Robert Weis

Kirchhoff Institute for Physics

The Kirchhoff Institute for Physics (KIP) is named after a prominent physicist of the 19th Century: Gustav Robert Kirchhoff, who worked in Heidelberg for 21 years. His well-known lectures on experimental and theoretical physics attracted many students. Kirchhoff's ground-breaking research was extraordinarily diverse, spanning electrical, magnetic, optical, elastic, hydrodynamic and thermal processes. His laws for electrical circuits are well-known. At the time he was in Heidelberg, in conjunction with Robert Wilhelm Bunsen, he discovered spectral analysis and its application to solar radiation. In this way, Kirchhoff laid the foundation for modern astrophysics, as well as formulating the laws of thermal radiation, which played a key role in the discovery of quantum physics. The KIP aims to continue in this tradition of diverse scientific research and education.

Physikalisches Kolloquium

12. June 2026 5:00 pm  The Neutron Lifetime

Prof. Fred Wietfeldt, Ph.D., Department of Physics, Tulane University, New Orleans,The neutron is a key building block of ordinary matter, more than half of the Earth's mass is contributed by neutrons, but when freed from the confines of a stable atom a neutron decays into a proton, an electron, and an antineutrino with a lifetime of about 15 minutes. Free neutron decay is the prototype semileptonic weak interaction and simplest nuclear beta decay. There are no complications from nuclear structure, and the decay energy is small compared to the nucleon mass so recoil-order corrections enter below the 0.1% level, so neutron decay is an attractive system for precise low energy weak interaction measurements.more...

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CQD Colloquium (funded by STRUCTURES) next Wednesday, 17th of June, by Dr. Gabriel Wlazlowski, Warsaw University of Technology

Next CQD Colloquium (funded by Structures) will be given by Dr. Gabriel Wlazlowski, Warsaw University of Technology.

 

Please note the place and time: 

Wednesday, 17th of June

at 4:30 p.m.

PI, INF 226, K 1-3, Goldbox

  more ...