A Quantum Diaries Survivor

Tommaso Dorigo

Tommaso Dorigo

Tommaso Dorigo is an experimental particle physicist, who works for the INFN at the University of Padova, and collaborates with the CMS experiment at the CERN LHC. He is currently a RECAT Guest Professor at Lulea University of Technology, and partici…
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Diboson Resonances - Part 2

Diboson Resonances - Part 2

In the previous post I discussed the generalities of "diboson production" at the LHC. Dibosons are pairs of elementary bosons - the photon (carrier of electromagnetic interactions), the W and Z bosons (carriers of the weak interaction, respectively charged and neutral), the gluon (carrier of the strong interaction, and coming in 8 undistinguishable varieties), and the Higgs particle. 

Diboson Resonances: A Whole New World - Part 1

Diboson Resonances: A Whole New World - Part 1

After one quite frantic November, I emerged victorious two weeks ago from the delivery of a 78-pages, 49-thousand-word review titled "Hadron Collider Searches for Diboson Resonances". The article, which will be published in the prestigious "Progress in Particle and Nuclear Physics", an Elsevier journal with an impact factor above 11 (compare with Physics Letters B, IF=4.8, or Physical Review Letters, IF=8.5, to see why it's relevant), is currently in peer review, but that does not mean that I cannot make a short summary of its contents here.

Alpha Zero Teaches Itself Chess 4 Hours, Then Beats Dad

Alpha Zero Teaches Itself Chess 4 Hours, Then Beats Dad

Peter Heine Nielsen, a Danish chess Grandmaster, summarized it quite well. "I always wondered, if some superior alien race came to Earth, how they would play chess. Now I know". The architecture that beat humans at the notoriously CPU-impervious game Go, AlphaGo by Google Deep Mind, was converted to allow the machine to tackle other "closed-rules" games. Successively, the program was given the rules of chess, and a huge battery of Google's GPUs to train itself on the game. Within four hours, the alien emerged. And it is indeed a new class of player.

Another Nice Review Of "Anomaly!"

Another Nice Review Of "Anomaly!"

It was nice to find John Duffield's review of my book "Anomaly! Collider Physics and the Quest for New Phenomena at Fermilab" in the Amazon site today.

When Ignorance Kills Human Progress, And A Petition You Should Sign

When Ignorance Kills Human Progress, And A Petition You Should Sign

An experiment designed to study neutrinos at the Gran Sasso Laboratories in Italy is under attack by populistic media. Why should you care? Because it's a glaring example of the challenges we face in the XXI century in our attempt to foster the progress of the human race.What is a neutrino? Nothing - it's a particle as close to nothing as you can imagine. Almost massless, almost perfectly non-interacting, and yet incredibly mysterious and the key to the solution of many riddles in fundamental physics and cosmology. But it's really nothing you should worry about, or care about, if you want to lead your life oblivious of the intricacies of subnuclear physics. Which is fine of course - unless you try to use your ignorance to stop progress.

My Interview On Physics Today

My Interview On Physics Today

Following the appearance of Kent Staley's review of my book "Anomaly!" in the November 2017 issue of Physics Today, the online site of the magazine offers, starting today, an interview with yours truly. I think the piece is quite readable and I encourage you to give it a look. Here I only quote a couple of passages for the laziest readers.

Anomaly Reviewed On Physics Today

Anomaly Reviewed On Physics Today

Another quite positive review of my book "Anomaly! Collider Physics and the Quest for New Phenomena at Fermilab"  (which these days is 40% off at the World Scientific site I am linking) has appeared on Physics Today this month.

Things That Can Decay To Boson Pairs

Things That Can Decay To Boson Pairs

Writing a serious review of research in particle physics is a refreshing job - all the things that you already knew on that specific topic once sat on a fuzzy cloud somewhere in your brain, and now find their place in a tidily organized space, with clear interdependence among them. That's what I am experiencing as I progress with a 60-pageish thing on hadron collider searches for diboson resonances, which will appear sometime next year in a very high impact factor journal.

The Future Of The LHC, And The Human Factor

The Future Of The LHC, And The Human Factor

Today at CERN a workshop started on the physics of the High-Luminosity and High-Energy phases of Large Hadron Collider operations. This is a three-days event meant at preparing the ground for the decision on which, among several possible scenarios that have been pictured for the future of particle physics in Europe, will be the one on which the European Community will invest in the next few decades. The so-called "European Strategy for particle physics" will be decided in a couple of years, but getting the hard data on which to base that crucial decision is today's job. Some context

A Simple Two-Mover

A Simple Two-Mover

My activity as a chessplayer has seen a steady decline in the past three years, due to overwhelming work obligations. To play in chess tournaments at a decent level, you not only need to be physically fit and well trained for the occasion, but also have your mind free from other thoughts. Alas, I have been failing miserably in the second and third of the above requirements. So I have essentially retired from competitive chess, and my only connection to the chess world is through the occasional 5-minute blitz game over the internet.

What Is Statistical Significance?

What Is Statistical Significance?

Yesterday, October 20, was the international day of Statistics. I took inspiration from it to select a clip from chapter 7 of my book "Anomaly! Collider physics and the quest for new phenomena at Fermilab" which attempts to explain how physicists use the concept of statistical significance to give a quantitative meaning to their measurements of new effects. I hope you will enjoy it....----

Merging Neutron Stars: Why It's A Breakthrough, And Why You Should Stand Your Ground

Merging Neutron Stars: Why It's A Breakthrough, And Why You Should Stand Your Ground

Like many others, I listened to yesterday's (10/16/17) press release at the NSF without a special prior insight in the physics of neutron star mergers, or in the details of the measurements we can extract from the many observations that the detected event made possible. My knowledge of astrophysics is quite incomplete and piecemeal, so in some respects I could be considered a "layman" listening to a science outreach seminar. Yet, of course, as a physicist I have a good basic understanding of the processes at the heart of the radiation emissions that took place two hundred million years ago in that faint, otherwise unconspicuous galaxy in Hydra.