CERN Accelerating science

CMS Conference Reports

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2015-06-26
08:42
Search for Neutral MSSM Higgs Bosons in the Di-Tau channel at the CMS experiment at LHC. / Dewanjee, Ram Krishna (Tata Inst.) /CMS Collaboration
With the recent discovery of the SM (Standard Model) higgs boson of mass around 125 GeV by the CMS (Compact Muon Solenoid) and the ATLAS (A Toroidal LHC Apparatus) collaborations at the LHC (Large Hadron Collider) at CERN, there have been attempts to interpret this newly discovered resonance in the context of BSM (Beyond Standard Model) physics scenarios. Results are presented for the search for Neutral MSSM (Mininal SuperSymmetric Standard Model) higgs bosons where the higgs decays to two $\tau$-leptons using the full Run-1 dataset collected by the CMS experiment. [...]
CMS-CR-2015-095.- Geneva : CERN, 2015 - 6 p. Fulltext: PDF;
In : 21st DAE-BRNS High Energy Physics Symposium 2014, Guwahati, India, 8 - 12 Dec 2014

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2015-06-26
08:42
ASSEMBLY and CHARACTERIZATION OF RESISTIVE PLATE CHAMBERS IN INDIA FOR THE CMS DETECTOR / Kumar, Ramandeep (Panjab U.) /CMS Collaboration
The Compact Muon Solenoid (CMS) experiment is a general purpose detector being operated at Large Hadron Collider (LHC) facility at CERN. The RE4 upgrade project was envisaged to improve the Level-1 trigger efficiency in the forward region, when LHC would run at its full designed energy and luminosity after the first Long Shutdown (LS-1, 2013-2014). [...]
CMS-CR-2015-039.- Geneva : CERN, 2015 - 6 p. Fulltext: PDF;
In : 21st DAE-BRNS High Energy Physics Symposium 2014, Guwahati, India, 8 - 12 Dec 2014

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2015-06-26
08:42
Tau reconstruction and identification with upgraded CMS detector at LHC. / Kalsi, Amandeep Kaur (Panjab U.) /CMS Collaboration
Tau leptons appear in the final state of many important physics processessuch as decay of the Higgs boson, supersymmetric particles and additionalheavy gauge bosons corresponding to a new symmetry. Thus tau leptonsplay very important role in LHC physics programme at all energies. [...]
CMS-CR-2015-038.- Geneva : CERN, 2015 - 5 p. Fulltext: PDF;
In : 21st DAE-BRNS High Energy Physics Symposium 2014, Guwahati, India, 8 - 12 Dec 2014

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2015-06-26
08:42
Beyond Standard Model Higgs Boson Physics \\ at the CMS Experiment / Choudhury, Somnath (DESY) /CMS Collaboration
Searches for Beyond Standard Model (BSM) Higgs bosons at the CMS experiment are presented. The analyses are based on proton-proton collision data recorded by the CMS experiment at the LHC at CERN at 7~TeV and 8~TeV centre-of-mass energies in the years 2011 and 2012 respectively, corresponding to an integrated luminosity of up to 25~fb$^{-1}$. [...]
CMS-CR-2015-037.- Geneva : CERN, 2015 - 7 p. Fulltext: PDF;
In : 21st DAE-BRNS High Energy Physics Symposium 2014, Guwahati, India, 8 - 12 Dec 2014

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2015-06-26
08:42
Double parton scattering studies via di-boson processes using the CMS detector at LHC / Mehta, Ankita (Panjab U.) /CMS Collaboration
In high energy hadron-hadron collision, there is a finite probability for Double Parton Scattering (DPS), i.e., simultaneous occurrence of two short-range parton-parton scatterings in a single collision producing the same final state as in a single parton scattering (SPS). It is important to have an estimate of the DPS fraction as well as the effective cross section for specific final states in proton-proton collisions at LHC. [...]
CMS-CR-2015-035.- Geneva : CERN, 2015 - 6 p. Fulltext: PDF;
In : 21st DAE-BRNS High Energy Physics Symposium 2014, Guwahati, India, 8 - 12 Dec 2014

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2015-06-26
08:34
Study of the double parton scattering via W + 2-jet process using the CMS detector at LHC / Kumar, Ramandeep (Panjab U.) /CMS Collaboration
Two hard parton-parton interactions in a single proton-proton (pp) collision lead to double parton scattering (DPS). We investigate DPS in pp 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. [...]
CMS-CR-2015-036.- Geneva : CERN, 2015 - 6 p. Fulltext: PDF;
In : 21st DAE-BRNS High Energy Physics Symposium 2014, Guwahati, India, 8 - 12 Dec 2014

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2015-06-25
16:17
Measurement of top quark properties at the LHC / Chao, Yuan (Taiwan, Natl. Taiwan U.) /ATLAS and CMS Collaborations
We present the recent measurements of top-quark properties conducted bythe LHC experiments. The data collected in proton-proton collisions atcentre-of-mass energies of 7 and 8 TeV in the years 2011 and 2012 areused. [...]
CMS-CR-2015-040.- Geneva : CERN, 2015 - 5 p. Fulltext: PDF;
In : 50th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 21 - 28 Mar 2015

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2015-06-25
16:09
\title{CO$_2$ evaporative cooling: the future for tracking detector thermal management} / Tropea, Paola (CERN) ; Daguin, Jerome (CERN) ; Petagna, Paolo (CERN) ; Postema, Willem Johannes (CERN) ; Bart Verlaat ; Lukasz Zwalinski
\begin{abstract} In the last few years, CO$_2$ evaporative cooling has been one of the favourite technologies chosen for the thermal management of tracking detectors at LHC. ATLAS Insertable B-Layer and CMS Pixel phase 1 upgrade have adopted it and their systems are now operational or under commissioning [...]
CMS-CR-2015-117.- Geneva : CERN, 2015 - 3 p. Fulltext: PDF;
In : Frontier Detectors for Frontier Physics: 13th Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, Italy, 24 - 30 May 2015

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2015-06-25
16:09
Test beam and irradiation test results of Triple-GEM detector prototypes for the upgrade of the Muon System of the CMS experiment / Vai, Ilaria (INFN, Pavia) /CMS Collaboration
The CMS Collaboration is developing Gas Electron Multiplier (GEM) detectors for the upgrade of the CMS Muon System. Their performance will be presented, analyzing the results of several test beams and an irradiation test performed in the last years..
CMS-CR-2015-116.- Geneva : CERN, 2015 - 4 p. Fulltext: PDF;
In : Frontier Detectors for Frontier Physics: 13th Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, Italy, 24 - 30 May 2015

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2015-06-25
16:08
Design Optimization of Pixel Sensors using Device Simulations for the Phase-II CMS Tracker Upgrade / CMS Collaboration
\begin{abstract} In order to address the problems caused by the harsh radiation environment during the high luminosity phase of the LHC (HL-LHC), all silicon tracking detectors (pixels and strips) in the CMS experiment will undergo an upgrade. And so to develop radiation hard pixel sensors, simulations have been performed using the 2D TCAD device simulator, SILVACO, to obtain design parameters [...]
CMS-CR-2015-111.- Geneva : CERN, 2015 - 3 p. Fulltext: PDF;
In : Frontier Detectors for Frontier Physics: 13th Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, Italy, 24 - 30 May 2015

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