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09 Aug 2011 | Achintya Rao | Physics
Read the paper: QCD-10-037 This paper extends CMS’s previous measurements of the production rates of isolated prompt photons. The production rates agree with the predictions of perturbative Quantum Chromodynamics (pQCD), although, at low transverse...
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08 Aug 2011 | Achintya Rao | External news (e.g. BBC)
The current data from the LHC show an effect which might, or might not, be the first indication of the presence of a Higgs boson. Most of this effect is due to the number of pairs of W bosons which are being produced in proton-proton collisions.
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08 Aug 2011 | Achintya Rao | External news (e.g. BBC)
This is a well-written piece exploring the need for more data and what possible interpretations there could be: http://www.guardian.co.uk/science/life-and-physics/2011/aug/06/1
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05 Aug 2011 | Lucas Taylor | Collaboration
Please try out the completely new CMS Web site: http://cmsexperiment.web.cern.ch. Leave comments by clicking the "GIVE FEEDBACK" link on the side of the page, or contact Lucas Taylor.
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02 Aug 2011 | Achintya Rao | Collaboration
Building 40 at CERN’s Meyrin site was abuzz with excitement as CMS formally inaugurated an art installation featuring a full-size high-resolution photograph of the CMS detector organised by the CMS Communications Group. The unveiling was met with...
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02 Aug 2011 | Achintya Rao | Physics
Read the paper: QCD-10-037 The measured Drell-Yan production rates, normalised to the production rates in the Z-boson region, show good agreement with the theoretical predictions. The Drell-Yan process occurs when a quark from one of the colliding...
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28 Jul 2011 | Achintya Rao | Physics
Read the paper: BPH-11-002 The observed numbers of events in both decay modes are consistent with those expected in the Standard Model. Upper limits on the branching fraction have been determined at 90% and 95% confidence levels (CL). The Standard...
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30 Jun 2011 | Guido Emilio Tonelli | Collaboration
Building 40 at CERN is going to change its appearance. A beautiful 1:1 maxi-poster of CMS is being installed in the central hall. To celebrate the completion of this installation we would like to invite you to a short drink this coming Friday from...
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24 Jun 2011 | Lucas Taylor | Collaboration
CMS is now running with 1236 bunches of protons !
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21 Jun 2011 | Lucas Taylor | Collaboration
This year's LHC physics run started in March. Since then the machine has broken many records, bringing its luminosity — the number of proton-proton collisions per second — to much higher levels than expected for this year. CMS now can take as much...
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21 Jun 2011 | Niki Saoulidou | Physics
We are living in perhaps the most exciting times of the past few decades in High Energy Physics: searching for the Higgs boson, as well as expected and unexpected new physics with one of the most elaborate accelerators ever built, and with complex...
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06 Jun 2011 | Lucas Taylor | Physics
A search for physics beyond the standard model in events with at least three leptons and any number of jets is presented. The data sample corresponds to 35 inverse picobarns of integrated luminosity in pp collisions at sqrt(s) = 7 TeV collected by...
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