The Quote Of The Week - Neutrino Mass Hierarchy and Matter Effects

Interaction with matter changes the neutrino mixing and effective mass splitting in a way that...

Will Do Peer Review - For Money

Preparing the documents needed for an exam for a career advancement, to a scientist like me, is...

Tight Constraints On Dark Matter From CMS

Although now widely accepted as the most natural explanation of the observed features of the universe...

The Periodic Diet

It is a well-known fact that given the availability of food, we eat far more than what would be...

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Tommaso DorigoRSS Feed of this column.

I am an experimental particle physicist working with the CMS experiment at CERN. In my spare time I play chess, abuse the piano, and aim my dobson telescope at faint galaxies.... Read More »

Two years have passed since the discovery of the Higgs boson (on July 4th, 2012), and the young particle still causes excitement. Originally it was the excess of Higgs decays to photon pairs as seen by the ATLAS experiment - but that anomaly has vanished with more data and more careful analyses. Then, it was the turn of the twin peaks: ATLAS again saw an inconsistent mass measurement with photon pairs and Z boson pairs.
Among the many more-or-less boring news from the ICHEP conference (International Conference on High Energy Physics), which is presently going on in Valencia (Spain), one bit today is sending good vibrations through the spine of many of the few phenomenologists who have chosen to remain faithful to the idea of Supersymmetry all the way to the bitter end. It is the excess of diboson events that ATLAS has just reported there.
A couple of weeks ago I reported here about the new measurement of the Higgs boson mass produced by the ATLAS experiment. That determination, which used the full dataset of Run 1 proton-proton collisions produced by the LHC in 2011-2012, became and remained for two weeks the most precise one of the Higgs mass. Alas, as I wrote the piece I already knew that CMS was going to beat that result very soon, but of course I could not say anything about it... It ached a bit!
Forty-eight centuries ago, a bronze-age settlement flourished on the southern coast of Peloponnese, about 30 miles south of what would two thousand years later become the important town of Sparta. The city had a harbour facing east on calm waters, and had a few dozen buildings, roads, a burial site, and probably more. We do not know its ancient name, so the place has been called with the name of the modern-times place, Pavlopetri.