Kirk, J. G.: Particle Acceleration in GRB and AGN. Colloquium, International School for Advanced Studies, Trieste (2003)

Horns, D.: Indirect detection of Dark Matter with ground based gamma-ray detectors. Workshop: Direct versus indirect Detection of supersymmetric dark matter, Montpellier, France (2003)

Schönert, S.: Double Beta Decay Search: Status and Perspectives. KET Workshop on Neutrino Physics, DESY Hamburg, Germany (2003)

Schönert, S.: Neutrinoless-Double Beta Decay Search: Status and Perspectives. KET Workshop Neutrino Physics, DESY Hamburg (2003)

Kirk, J. G.: Relativistic flows and particle acceleration. Colloquium, UK Atomic Energy Authority Theory Division, Culham, U.K. (2003)

Schönert, S.: Doppelbetazerfall: Ge-76 Initiative. Astroteilchenphysik in Deutschland, FZ Karlsruhe, Germany (2003)

Heusser, G.: Low-background gamma spectroscopy of natural decay chain activity at the microBq/kg level. 226th American Chemical Society National Meeting, New York City, U.S.A. (2003)

Kirk, J. G.: Relativistic flows and particle acceleration. 6th Hellenic Astronomical Conference, Athens, Greece (2003)

Völk, H. J.: High Energy Gamma-Ray Astronomoy: Fundamental results. TAUP 2003 -8th INTERNATIONAL WORKSHOP ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS, Seattle, Washington, U.S.A. (2003)

Völk, H. J.: TeV Gamma-Ray Observations and the Origin of Cosmic Rays. 28th International Cosmic Ray Conference, Tsukuba, Japan (2003)

Völk, H. J.: Origin of the Galactic Cosmic Rays. Tee-Kolloquium des Max-Planck-Instituts für Kernphysik, Heidelberg, Germany (2003)

Aharonian, F.A.: TeV BL-Lac Objects. Particle Acceleration in Astrophysical Objects, Cracow, Poland (2003)

Kirk, J. G.: The dissipation of Poynting flux in pulsar winds. Particle Acceleration in Astrophysical Objects, Cracow (2003)

Morgner, U.; Wagenblast, P.; Ell, R.; Tritschler, T.; Mücke, O.D.; Wegener, M.; Ippen, E.P.; Fujimoto, J.G.; Kärtner, F.X.: Broadband laser light sources for nonlinear optics and biomedical applications. Conference on Lasers and Electro-Optics (CLEO Europe), Munich, Germany (2003)

Schönert, S.: Precision Measurements of Oscillation parameters with Reactor Neutrinos. ECT2003 (Weak Interactions in Nuclei and Astrophysics: Standard Model and Beyond), Trento, Italy (2003)

Aharonian, F.A.: Microquasars. 4th Agile Workshop "X-ray and Gamma-ray Astrophysics of Galactic Sources, Frascati, Italy (2003)

Hampel, W.: Die Sonnenneutrino-Experimente GALLEX und GNO. Oberseminar Kernphysik - Neutrinophysik, Universität Köln (2003)

Mücke, O.D.; Tritschler, T.; Wegener, M.; Morgner, U.; Kärtner, F.X.; Khitrova, G.; Gibbs, H.M.: The carrier-wave Mollow triplet in experiments on GaAs excited by 5 fs pulses. Quantum Electrons and Laser Science Conference (QELS), Baltimore, USA (2003)

Wagenblast, P.; Morgner, U.; Grawert, F.; Kärtner, F.X.: 12-fs, diode-pumped Cr³⁺: LiCAF laser. Conference on Lasers and Electro-Optics (CLEO), Baltimore, USA (2003)

Wegener, M.; Tritschler, T.; Mücke, O.D.; Morgner, U.; Kärtner, F.X.: Determining the carrier-envelope frequency and phase by few-cycle non-linear optics in semiconductors. Quantum Electrons and Laser Science Conference (QELS), Baltimore, USA (2003)