Search

AMVA4NewPhysics

A Marie Sklodowska-Curie ITN funded by the Horizon2020 program of the European Commission

Author

dorigo

I am the scientific coordinator of the AMVA4NewPhysics network. As a member of the CMS experiment at CERN I do research in fundamental physics. I am also an editor of the scientific journal "Reviews in Physics" by Elsevier.

W Mass: Closing In

by Tommaso Dorigo

After a lot of agonizing work on tiny systematic uncertainties, the ATLAS collaboration released in time for the Moriond conference their latest measurement of the W boson mass (in fact the only one so far). The result is in close match with previous determinations, and has a slightly larger error bar than those. So why bother discussing it here ?

There is a reason. The W boson is one of the most important subatomic particles Continue reading “W Mass: Closing In”

Fighting Gender Bias

by Tommaso Dorigo

As the few regulars of this blog know, the AMVA4NewPhysics network has in its genes a strong will to fight for gender neutrality in its areas of operation – research in Particle Physics and Applied Statistics. We started off this endeavour 2.5 years ago by including three women as PI of beneficiary nodes out of a total of eight, which was *almost* good. But their research record was outstanding, too, which helped us getting funded!

So that was easy. What was less easy was to deliver what we promised in our programme – a hiring practice capable of producing a gender-balanced pool Continue reading “Fighting Gender Bias”

Decision Trees, Explained to Kids

by Tommaso Dorigo

Decision trees are one of the many players in the booming field of supervised machine learning. They can be used to classify elements into two or more classes, depending on their characteristics. Their interest in particle physics applications is large, as we always need to try and decide on a statistical basis what kind of physics process originated the particle collision we see in Continue reading “Decision Trees, Explained to Kids”

Anomaly! Now Available As E-Book

by Tommaso Dorigo

Today I would like to mention that my book “Anomaly! Collider Physics and the Quest for New Phenomena at Fermilab” is now available for purchase as E-Book at its World Scientific site.
For the occasional readers and the absent-minded regulars, below I paste a summary of what the book is about, the endorsements it received from distinguished scientists in the field, and a few links to reviews in internet resources. The web site of the book at World Scientific is here. At the WS site you Continue reading “Anomaly! Now Available As E-Book”

New Decay Of Lambda_b Seen By LHCb!

by Tommaso Dorigo

The so-called Lambda_b baryon is a well-studied particle nowadays, with several experiments having measured its main production properties and decay modes in the course of the past two decades. It is a particle made of quarks: three of them, like the proton and the neutron. Being electrically neutral, it is easily likened to the neutron, which has a quark composition “udd”. In the space of quark configurations, the Lambda_b is in fact obtained by exchanging a down-type Continue reading “New Decay Of Lambda_b Seen By LHCb!”

A Slow-Motion Particle Collision

by Tommaso Dorigo

Lubos Motl published the other day in his crazily active blog a very nice new review of “Anomaly! Collider Physics and the Quest for New Phenomena at Fermilab“. The review is authored by Tristan du Pree, a colleague of mine who has worked in CMS until very recently – now he moved to a new job and changed to ATLAS! (BTW  thanks Lubos, and thanks Tristan!)

I liked a lot Tristan’s commentary of my work, and since he mentions with quite appreciative terms the slow-motion description of a peculiar collision I offer in my book, I figured I’d paste that below. But before I do that, let Continue reading “A Slow-Motion Particle Collision”

Art and Science: Outreach in Venice

by Tommaso Dorigo

In a few days, students from five high schools in Venice will be lectured on particle physics, the Higgs boson, the giant detectors of today’s colliders, and will be treated with pictures and graphs aimed at stimulating their artistic vein.

This initiative, which is part of the “CREATIONS” EU project, is carried out by personnel of the AMVA4NewPhysics network – another EU project, the one I am coordinating since 2015. The idea is that students of the third and fourth year of high school spend the months of February through May creating artwork inspired by particle physics. The best of these works will be exposed during EPS 2017, the international conference that takes place this July in the Lido of Venice.

Continue reading “Art and Science: Outreach in Venice”

The Three Cubes Problem

by Tommaso Dorigo

Two days ago, before returning from Israel, my fiancee Kalliopi and I had a very nice dinner in a kosher restaurant near Rehovot in the company of Eilam Gross, Zohar Komargodski, and Zohar’s wife Olga.

The name of Eilam should be familiar to LHC enthusiasts, as he was the Higgs convener of the ATLAS collaboration when the particle was discovered. As for Zohar, he is a brilliant theorist working in applications of quantum field theory. He is young but already won several awards, among them the prestigious New Horizons in Physics Continue reading “The Three Cubes Problem”

TTH or TT & H ?

by Tommaso Dorigo

Today while I was having a shower I happened to think at how cool it is that we can actually measure the rate of production, in single hadron-hadron collisions, of multiple elementary particles. A graph like the one below, now routinely produced by ATLAS and CMS whenever they collect more data or switch to a higher center-of-mass energy, looks “natural” to produce, but it is actually surprising that we indeed can pull it off – it requred careful design choices in a number of ways. I wish to discuss one of these here.

Continue reading “TTH or TT & H ?”

Blog at WordPress.com.

Up ↑