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The search for neutrinoless double-beta decay continues with new LEGEND experiment

Final results and completion of the GERDA experiment

The last measurements of the GERDA experiment were analyzed and published in 2020. The phote shows the experiment's opening in 2010. (Photo: MPP)

The GERDA experiment designed to prove the existence of neutrinoless double beta decay is coming to an end. The research collaboration has now evaluated the full data set produced by the experiment and published it in Physical Review Letters. Even though no signal was found, all goals set for the…

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Test setup of the MADMAX experiments: At the transition between air and the disc material, the photon fraction generates radio waves that can be measured (Photo: MADMAX Collaboration)

Whether axions exist is still up for debate. If they do exist, two open questions in particle physics could be resolved: The puzzle of what dark matter is made of – and the question of why the strong interaction, one of the four known forces in the universe, has a particular characteristic. The…

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Germawide week of particle physics from 2-8 November - activities at the Max Planck Institute for Physics

Week of particle physics: Roundtrip through the world of elementary particles

How was the universe created? What are we made of? What does the “world machine” at CERN investigate? Science enthusiasts can pursue such questions during the Week of the Particle World from 2 to 8 November 2020. All over Germany, the locations of the Particle World Network invite guests to become…

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Vorbereitung eines Kristalldetektors für das CRESST-Experiment (Foto: T. Dettlaff/MPP)

This event will be in German language.

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Transport of a muon chamber to its destination (Photo: H. Kroha/MPP)

Operation of the Large Hadron Collider (LHC) particle accelerator has been resting since January of 2019. Although “resting” is not quite the right word: During the planned shutdown until early 2022, intensive work is being done on technical improvements – including the ATLAS experiment. The Max…

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Café & Kosmos on September 22, 2020

The mystery of neutron stars

(Bild: ESO)

Neutron stars are probably the most astounding objects in the universe. They are the remnants of supernova explosions. The core of a star collapses under its own gravity thereby squeezing matter in such a way that single atomic nuclei are solved in a soup of nucleic particles - mostly neutrons, but…

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The MAGIC telescope system at the Roque de los Muchachos Observatory, La Palma, Canary Islands, Spain (Photo: G. Ceribella/MAGIC Collaboration)

In 2019, the MAGIC telescopes detected the first Gamma Ray Burst at very high energies. This was the most intense gamma-radiation ever obtained from such a cosmic object. But the GRB data have more to offer: with further analyses, the MAGIC scientists could now confirm that the speed of light is…

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The SuperKEKB tunnel during reconstruction (Photo: KEK/Shota Takahashi)

Tailwind for the search for rare particle decays in the Belle II experiment: The SuperKEKB accelerator ring has now achieved the highest luminosity ever measured. The electron-positron accelerator beats not only its predecessor KEKB but also the Large Hadron Collider (LHC) at CERN. This has just…

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The LST-1 on the Canary Island of La Palma (Photo: Otger Ballester/IFAE)

Following its inauguration in October 2018, the first LST (Large-Sized Telescope) is currently in the commissioning phase. The LST-1 will commence research operations in 2021. But the imposing gamma-ray telescope has already provided an important proof of its performance: It recorded the extremely…

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On 19 June 2020 CERN presented the update to the European Strategy for Particle Physics. In an Interview with Der Tagesspiegel Prof Siegfried Bethke from the MPI for Physics explains which technical concepts are under discussion and what the costs might be.

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