APS: sterile neutrinos fading as a possibility

[notFritzArgelander]

Of possible cosmological significance and astrophysical importance, experiments in earthly labs have severely limited the properties of the sterile neutrino.

Neutrino experiments place the most stringent limits to date on a hypothetical fourth neutrino, but the possibility that such a particle exists remains open.

This is not looking good for this dark matter candidate.

https://physics.aps.org/articles/v13/123

[helicon]

At least two of the three flavors have a nonzero mass. But the problem I assume is that this has yet to be detected....

And as the article states:

These conflicts mean that additional data are still needed to resolve the sterile neutrino problem, particularly from the Short Baseline Neutrino Program at Fermilab. Moreover, the MINOS+ Collaboration still has to analyze the last year of data from their experiments and the Daya Bay Collaboration has two additional years of data-taking to look at. That further data could provide valuable evidence in favor of or against the existence of sterile neutrinos.

Need more data...

[notFritzArgelander]

At least two of the three flavors have a nonzero mass. But the problem I assume is that this has yet to be detected....

......
Need more data...

So far cosmology only gives the sum of the masses and lab results give differences of squares of masses. Another method giving a different measurement would be brilliant.