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Holiday Chess Riddle

During Christmas holidays I tend to indulge in online chess playing a bit too much, wasting several...

Why Measure The Top Quark Production Cross Section?

As part of my self-celebrations for XX years of blogging activities, I am reposting here (very)...

The Buried Lottery

As part of my self-celebrations for having survived 20 years of blogging (the anniversary was a...

Twenty Years Blogging

Twenty years ago today I got access for the first time to the interface that allowed me to publish...

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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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New CMS Constraints On SUSY

New CMS Constraints On SUSY

Jul 11 2011 | comment(s)

While other sources (voluntarily not linked here, to avoid pissing off my collaborators) choose to be "on the news" these days, with a brand new exclusion plot of the Higgs boson obtained using almost one full inverse femtobarn of collisions which is not yet public but was made accessible by mistake on a Fermilab site, I will meekly point you out today to another result, which is by all means public and freely reproducible here (no reproach to Phil intended here -he acted in good faith and the fault is not his).
Guess The Plot 5

Guess The Plot 5

Jul 07 2011 | comment(s)

This instance of my "guess the plot" contest will be hopefully raising fewer controversies than the former one. You are asked to explain what the figure represents, possibly guessing the units on the x and y axes.

More advanced readers may know at a glance what this plot is and where it comes from. To them, I ask the favour to wait one day (to not spoil the game to the less knowledgeable users) before trying a harder challenge: by heart, explain the meaning of every single distribution shown -e.g. provide the correct key of the masked legend on the right.
DZERO Charge Asymmetry Grows To 3.9 Standard Deviations

DZERO Charge Asymmetry Grows To 3.9 Standard Deviations

Jul 04 2011 | comment(s)

The DZERO collaboration has just produced an update of their analysis of the dimuon charge asymmetry using 9.0 inverse femtobarns of proton-antiproton collisions. The new result confirms the previously reported effect, raising the discrepancy with the Standard Model prediction to over four standard deviations.
The Say Of The Week

The Say Of The Week

Jul 04 2011 | comment(s)

"I envy University Professors. They are paid to question people who know nothing but try very hard to say something, while I have to question people who know everything but do their utmost to say nothing at all."
Piercamillo Davigo, Italian Judge investigating corrupt politicians
A New Blog Out There!

A New Blog Out There!

Jun 28 2011 | comment(s)

I am quite happy today to announce here that there is a new blog to visit, and to bookmark!, for those among you who are interested to know what does a PhD in physics do after he or she graduates. In particular, as is explained in the subtitle, the question that the blog addresses are:

What are the sectors of employment for a physics graduate? How do you get a job in keeping with your studies/interests?
The Plot Of The Week - MSSM Higgs Limits

The Plot Of The Week - MSSM Higgs Limits

Jun 28 2011 | comment(s)

I feel quite grateful to the DZERO collaboration for publishing today in the Cornell arxiv the preprint of their search for neutral MSSM Higgs bosons in the tau-pair decay mode. Not more than 12 hours ago in fact I had been looking for a suitable figure which could summarize the status of searches for those particles, to help a student who is about to graduate; but had not found anything satisfactory.