CEPC Conceptual Design Report: Volume 2 - Physics & Detector

Understand

The Circular Electron Positron Collider (CEPC) is a large international scientific facility proposed by the Chinese particle physics community to explore the Higgs boson and provide critical tests of the underlying fundamental physics principles of the Standard Model that might reveal new physics.

• The CEPC, to be hosted in China in a circular underground tunnel of approximately 100 km in circumference, is designed to operate as a Higgs factory producing electron-positron collisions with a center-of-mass energy of 240 GeV.
• The collider will also operate at around 91.2 GeV, as a Z factory, and at the WW production threshold (around 160 GeV).
• The CEPC will produce close to one trillion Z bosons, 100 million W bosons and over one million Higgs bosons.