Welcome to the Homepage of the ETP!

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

Improved understanding of the di-pion system in semileptonic B decays

July 23, 2025

A re-analysis of existing Belle data using a new, model-independent theoretical framework reveals potential sources of tensions in determinations of CKM matrix element V_ub.

A novel probe of the Higgs boson coupling to "charm" and other light quarks

July 17, 2025

This new publication measures the asymmetry in the associated production of the Higgs boson with the W boson. Due to the ratio of “up” and “down” quarks in the proton, an asymmetry factor of 2 is expected within the SM.

ETP at EPS-HEP 2025

July 14, 2025

From July 7 to 11, 2025, scientists met in Marseille for the largest European conference on high-energy physics, the EPS-HEP. The ETP actively participated with posters, presentations and a plenary talk.