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21 Nov | Freya Blekman | Physics
The CMS collaboration presented over ten brand-new results in the latest installment of the Quark Matter conference, one of the largest conferences in the field of heavy-ion physics. In heavy-ion physics, the properties of the quark-gluon plasma, a...
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20 Jan | Maria Chamizo Llatas | Collaboration
The LHC has just delivered the first pPb (proton-lead) collisions with stable beams of 2013 and CMS is happily running with all sub-detectors on. We are also having common triggers with TOTEM and everything is behaving very well. Thanks a lot to all...
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18 Jan | Achintya Rao | Physics
The new year brings a new type of collision at the LHC: the accelerator will smash protons and lead nuclei together, allowing CMS and the other LHC experiments to study the cold nuclear matter we expect these collisions to produce. Although we...
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18 Dec | Achintya Rao | Physics
In 2011, CMS presented early evidence that Upsilon (Υ) particles produced in lead-lead collisions “melt” as a consequence of interacting with the hot nuclear matter created in these heavy-ion interactions. CMS has since updated and extended this...
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22 Oct | Wei Li | Physics
CMS has published its first paper on proton-lead (pPb) collisions, describing the observation of a phenomenon that was previously seen first in nucleus-nucleus collisions but also detected by CMS in proton-proton (pp) collisions. The effect is a...
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08 Oct | Achintya Rao | Physics
Our best understanding of the early Universe tells us that a dense medium, known as the quark-gluon plasma (QGP), existed in the first microseconds after the big bang. These early-Universe conditions can be mimicked in particle colliders by smashing...
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13 Aug | Lucas Taylor | Physics
The Quark Matter 2012 conference, held in Washington DC from 13-18 August 2012, brings together experimental and theoretical experts in the area of heavy-ion physics. This week, the CMS collaboration is presenting many exciting new results using...
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18 Jan | Achintya Rao | Collaboration
On 10th January, a delegation from Serbia, led by President Boris Tadic, arrived at CERN to sign the agreement that would grant Serbia associate membership to CERN, as a step towards full membership. The agreement has to be ratified by the Serbian...
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23 May | Lucas Taylor | Physics
The CMS collaboration is presenting its latest results this week at the annual Quark Matter conference, held this year in Annecy, France. The results are based on analyses of data collected during the LHC's heavy-ion run in the last two weeks of...
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23 May | Achintya Rao | Physics
In our Universe today, quarks are always bound together by gluons to form "composite" particles such as protons and neutrons. The Quark-Gluon Plasma, or QGP, often described as a soup-like medium, is a hot, dense state in which these quarks and...