<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div><font class="Apple-style-span" face="'Courier New'"><div>TRIUMF and ATLAS-Canada</div><div><br></div><div>News Release | For Immediate Release | November 26, 2010</div><div><br></div><div>ATLAS Scientists catch glimpse of the Primordial Universe</div><div>---------------------------------------------------------</div></font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">(Vancouver, BC) -- After less than three weeks of colliding lead ions at</font></div><div><font class="Apple-style-span" face="'Courier New'">the highest energies ever achieved, scientists at the LHC laboratory in </font></div><div><font class="Apple-style-span" face="'Courier New'">Geneva, Switzerland, already have brought new insight into the universe </font></div><div><font class="Apple-style-span" face="'Courier New'">as it existed immediately after the Big Bang. Temperatures at the collision</font></div><div><font class="Apple-style-span" face="'Courier New'">point reached trillions of degrees, about the temperature that the lead </font></div><div><font class="Apple-style-span" face="'Courier New'">nuclei would literally melt into a "soup" of its basic building blocks. </font></div><div><font class="Apple-style-span" face="'Courier New'">Indeed, scientists of the ATLAS collaboration are the first ever to observe</font></div><div><font class="Apple-style-span" face="'Courier New'">direct evidence of "jets" of particles as they pass through this hot, </font></div><div><font class="Apple-style-span" face="'Courier New'">primordial soup. Detector technology developed in Canada was critical to </font></div><div><font class="Apple-style-span" face="'Courier New'">this success. The ATLAS paper was accepted by the prestigious journal </font></div><div><font class="Apple-style-span" face="'Courier New'">Physical Review Letters a few hours after submission.</font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">This result highlights the discovery potential of the LHC and the giant </font></div><div><font class="Apple-style-span" face="'Courier New'">ATLAS detector. The accelerator is operating at half energy and a fraction </font></div><div><font class="Apple-style-span" face="'Courier New'">of the design intensity as scientists and engineers are methodically increase </font></div><div><font class="Apple-style-span" face="'Courier New'">its capabilities, yet ground-breaking results are already starting to appear. </font></div><div><font class="Apple-style-span" face="'Courier New'">This direct observation of so-called "jet quenching" may be the strongest </font></div><div><font class="Apple-style-span" face="'Courier New'">evidence yet of formation of a "quark-gluon" plasma, predicted by theorists </font></div><div><font class="Apple-style-span" face="'Courier New'">to have existed about a billionth of a second after the Big Bang. Scientists </font></div><div><font class="Apple-style-span" face="'Courier New'">now have another avenue to study this ultra-exotic form of matter. </font></div><div><font class="Apple-style-span" face="'Courier New'"> </font></div><div><font class="Apple-style-span" face="'Courier New'">Canadian-built detectors called "forward calorimeters" were instrumental to </font></div><div><font class="Apple-style-span" face="'Courier New'">this observation. These particle detectors need to operate in the most </font></div><div><font class="Apple-style-span" face="'Courier New'">intense interactions hot-spots near the LHC collision points, and took years</font></div><div><font class="Apple-style-span" face="'Courier New'">to develop, test and install into ATLAS. </font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">"This breakthrough is a testament to the great success of the Canadian</font></div><div><font class="Apple-style-span" face="'Courier New'">detectors built for ATLAS", said Robert McPherson from the University of </font></div><div><font class="Apple-style-span" face="'Courier New'">Victoria and Institute of Particle Physics, Spokesperson of the ATLAS-Canada </font></div><div><font class="Apple-style-span" face="'Courier New'">collaboration. "The Carleton University and University of Toronto groups who </font></div><div><font class="Apple-style-span" face="'Courier New'">led the forward calorimeter construction effort in Canada are to be </font></div><div><font class="Apple-style-span" face="'Courier New'">particularly congratulated for this great success."</font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">"The Forward Calorimeter is an innovative detector designed to measure </font></div><div><font class="Apple-style-span" face="'Courier New'">extremely energetic jets of collision products emerging in the direction of</font></div><div><font class="Apple-style-span" face="'Courier New'">the colliding particles." added Robert Orr from the University of Toronto, </font></div><div><font class="Apple-style-span" face="'Courier New'">leader of the Toronto calorimeter construction effort. "It was purpose built</font></div><div><font class="Apple-style-span" face="'Courier New'">(as a Canada-US collaboration) to survive in the hostile environment close </font></div><div><font class="Apple-style-span" face="'Courier New'">to the intense LHC beams."</font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">"Data from the Forward Calorimeters were used to select events for this </font></div><div><font class="Apple-style-span" face="'Courier New'">analysis", said Gerald Oakham from Carleton University and TRIUMF, leader </font></div><div><font class="Apple-style-span" face="'Courier New'">of the Carleton calorimeter team. "It is gratifying to see that the</font></div><div><font class="Apple-style-span" face="'Courier New'">Canadian-built components have been critical to the production of this</font></div><div><font class="Apple-style-span" face="'Courier New'">physics result."</font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">The ATLAS measurement heralds a new era in the use of jets to probe the </font></div><div><font class="Apple-style-span" face="'Courier New'">quark-gluon plasma. Future jet quenching and other measurements from the </font></div><div><font class="Apple-style-span" face="'Courier New'">LHC experiments will provide powerful insight into the properties of the </font></div><div><font class="Apple-style-span" face="'Courier New'">primordial plasma and the interactions among its quarks and gluons. With </font></div><div><font class="Apple-style-span" face="'Courier New'">data taking continuing for one more week, and the LHC already having </font></div><div><font class="Apple-style-span" face="'Courier New'">delivered the programmed amount of data for 2010, the heavy-ion community</font></div><div><font class="Apple-style-span" face="'Courier New'">at the LHC is looking forward to further analysis of their data, which will </font></div><div><font class="Apple-style-span" face="'Courier New'">greatly contribute to the emergence of a more complete model of quark-gluon </font></div><div><font class="Apple-style-span" face="'Courier New'">plasma, and consequently the very early Universe. </font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'"> ###</font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">TRIUMF Contact</font></div><div><font class="Apple-style-span" face="'Courier New'">--------------</font></div><div><font class="Apple-style-span" face="'Courier New'">Dr. Marcello Pavan</font></div><div><font class="Apple-style-span" face="'Courier New'">Outreach coordinator</font></div><div><font class="Apple-style-span" face="'Courier New'">Tel: 604.222.7525</font></div><div><font class="Apple-style-span" face="'Courier New'">Email: <a href="mailto:outreach@triumf.ca">outreach@triumf.ca</a></font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">LHC and ATLAS CANADA</font></div><div><font class="Apple-style-span" face="'Courier New'">--------------------</font></div><div><font class="Apple-style-span" face="'Courier New'">Prof. Robert McPherson</font></div><div><font class="Apple-style-span" face="'Courier New'">ATLAS-Canada Spokesperson</font></div><div><font class="Apple-style-span" face="'Courier New'">University of Victoria / IPP </font></div><div><font class="Apple-style-span" face="'Courier New'">Phone: + 1 604 222 7654 </font></div><div><font class="Apple-style-span" face="'Courier New'"><a href="mailto:rmcphers@uvic.ca">rmcphers@uvic.ca</a></font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">Prof. Peter Krieger</font></div><div><font class="Apple-style-span" face="'Courier New'">ATLAS-Canada Deputy</font></div><div><font class="Apple-style-span" face="'Courier New'">University of Toronto</font></div><div><font class="Apple-style-span" face="'Courier New'">Phone: +1 416 978 2950</font></div><div><font class="Apple-style-span" face="'Courier New'"><a href="mailto:krieger@physics.utoronto.ca">krieger@physics.utoronto.ca</a></font></div><div><font class="Apple-style-span" face="'Courier New'">University of Toronto</font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">Prof. Robert Orr</font></div><div><font class="Apple-style-span" face="'Courier New'">University of Toronto</font></div><div><font class="Apple-style-span" face="'Courier New'">Phone: + 1 416 978 6029</font></div><div><font class="Apple-style-span" face="'Courier New'">E-mail: <a href="mailto:orr@physics.utoronto.ca">orr@physics.utoronto.ca</a></font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">Carleton University</font></div><div><font class="Apple-style-span" face="'Courier New'">---------------</font></div><div><font class="Apple-style-span" face="'Courier New'">Prof. Gerald Oakham</font></div><div><font class="Apple-style-span" face="'Courier New'">Carleton University</font></div><div><font class="Apple-style-span" face="'Courier New'">+1 613 520 2600 Ext. 7539</font></div><div><font class="Apple-style-span" face="'Courier New'"><a href="mailto:oakham@physics.carleton.ca">oakham@physics.carleton.ca</a></font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">FOR EDITORS:</font></div><div><font class="Apple-style-span" face="'Courier New'">-----------</font></div><div><font class="Apple-style-span" face="'Courier New'">CERN, the European Organization for Nuclear Research, is the world's leading</font></div><div><font class="Apple-style-span" face="'Courier New'">laboratory for particle physics. It has its headquarters in Geneva. At </font></div><div><font class="Apple-style-span" face="'Courier New'">present, its Member States are Austria, Belgium, Bulgaria, the Czech </font></div><div><font class="Apple-style-span" face="'Courier New'">Republic, Denmark, Finland, France, Germany, Greece, Hungary, Italy, </font></div><div><font class="Apple-style-span" face="'Courier New'">Netherlands, Norway, Poland, Portugal, Slovakia, Spain, Sweden, Switzerland</font></div><div><font class="Apple-style-span" face="'Courier New'">and the United Kingdom. India, Israel, Japan, the Russian Federation, the </font></div><div><font class="Apple-style-span" face="'Courier New'">United States of America, Turkey, the European Commission and UNESCO have </font></div><div><font class="Apple-style-span" face="'Courier New'">Observer status. Canada has made important contributions to CERN's flagship</font></div><div><font class="Apple-style-span" face="'Courier New'">accelerator, the Large Hadron Collider and one of its associated particle </font></div><div><font class="Apple-style-span" face="'Courier New'">physics detectors, the ATLAS experiment. </font></div><div><font class="Apple-style-span" face="'Courier New'">See <a href="http://cern.ch">http://cern.ch</a>. </font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">The Large Hadron Collider or LHC is a particle accelerator which, at 27</font></div><div><font class="Apple-style-span" face="'Courier New'">kilometres in circumference, is the world's largest and most complex </font></div><div><font class="Apple-style-span" face="'Courier New'">scientific instrument. The LHC is the world's most powerful particle </font></div><div><font class="Apple-style-span" face="'Courier New'">accelerator, producing beams seven times more energetic than any previous </font></div><div><font class="Apple-style-span" face="'Courier New'">machine, and around 30 times more intense when it reaches design performance, </font></div><div><font class="Apple-style-span" face="'Courier New'">probably by 2013. It relies on technologies that would not have been possible</font></div><div><font class="Apple-style-span" face="'Courier New'">30 years ago. The LHC is, in a sense, its own prototype.</font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">ATLAS is a worldwide collaboration comprising over 2500 scientists and </font></div><div><font class="Apple-style-span" face="'Courier New'">engineers from 178 institutions in 35 countries and regions. These are </font></div><div><font class="Apple-style-span" face="'Courier New'">Armenia, Australia, Austria, Azerbaijan, Belarus, Brazil, Canada, China, </font></div><div><font class="Apple-style-span" face="'Courier New'">Czech Republic, Denmark, France, Georgia, Germany, Greece, Hungary, Israel, </font></div><div><font class="Apple-style-span" face="'Courier New'">Italy, Japan, Morocco, Netherlands, Norway, Poland, Portugal, Romania, Russia, </font></div><div><font class="Apple-style-span" face="'Courier New'">Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Taiwan, Turkey, </font></div><div><font class="Apple-style-span" face="'Courier New'">United Kingdom and the United States of America. </font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">ATLAS-Canada comprises about 150 faculty members, post-doctoral fellows and </font></div><div><font class="Apple-style-span" face="'Courier New'">students from eleven Canadian institutes: the University of Alberta, </font></div><div><font class="Apple-style-span" face="'Courier New'">University of British Columbia, Carleton University, McGill University, </font></div><div><font class="Apple-style-span" face="'Courier New'">Universite de Montreal, University of Regina, Simon Fraser University, </font></div><div><font class="Apple-style-span" face="'Courier New'">University of Toronto, TRIUMF, University of Victoria and York University. </font></div><div><font class="Apple-style-span" face="'Courier New'">See <a href="http://www.atlas-canada.ca">http://www.atlas-canada.ca</a> </font></div><div><font class="Apple-style-span" face="'Courier New'"><br></font></div><div><font class="Apple-style-span" face="'Courier New'">TRIUMF is Canada's national laboratory for particle and nuclear physics. </font></div><div><font class="Apple-style-span" face="'Courier New'">Located on the south campus of the University of British Columbia, TRIUMF</font></div><div><font class="Apple-style-span" face="'Courier New'">is owned and operated as a joint venture by a consortium of the following </font></div><div><font class="Apple-style-span" face="'Courier New'">Canadian universities, via a contribution through the National Research </font></div><div><font class="Apple-style-span" face="'Courier New'">Council Canada: University of Alberta, University of British Columbia, </font></div><div><font class="Apple-style-span" face="'Courier New'">University of Calgary, Carleton University, University of Guelph, </font></div><div><font class="Apple-style-span" face="'Courier New'">University of Manitoba, McMaster University, Universite de Montreal, </font></div><div><font class="Apple-style-span" face="'Courier New'">Queen's University, University of Regina, Saint Mary's University, Simon </font></div><div><font class="Apple-style-span" face="'Courier New'">Fraser University, University of Toronto, University of Victoria, York</font></div><div><font class="Apple-style-span" face="'Courier New'">University.</font></div><div><br></div></div><div><br></div><br><div apple-content-edited="true"> <div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>-------------------------------</div><div>Marcello M. Pavan, Ph.D.</div><div>TRIUMF</div><div>4004 Wesbrook Mall</div><div>Vancouver, B.C. V6T 2A3</div><div>Canada</div><div><br></div><div>Tel: 1.604.222.7525</div><div>Fax: 1.604.222.1074</div><div><br></div><br class="Apple-interchange-newline"></div><br class="Apple-interchange-newline"> </div><br></body></html>