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Latest news concerning our Physics subjects

...Events of the month

The calendar of seminars, conferences and other events of the Belgian High Energy Physics community

First TEST Collisions at 13 TeV

On the May 20-21st 2015 night, protons collided in the Large Hadron Collider (LHC) at the record-breaking energy of 13 TeV for the first time in the history. These are test collisions, aimed to set up systems that protect the machine and detectors from particles that stray from the edges of the beam. Stay tuned for real collisions for physics, in early June! ...Read more (and see event displays!) on CMS website

Top Quark at Fermilab

Scientists on the CDF and DZero experiments at Fermi National Accelerator Laboratory have announced evidence of the electro-weak production of the top quark, in the most rare, difficult-to-detect channel. This wonderful achievement completes the ground-breaking contribution of the Tevatron accelerator to the knowledge of top quark particle. ...Read more on FermiLab press release

Production of new RPC in Ghent is going on at full pace!

Since many months, Department laboratories are busy in assembly the RPC modules to be ready for LHC restarting in 2015. This is a challenge that really bridges the borders across several countries, all over the world! ...Read more on CMS website

New results about neutrino emission with IceCube

A search for neutrino point sources using muons collected between April 2008 and May 2011 by the IceCube experiment has set new constraints for several models that predict astrophysical neutrino emission. Thanks to the great IceCube-F"s sensitivity, some of the most popular models are already ruled out. ...Read more on Ice Cube website

Extremely high energy neutrinos!

IceCube experiment has reported that they have detected the two highest-energy neutrinos ever observed. These particles stomped the competition, coming in with about 10 times the energy of the previous record-holder. Catching them could be an important step toward solving one of the greatest mysteries of modern astrophysics: Where do ultra-high-energy cosmic rays come from? In data collected between May 2010 and May 2012, IceCube scientists found two neutrinos that stuck out$-1rtwith energies of about 1000 tera-electronvolts. ...Read more on Symmetry Magazine

New CMS results at Moriond (QCD) 2013

Following the results presented at the electroweak session of the annual winter conference, Rencontres de Moriond, CMS has now presented many new results for this week-F"s quantum chromodynamics (QCD) session. The results include many searches for new physics as well as some of the best measurements to date of known Standard Model processes. A few of the results are highlighted below. ...Read more on CMS website

New CMS results at Moriond (Electroweak) 2013

CMS is presenting a wide range of results for the annual winter conference, Rencontres de Moriond. The first week of Moriond (3-8 March 2013) is devoted primarily to electroweak (EW) studies. Among the CMS results are further studies of the recently discovered Higgs boson candidate, searches for new physics beyond the Standard Model and precision measurements of the properties of the top quark. We present below brief highlights from a few of the many excellent analyses that will be shown at the conference. ...Read more on CMS website

CMS homes in on the heaviest quark

The top quark is the heaviest point-like particle known. It weighs about as much as an atom of tungsten yet is an elementary building block of the Standard Model of particle physics. Its mass is one of the model's important parameters and is directly related via radiative corrections to the masses of the W and Higgs bosons. Precise knowledge of the top quarkN"s mass is therefore extremely valuable to constrain theoretical models. ...Read more on CERN Courier

Highlights of CMS results presented at HCP

At the Hadron Collider Physics (HCP) Symposium held in Kyoto, Japan on 12-16 November 2012, CMS presented many new results, including updates on the search for the Standard Model (SM) Higgs boson as well as Supersymmetry (SUSY). Several of these results use, in addition to the data collected in 2011, 12 fb-1 of data at a centre-of-mass energy of 8 TeV, collected in 2012 by the CMS detector up to only a few weeks before the conference. ...Read more on CMS Times