B. Ketzer

collaborators

3 papers

hep-ex2026

First Observation of an Exotic Reggeon

G. D. Alexeev, M. G. Alexeev, C. Alice +180

We present new \compass high-statistics measurements of the peripheral production of $I^\cdot I ¨ ^{-}$ and $I^\cdot^{'} I ¨ ^{-}$ pairs in the reactions $I ¨ ^{-} p \to I^\cdot^{(')} I ¨ ^{-} p$ . For the…

hep-ex2026

AMBER -- A Strong-Interaction Facility at CERN

Bernhard Ketzer, Michela Chiosso

AMBER (NA66) is a fixed-target facility at the M2 beam line of CERN SPS, which performs worldwide unique research on the internal structure and the excitation spectrum of hadrons.…

hep-ex2025

Light-Meson Spectroscopy with COMPASS

Bernhard Ketzer, Boris Grube, Dmitry Ryabchikov

Despite decades of research, we still lack a detailed quantitative understanding of the way quantum chromodynamics (QCD) generates the spectrum of hadrons. Precise experimental stu…