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The Problem With Peer Review

In a world where misinformation, voluntary or accidental, reigns supreme; in a world where lies...

Interna

In the past few years my activities on this site - but I would say more in general, as the same...

The Probability Density Function: A Known Unknown

Perhaps the most important thing to get right from the start, in most statistical problems, is...

Summer Lectures In AI

Winter is not over yet, but I am already busy fixing the details of some conferences, schools,...

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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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Learn To Compute Higgs Limits On The Fly

Learn To Compute Higgs Limits On The Fly

Nov 04 2009 | comment(s)

I am presently into the second week of my lessons of Subnuclear Physics for the 2nd year of specialization in Physics, and I have just finished a lesson discussing the current searches for the Higgs boson at the Tevatron collider. Since the course has a focus on experimental techniques, I found it useful today to give as an exercise the determination of an order-of-magnitude estimate of cross section limits that the CDF experiments can set on a 160 GeV Higgs boson, with the data so far analyzed. It is an exercise I worked out by heart during my walk to the Physics Department: this should tell you it is not of overpowering difficulty.
The Continuing Quest For Flavor-Changing Neutral Currents

The Continuing Quest For Flavor-Changing Neutral Currents

Nov 02 2009 | comment(s)

These days the Higgs boson search is a bit over-hyped, with the impending competition between Tevatron and LHC on the discovery of the fabled boson making headlines every time there is a new, even minor, update in the results of the CDF and D0 experiment. But the hunt is on for many other, maybe even more interesting, rare processes.
A Week's Worth Of Science: Four Papers To Browse

A Week's Worth Of Science: Four Papers To Browse

Nov 01 2009 | comment(s)

A Sunday morning browsing through preprints recently posted in the Cornell Arxiv revealed interesting reading material. If you have a couple of hours to kill next week, why not having a look at the following papers ? It will definitely hurt you less than spending the time on your WII or watching Jerry Springer.
Plot Of The Week - The Upsilon Puzzle

Plot Of The Week - The Upsilon Puzzle

Oct 28 2009 | comment(s)

My statistics page depressingly shows that a large fraction of readers who visit this site do so for an average of 30 seconds. Maybe they were looking for something different, or maybe they do not like the content offered here. In any case, I have decided that my long, detailed articles about particle physics are not exactly meeting the demand of the audience. I am not going to change my writing style because of that, of course, but I will try to also offer some thirty-seconds physics bits here, every once in a while. So let me make a dry run, using a recent result by the CDF collaboration. The clock may start.
The Say of the Week - on Black Cats

The Say of the Week - on Black Cats

Oct 27 2009 | comment(s)

"A black cat crossing your path signifies that the animal is going somewhere".

Groucho Marx
Guest Post: Marco Cardin,

Guest Post: Marco Cardin, "Imaging Venus In Violet Light"

Oct 24 2009 | comment(s)

I have known Marco Cardin for a couple of years because besides being an accomplished amateur astro-imager he is also an avid visual observer. His encyclopedic knowledge of the night sky wonders is a great help on the field during the monthly night-long observations in dark, moonless nights we spend on the eastern Alps, trying to squeeze the most out of the 16" Dobson telescopes we carry with us. These instruments have no fancy "go-to" features, but with Marco's help and organization we can frame close to 100 rarely seen objects per night.