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CMS Conference Reports

Latest additions:
2014-07-18
14:40
Latest results on heavy flavor di-lepton (p-Pb and Pb-Pb) / Moon, Dong Ho (Illinois U., Chicago) /CMS Collaboration
The Compact Muon Solenoid (CMS) has measured various quarkonium states via their decays into muon pairs in pp, PbPb and pPb collisions at sqrt(sNN) = 2.76 and 5.02 TeV. Quarkonia are especially relevant for studying the quark-gluon plasma since they are produced at early times of the collision and propagate through the medium, mapping its evolution. [...]
CMS-CR-2014-135.- Geneva : CERN, 2014 - 7 p. Fulltext: PDF;
In : The 30th Winter Workshop on Nuclear Dynamics, Galveston, TX, USA, 07 - 13 Apr 2014

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2014-07-18
14:40
The CMS calorimeter trigger upgrade for the LHC Run II / Zabi, Alexandre (Ecole Polytechnique) /CMS Collaboration
The CMS experiment implements a sophisticated two-level online selection system that achieves a rejection factor of nearly 10e5. The first level (L1) is based on coarse information coming from the calorimeters and the muon detectors while the High-Level Trigger combines fine-grain information from all sub-detectors. [...]
CMS-CR-2014-134.- Geneva : CERN, 2014 - 6 p. Fulltext: PDF;
In : Technology and Instrumentation in Particle Physics 2014, Amsterdam, Netherlands, 2 - 6 Jun 2014

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2014-07-16
13:59
Beyond-DGLAP searches with Mueller-Navelet jets, and measurements of low-$p_{\mathrm{T}}$ and forward jets at CMS / Safronov, Grigory (Moscow, ITEP) /CMS Collaboration
We present searches for beyond-DGLAP resummation effects in production of dijets with large rapidity separation in pp collisions at $\sqrt{s}=7$ TeV. Ratios of inclusive over exclusive dijet production cross sections and dijet azimuthal decorrelations are presented as a function of rapidity separation between jets. [...]
CMS-CR-2014-146.- Geneva : CERN, 2014 - 7 p. Fulltext: PDF;
In : XXII. International Workshop on Deep-Inelastic Scattering and Related Subjects , Warsaw, Poland, 28 Apr - 2 May 2014

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2014-07-16
13:59
$\boldsymbol{\alpha_S}$ extraction and PDF constraints from jet measurements at CMS / Sieber, Georg (Karlsruhe U., EKP) /CMS Collaboration
We present recent CMS results related to the extraction of the strong coupling constant and constraints on parton distribution functions. Results are based on recent jet measurements performed with 2011 data taken at center-of-mass energy of 7 TeV. [...]
CMS-CR-2014-145.- Geneva : CERN, 2014 - 7 p. Fulltext: PDF;
In : XXII. International Workshop on Deep-Inelastic Scattering and Related Subjects , Warsaw, Poland, 28 Apr - 2 May 2014

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2014-07-16
13:59
Single top quark production with CMS / Iorio, Alberto Orso Maria (INFN, Naples ; Naples U.) /CMS Collaboration
Measurements of single-top-quark production are presented, performed using CMS data collected in 2011 and 2012 at centre-of-mass energies of 7 and 8 TeV. The cross sections for the electroweak production of single top-quarks in the $t$-channel and in association with W-bosons are measured and the results are used to place constraints on the CKM matrix element $\mathrm{V}_{\mathrm{tb}}$. [...]
CMS-CR-2014-143.- Geneva : CERN, 2014 - 9 p. Fulltext: PDF;
In : XXII. International Workshop on Deep-Inelastic Scattering and Related Subjects , Warsaw, Poland, 28 Apr - 2 May 2014

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2014-07-16
13:59
Search for the Higgs boson in fermionic channels using the CMS detector / Vizan Garcia, Jesus Manuel (Louvain U.) /CMS Collaboration
An overview of the latest CMS results from searches for a Standard Model Higgs boson decaying to fermions is presented. The dataset used corresponds to an integrated luminosity of approximately 5~$\mbox{fb}^{-1}$ at a center-of-mass energy of 7 TeV and 20~$\mbox{fb}^{-1}$ at 8 TeV. [...]
CMS-CR-2014-140.- Geneva : CERN, 2014 - 7 p. Fulltext: PDF;
In : XXII. International Workshop on Deep-Inelastic Scattering and Related Subjects , Warsaw, Poland, 28 Apr - 2 May 2014

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2014-07-14
09:47
Measurement of the UE activity in pp collisions with the CMS detector / Frueboes, Tomasz (NCBJ, Swierk) /CMS Collaboration
A review of the recent measurements of the underlying event activity in on proton-proton collisions performed by CMS collaboration at different center of mass energies is presented. Comparisons of the measured data with predictions obtained using the underlying event models implemented in different MC generators show good agreement for basic UE properties, while differences show up in more detailed comparisons..
CMS-CR-2014-138.- Geneva : CERN, 2014 - 8 p. Fulltext: PDF;
In : XXII. International Workshop on Deep-Inelastic Scattering and Related Subjects , Warsaw, Poland, 28 Apr - 2 May 2014

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2014-07-11
16:52
Macro Pixel ASIC (MPA): The readout ASIC for the pixel-strip (PS) module of the CMS outer tracker at HL-LHC / Ceresa, Davide (CERN) ; Marchioro, Alessandro (CERN) ; Kloukinas, Konstantinos (CERN) ; Jan Kaplon ; Bialas, Wojciech (CERN) ; Re, Valerio (INFN, Pavia) ; Traversi, Gianluca (INFN, Pavia) ; Gaioni, Luigi (INFN, Pavia) ; Ratti, Lodovico (INFN, Pavia)
The CMS tracker at HL-LHC is required to provide prompt information on particles with high transverse momentum to the central Level\,1 trigger. For this purpose, the innermost part of the outer tracker is based on a combination of a pixelated sensor with a short strip sensor, the so-called Pixel-Strip module (PS). [...]
CMS-CR-2014-139.- Geneva : CERN, 2014 - 12 p. Fulltext: PDF;
In : WIT2014 Workshop on Intelligent Trackers, Philadelphia, United States, 14 - 16 May 2014

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2014-07-11
16:48
Measurement of double-parton interactions in W+2 jets events with the CMS detector / Grebenyuk, Anastasia (Brussels U.) /CMS Collaboration
Double parton scattering is investigated in proton-proton collisions at $\sqrt{s} = 7$ TeV where the final state includes a W boson, which decays into a muon and a neutrino, and two jets. The data sample corresponds to an integrated luminosity of 5 fb$^{-1}$, collected with the CMS detector at the LHC. [...]
CMS-CR-2014-142.- Geneva : CERN, 2014 - 7 p. Fulltext: PDF;
In : XXII. International Workshop on Deep-Inelastic Scattering and Related Subjects , Warsaw, Poland, 28 Apr - 2 May 2014

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2014-07-11
16:46
Measurement of Drell-Yan and associated jet cross section at low and high invariant masses / Dooling, Samantha Katherine (DESY) /CMS Collaboration
Measurements of the differential Drell-Yan and associated jet cross section as a function of the Drell-Yan mass are presented using an integrated luminosity of 4.9 fb$^{-1}$ in the di-muon channel of proton-proton collision data recorded with the CMS detector at the LHC at $\sqrt{s} =7$ TeV. Cross sections as a function of the Drell-Yan transverse momentum are measured differentially in the Drell-Yan mass range of 30 to 1500 GeV. [...]
CMS-CR-2014-125.- Geneva : CERN, 2014 - 7 p. Fulltext: PDF;
In : XXII. International Workshop on Deep-Inelastic Scattering and Related Subjects , Warsaw, Poland, 28 Apr - 2 May 2014

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