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The Institute of Experimental Particle Physics (ETP) of the Karlsruhe Institute of Technology (KIT) investigates the fundamental puzzles of nature. Research focuses on international projects in elementary particle physics and astroparticle physics. Together with further institutes, we form the center of excellence KCETA.

ETP News

Observed and expected exclusion limits (95% C.L.) on the axion-like-particle-photon coupling as a function of the ALP mass, compared with previous measurements from other experiments.Belle II
World-leading constraints on Axion-like Particles from Belle II Search

July 10, 2026

Researchers at KIT and LMU Munich have presented the strongest exclusion limits to date for axion-like particles. As a bridge between visible matter and dark sectors, these particles are part of many extensions of the Standard Model.

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Ausschlusskonturen auf die Wechselwirkungsstärke zwischen Top-Quark und Higgs-BosonCMS
Four top quarks open a window to new physics

July 1, 2026

Researchers from Ghent, Vienna, and Karlsruhe are presenting a study on the simultaneous production of four top quarks, which sets the strongest constraints to date for various scenarios involving physics beyond the Standard Model.

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ETP Mitglieder bei der Belle II AcademyAlexander Heidelbach
Belle II Academy in Blaubeuren

June 10, 2026

Master’s and doctoral students from the Belle II collaboration gathered in Blaubeuren to participate in a variety of workshops and network within the collaboration.

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