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Katrin

All articles tagged with #katrin

science26 days ago•35 min saved

Right-Handed Neutrinos Hint at a Hidden Dimension in Dark Dimension Theory

Scientists analyzing data from the Karlsruhe Tritium Neutrino Experiment (KATRIN) explore whether a heavy, right-handed neutrino could reside in a hidden micron-scale dimension as suggested by the Dark Dimension Proposal; by translating KATRIN beta-decay spectra into a test for extra dimensions, they identify two regions where a kink in the spectrum would reveal such a particle, potentially linking neutrino physics to dark matter, dark energy, and a changing cosmological constant and guiding future experiments.

via Yahoo|

#cosmological-constant #dark-dimension #katrin

science5 months ago•4 min saved

Physicists End Decade-Long Search, Rule Out Elusive Sterile Neutrino

The KATRIN experiment has conducted the most sensitive search yet for sterile neutrinos using tritium beta-decay measurements, but found no evidence for their existence, thereby narrowing the parameter space and challenging previous anomalies suggesting such particles. Future data collection and upgrades aim to further explore higher mass ranges, potentially shedding light on dark matter candidates.

via SciTechDaily|

#dark-matter #katrin #neutrinos

science10 months ago•4 min saved

KATRIN experiment tightens limits on neutrino interactions

The KATRIN experiment has analyzed data to set new constraints on hypothetical general neutrino interactions that could indicate physics beyond the standard model, although no signs of these interactions have been detected yet. The experiment aims to measure neutrino mass and is expanding its search for new physics phenomena, with future phases expected to improve sensitivity.

via Phys.org|

#beta-decay #katrin #neutrino-interactions

science1 year ago•17 min saved

Neutrino Mass Mystery Shrinks Further

Recent experiments, particularly KATRIN, have set the tightest constraints yet on the mass of the electron neutrino, showing it can be no more than 0.45 eV/c², which has significant implications for understanding the universe's composition and the role of neutrinos in cosmic evolution. Despite these constraints, the exact mass of neutrinos remains unknown, and further research is needed to fully understand their properties and impact on cosmology.

via Big Think|

#cosmic-neutrino-background #katrin #mass

physics2 years ago•6 min saved

"Heating Up the Race to Weigh the Mysterious Neutrino"

Physicists are racing to weigh neutrinos, the mysterious elementary particles, with the KATRIN detector in Germany currently leading the effort. Alternative approaches are being developed at various laboratories, with the goal of building scaled-up versions to compete with or improve upon KATRIN. These efforts are driven by the need to measure the tiny masses of neutrinos, which could potentially challenge current estimates from cosmology. Techniques such as electron capture and the Project 8 experiment are being explored to achieve greater sensitivity in neutrino mass measurements.

via Nature.com|

#electron-capture #experimental-techniques #katrin