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On Rating Universities

In a world where we live hostages of advertisement, where our email addresses and phone numbers...

Goodbye Peter Higgs, And Thanks For The Boson

Peter Higgs passed away yesterday, at the age of 94. The scottish physicist, a winner of the 2013...

Significance Of Counting Experiments With Background Uncertainty

In the course of Statistics for Data Analysis I give every spring to PhD students in Physics I...

The Analogy: A Powerful Instrument For Physics Outreach

About a month ago I was contacted by a colleague who invited me to write a piece on the topic of...

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Tommaso DorigoRSS Feed of this column.

Tommaso Dorigo is an experimental particle physicist, who works for the INFN at the University of Padova, and collaborates with the CMS and the SWGO experiments. He is the president of the Read More »

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I do not know about you, but top quarks fascinate me. Since my early years as a student in particle physics I participated in the top search, and then the top discovery, with the CDF experiment at the Tevatron collider; and I then worked for many more years with top quark samples. And that particle is fascinating for many different reasons: its phenomenology, the richness of its decays, its mass close to the scale of electroweak symmetry breaking.

I feel honored by having had a chance to study the first few tens of top quark events that physicists have been able to produce, and yet I regret that during the last few years I have been unable to put my hands on the much larger datasets collected by the CDF experiment.
The Carnival of Physics is an event organized by Gravità Zero and Gravedad Cero, two sites of scientific outreach in Italy and Spain. I participate with three recent articles which are published on their site. Most other contributions are in Italian and Spanish, but you might still find it interesting to visit the two sites (which feature different contributions). Among the sponsors of this enterprise are WIRED, El Pais, Publico, and La Stampa.




Last night the Large Hadron Collider at CERN has circulated the highest-energy beams of particles ever produced. The beam energy has been brought up from the injection energy of 450 GeV to 1.18 TeV, thus outperforming by 20% the flattop beam energy of the Tevatron collider, Fermilab's proton-antiproton collider, which operates at a beam energy of 980 GeV.
Tomorrow morning Venice will sink under a maximum tide predicted to reach 1.30 meters above average sea level. The event will occur at 8.35AM, a time when Venetian residents are in the streets trying to bring children to school or to reach their workplace. You can see the predicted evolution of the tide in the graph below, where the red curve shows the time variation of the season's average, and the blue one the actual prediction for tomorrow. The peak of 130 cm above average sea level is predicted to occur at 8.35AM -which is 2.35AM in New York, or 5.35PM in Tokyo.
"There is no such thing as a theoretical uncertainty. All there is is theoretical stupidity"

Guido Altarelli
This is the second part of a two-part collection of tips for particle physics graduate students. The first part is here.

Three: be a fool today if you want to be a guru tomorrow



The third advice I have in store for Jane is maybe the toughest to follow, at least at first. But I do believe it is of critical importance for her to grow, become knowledgeable, and distinguish herself from the rest of the pack.