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B0 Meson Lifetime Difference Measured By ATLAS

I feel one could describe the new B-physics result by ATLAS as "stalking". A very subtle detail...

Prescaled Jet Triggers: The Rationale Of Randomly Picking Events

In a chapter of the book I have written, "Anomaly! - Collider physics and the quest for new phenomena...

Catching The 750 GeV Boson With Roman Pots ?!

I am told by a TOTEM manager that this is public news and so it can be blogged about - so here...

Scavenging LHC Data: The CMS Data Scouting Technique

With the Large Hadron Collider now finally up and running after the unfortunate weasel incident...

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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 »

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As an editor of the new Elsevier journal "Reviews in Physics" I am quite proud to see that the first submissions of review articles are reaching publication stage. Four such articles are going to be published in the course of the next couple of months, and more are due shortly thereafter. 
While in the process of fact-checking information that is contained in the book I am finalizing, I had the pleasure to have a short discussion with Gordon Kane during the weekend. A Victor Weisskopf distinguished professor at the University of Michigan as well as a director emeritus of the Michigan Center for Theoretical Physics, Gordon is one of the fathers of Supersymmetry, and has devoted the last three decades to its study.
I was very happy today to sign a contract with an international publisher that will publish a book I have written. The book, titled "Anomaly! - Scientific Discoveries and the Quest for the Unknown", focuses on the CDF experiment, a particle detector that operated at the Tevatron collider for 30 years. 
The Tevatron was the highest-energy collider until the turn-on of the LHC. The CDF and DZERO experiments there discovered the sixth quark, the top, and produced a large number of world-class results in particle physics. 

As I am revising the book I am writing on the history of the CDF experiment, I have bits and pieces of text that I decided to remove, but which retain some interest for some reason. Below I offer a clip which discusses the measurement of the natural width of the Z boson produced by CDF with Run 0 data in 1989. The natural width of a particle is a measurement of how undetermined is its rest mass, due to the very fast decay. The Z boson is in fact the shortest lived particle we know, and its width is of 2.5 GeV.

In a bit less than two days an orbiting object known with the peculiar name of WT1190F - but I'd like to rename it as WTF 1190 for obvious reasons - is expected to fall on Earth. The object was discovered by the Catalina Sky Survey in 2013 and little is known about its origin. It has a low density and makes a very eccentric revolution around us every three weeks. 
Below is a picture taken by the University of Hawaii 2.2 meter telescope in October. The object is observed as a bright spot that shows a relative motion with respect to fixed stars.



Top quarks, the heaviest known elementary particles, were discovered in 1995 by the CDF and DZERO collaborations, when the two Fermilab experiments spotted the decay of  top-antitop pairs produced by strong interactions in the proton-antiproton collisions provided by the Tevatron collider at 1.8 TeV center-of-mass energy.