The IceCube Collaboration presents results from a search for sources of high-energy neutrons using four years of data from IceTop, the surface detector array. Researchers have not found any evidence for astrophysical neutrons, but the results have allowed the collaboration to set new limits that constrain the possible galactic neutron sources. These results have just been submitted to the Astrophysical Journal. […]
The Precision IceCube Next Generation Upgrade (PINGU) is the proposed infill extension in a region at the center of the IceCube Neutrino Observatory that will lower the energy threshold to a few GeV, dramatically increasing both the number of GeV-scale neutrinos detected by IceCube and, more importantly, the precision with which they are measured. […]
South Pole, dead of winter, no sun for months. So, that rules out a rainbow in the above image. Instead it’s an aurora, but it was doing its best, with its graceful arch, to imitate a rainbow. […]
IceCube researchers are once more joining the longstanding biennial Neutrino conference. The 27th International Conference on Neutrino Physics and Astrophysics, Neutrino 2016, started on Monday in London, England, and runs through Saturday, July 9. […]
It’s the middle of winter at the South Pole, and not only is it dark outside, but there are restrictions in place to keep it as dark as possible (exterior lights limited to a red spectrum, to reduce interference) for the benefit of research projects that rely on the dark night sky. […]
Last week, they were observing midwinter at the South Pole station, which traditionally includes a fancy dinner and a viewing of “The Shining.” […]
Introduction The IceCube neutrino telescope at the South Pole has measured the atmospheric muon neutrino spectrum as a function of zenith angle and energy to search for the oscillation signatures of light sterile neutrinos. No evidence for anomalous vμ or v –μ disappearance is observed in either of two independently developed analyses, each using one year of atmospheric neutrino data. […]
A completed jigsaw puzzle serves as a base for holding a sizeable LEGO creation. This model looks to be of London’s Tower Bridge, but perhaps someone should talk to the LEGO folks about designing one for the ICL (the IceCube Lab). Wouldn’t that be fun? […]
Last week at the Pole the entire winterover crew got together to take a group photo. They normally do this each year, but not always with such spectacular results. This year they chose an outdoor venue with an aurora backdrop. […]
Station life was quiet last week. Outside, the auroras kept themselves a bit quiet, too. Instead, folks were treated to a nice moon halo on display. […]