisions, simplifying the reconstruction and analysis of events. Exploration of a wide energy range: FCC-ee will operate at various energy levels, from the Z boson peak to the top quark pair production threshold, enabling comprehensive studies of the electroweak and flavour sectors.
How will FCC-hh improve upon the discoveries made at the LHC? Higher energy: With a collision energy of 100 TeV, FCC-hh will probe energy scales significantly beyond the reach of the LHC, potentially discovering new particles and interactions. Higher luminosity: The FCC-hh will accumulate much larger datasets than the LHC, allowing for more sensitive searches for rare processes and precise measurements of Standard Model parameters. Enhanced sensitivity to heavy particles: The increased energy and luminosity will significantly enhance the sensitivity to heavy particles, such as new gauge bosons, supersymmetric particles, or exotic Higgs bosons.
What are the unique capabilities of FCC-eh? Precise measurement of parton distribution functions. Exploration of small-x physics. Complementary measurements of electroweak parameters.
How will the FCC contribute to the search for dark matter? Direct searches for dark matter particles. Indirect searches through precise measurements of Standard Model processes.
How will the FCC help us understand the nature of the Higgs potential? Direct measurements of the Higgs self-coupling at FCC-hh. Indirect constraints from FCC-ee.

Significance

Understanding these findings helps advance our knowledge and inform better decisions. This research represents an important contribution to the field. For the full details, watch the video above and explore the linked resources.

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