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When the most massive stars die, they collapse under their own gravity and leave behind black holes; when stars that are a bit less massive die, they explode in supernovas and leave behind dense, dead remnants of stars called neutron stars. For decades, astronomers have been puzzled by a gap that lies between neutron stars […]

During the last meeting of the General Assembly a new Chair and Vice-Chair for the Scientific Advisory Committee have been elected: Sijbrand de Jong takes over the duty as chair from Laura Baudis and Silvia Pascoli substitutes Jocelyn Monroe as Vice-Chair. We want to take this opportunity to thank Laura Baudis and Jocelyn Monroe for

At the recent Neutrino 2020 virtual meeting the Borexino Collaboration has announced the first detection ever of neutrinos from the CNO cycle in the Sun, an astounding experimental achievement, which closes a chapter of physics commenced in the years ‘30s of the past century. It was indeed in 1938 when Bethe and von Weizsäcker independently

Scientists from the international XENON collaboration announced on June 17th that data from their XENON1T, the world’s most sensitive dark matter experiment, show a surprising excess of events. The scientists do not claim to have found dark matter. Instead, they say to have observed an unexpected rate of events, the source of which is not

  APPEC congratulates the CERN Council for its decision to update the European Strategy for Particle Physics setting up a vision for the future of particle physics, a process that was inclusive of the full Particle and Astroparticle Physics communities.  The general considerations of the 2020 update acknowledge the importance of the rich and complementary

In April 2020 the previous observer Poland became an official member of APPEC. In the General Assembly they are represented by Leszek Roszkowski from CAMK, who is director of AstroCeNT – the Particle Astrophysics Science and Technology Centre. Leszek Roszkowski also chairs the APPEC SAC sub-committee preparing a strategy report on direct detection of dark

The quest for B-mode polarization of the Cosmic Microwave Background (CMB) is one of the major challenges of observational cosmology. A positive detection would signify the presence of primordial gravitational waves, theoretically expected from the inflation era. This is one of the most difficult measurements to make because the expected signal is very small and

For several weeks now our everyday life has been quite disrupted by the novel corona virus. We all have to master difficult situations in this unusual time, facing conditions we never experienced before. Although everybody has to deal with a different situation some things are common for almost all of us and our institutions. “These