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



Things that Decay into Boson Pairs

by Tommaso Dorigo

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.

One of the things that the review must cover is a theoretical overview of the models that the searches for these physics processes address. So I thought I would say a few words on this topic here – but bear in Continue reading “Things that Decay into Boson Pairs”

How I Learned to Stop Worrying and Love the Higgs

by Seng-Pei Liew

Recently we have witnessed the birth of gravitational-wave astronomy, as gravitational waves were directly observed for the first time. Subsequently, gravitational waves due to binary neutron star merger were detected along with associated electromagnetic events, opening a new era of multi-messenger astronomy. Continue reading “How I Learned to Stop Worrying and Love the Higgs”

Summer activities at LIP-Lisbon

by Giles Strong

So, it’s been a while since my last post, apologies for that, but the summer has been both busy and eventful, so let me summarise what’s been happening. Continue reading “Summer activities at LIP-Lisbon”

The Physics of Vector Boson Pairs

by Tommaso Dorigo

At 10:00 AM this morning, my smartphone alerted me that in two months I will have to deliver a thorough review on the physics of boson pairs – a 50 page thing which does not yet even exist in the world of ideas. So I have better start planning carefully my time in the next 60 days, to find at least two clean weeks where I may cram in the required concentration. That will be the hard part!

Because of that, rather than an article about things that I know about boson pairs, this is a post about things I do not know well enough now, but on which my knowledge will see a rapid expansion in the near future. Don’t get me wrong: I know the matter, from the history of research in this interesting sub-field Continue reading “The Physics of Vector Boson Pairs”

«Es chulo», or «This night, I almost cried»

by Pietro Vischia

Today I had a very full day. It started with a working meeting (an informal meeting of the people working on some analysis) for planning how to improve the EWkino analysis (one of the searches for new physics we are involved in) with the new data CMS is taking. I then went on to the UniOvi CMS group weekly meeting, in which we all meet in the large common office (plus some people connected in videoconference from CERN) to discuss the various topics the group is involved it. Let me delay to another occasion my rant on the amount of CMS meetings we are subjected to!

Then, after some quick and frenetic coding work, I Continue reading “«Es chulo», or «This night, I almost cried»”

CT-PPS Detector Alignment

by Giles Strong

Continuing on from my last post, in which I described part of the service work I am doing in the CMS experiment, I’ll now give an overview of the second project I work on, which takes place in the context of the CT-PPS sub-detector of the CMS experiment.

CT-PPS, located on both sides of the main bulk of CMS some 200 metres from the interaction point, stands for CMS-TOTEM Precision Proton Spectrometer. The experiment is a joint project Continue reading “CT-PPS Detector Alignment”

Tau Identification At CMS With Neural Networks

by Giles Strong

Both the CMS and ATLAS collaborations are pretty vast, with around 5000 qualified scientist between them, and even more members working towards qualification. Everyone listed as ‘qualified’ will be listed as an author on any publication the collaboration produces, regardless of who actually did the major work for the analysis. Continue reading “Tau Identification At CMS With Neural Networks”

Muon G-2: The Anomaly That Could Change Physics

by Tommaso Dorigo

Do you remember the infamous “g-2” measurement ? The anomalous magnetic moment of the muon has been for over a decade in the agenda of HEP physicists, both as a puzzle and as a hope for good things to come.

Ever since the Brookhaven laboratories estimated the quantity at a value over 3 standard deviations away from the equally precise theoretical predictions, the topic (could the discrepancy be due to new physics??) has been commonplace in dinner table conversations among HEP physicists.

Similarly, no self-respected “global fit” of standard model observable quantities or scan of allowed parameter space of supersymmetric theories Continue reading “Muon G-2: The Anomaly That Could Change Physics”

SciComm in Erice

by Giles Strong

Last week I, along with fellow network ESR Pablo, attended the International School of Science Journalism in Erice, on the Italian island of Sicily. As regular readers of this blog will know, scientific outreach plays an important role in our network activities, and I’d attended with the hope of gaining tips for better simplifying and presenting my research. Continue reading “SciComm in Erice”

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