CERN Accelerating science

CMS Conference Reports

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2019-11-27
10:34
Luminosity measurement in proton-proton collisions at the CMS experiment / Turkot, Oleksii (DESY) /CMS Collaboration
Precision in the luminosity calibration is critical for determining fundamental parameters of the standard model and constraining or discovering beyond-the-standard-model processes at LHC. The luminosity determination at the LHC interaction point 5 with the CMS detector, using proton-proton collisions at 13 and 5.02 TeV during LHC Run 2 (2015--2018), is reported. [...]
CMS-CR-2019-177.- Geneva : CERN, 2019 - 4 p. Fulltext: PDF;
In : XXIX International Symposium on Lepton Photon Interactions at High Energies, Toronto, Canada, 5 - 10 Aug 2019

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2019-11-27
10:32
CMS results on Exotic searches / Ghosh, Saranya Samik (Aachen, Tech. Hochsch.) /CMS Collaboration
The highlights of the recent searches for exotic new physics phenomena leading up to the summer of 2019 from the Compact Muon Solenoid (CMS) exper- iment are presented here. These include searches looking for high mass resonancesor non-resonant phenomena, low mass resonances and long-lived particles..
CMS-CR-2019-267.- Geneva : CERN, 2019 - 4 p. Fulltext: PDF;
In : Nineteenth Lomonosov Conference on Elementary Particle Physics, Moscow, Russia, 22 - 28 Aug 2019

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2019-11-27
10:27
Detector performance of the CMS Precision Proton Spectrometer during LHC Run2 and its upgrades for Run3 / Ferro, Fabrizio (INFN, Genoa) /CMS Collaboration
The CMS Precision Proton Spectrometer (PPS) consists of silicon tracking stations as well as timing detectors to measure both the position and direction of protons and their time-of-flight with high precision. Special devices called Roman Pots are used to insert the detectors inside the LHC beam pipe to allow the detection of scattered protons close to the beam itself. [...]
CMS-CR-2019-264.- Geneva : CERN, 2019 - 7 p. Fulltext: PDF;
In : 27th International Symposium on Nuclear Electronics & Computing, Becici, Budva, Montenegro, 30 Sep - 4 Oct 2019

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2019-11-27
10:27
Electroweak production of vector bosons and jets at the CMS experiment / Bellan, Riccardo (INFN, Turin ; Turin U.) /CMS Collaboration
The production of massive vector boson pairs is a key process for the understanding of the non-abelian gauge structure of the standard model and for the comprehension of the electroweak symmetry breaking mechanism. The study of the production of vector boson pairs with the presence of two jets in the event allows measuring the electroweak production of vector bosons in association with jets, in particular made up through vector boson scattering processes. [...]
CMS-CR-2019-263.- Geneva : CERN, 2019 - 7 p. Fulltext: PDF;
In : 7th Edition of the Large Hadron Collider Physics Conference, Puebla, Mexico, 20 May 2019

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2019-11-22
18:37
Double parton scattering measurements at CMS / Gupta, Rajat (Panjab U.) /CMS Collaboration
Recent results on Double Parton Scattering (DPS) studies using data collected during Run 1 and Run 2 of the LHC with the CMS experiment is presented. Double parton scattering is investigated in several final states including vector bosons and multi-jets. [...]
CMS-CR-2019-082.- Geneva : CERN, 2019 - 7 p. Fulltext: PDF;
In : 23rd DAE-BRNS High Energy Physics Symposium, Chennai, India, 10-14 Dec 2018

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2019-11-21
10:38
Detector performance and stability of the CMS RPC system during Run-2 / Hadjiiska, Roumyana Mileva (Sofiya, Inst. Nucl. Res.) /CMS Collaboration
The CMS (Compact Muon Solenoid) experiment, at the Large Hadron Collider (LHC) at CERN explores three different gaseous detector technologies in order to measure and trigger muons: CSC (Cathode Strip Chambers) in the forward regions, DT (Drift Tubes) in the central region, and RPC (Resistive Plate Chambers) both in the central and forward regions. The CMS RPC system provides information to all muon track finders and thus ensures the robustness and redundancy to the first level of muon triggering. [...]
CMS-CR-2019-252.- Geneva : CERN, 2019 - 8 p. Fulltext: PDF;
In : 27th International Symposium on Nuclear Electronics & Computing, Becici, Budva, Montenegro, 30 Sep - 4 Oct 2019

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2019-11-15
09:07
Higgs production in the VH mode at ATLAS and CMS / Mastrolorenzo, Luca (Aachen, Tech. Hochsch.) /ATLAS, CMS and Higgs collaborations
In these proceedings, the key role played by the Higgs boson associated production (VH) mode in the characterization of the electroweak spontaneous symmetry breaking mechanism is described through a review of the latest results from the ATLAS and CMS experiments obtained with the data collected during LHC Run 2. A focus is given to the recent discovery of the Higgs boson decay to a bottom quark-antiquark pair by ATLAS and CMS achieved through the analysis of the additional data collected during 2017. [...]
CMS-CR-2019-173.- Geneva : CERN, 2019 - 16 p. Fulltext: PDF;
In : 7th Edition of the Large Hadron Collider Physics Conference, Puebla, Mexico, 20 May 2019

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2019-11-12
15:16
Searches for non-resonant HH production at CMS / Cappati, Alessandra (INFN, Turin ; Turin U.) /CMS Collaboration
The most recent results from searches for non-resonant production of Higgs boson pairs~(HH) at CMS are presented. Four final states have been studied, with data collected at $\sqrt{s}=13\,\mathrm{TeV}$ in 2016, corresponding to an integrated luminosity of $35.9\,\mathrm{fb}^{-1}$. [...]
CMS-CR-2019-251.- Geneva : CERN, 2019 - 8 p. Fulltext: PDF;
In : European Physical Society Conference on High Energy Physics (EPS-HEP) 2019, Ghent, Belgium, 10 - 17 Jul 2019

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2019-11-12
15:15
The CMS Muon System performance during the LHC Run-2 / Pozzobon, Nicola (INFN, Padua ; Padua U.) /CMS Collaboration
A highly performing muon system has been fundamental to achieve many of the physics results obtained by CMS during the LHC Run-2. The CMS muon spectrometer presently consists of three detector technologies covering different regions of pseudorapidity. [...]
CMS-CR-2019-133.- Geneva : CERN, 2019 - 10 p. Fulltext: PDF;
In : 21st International Workshop on Radiation Imaging Detectors, Kolympari, Chania, Greece, 7 - 12 Jul 2019

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2019-11-12
15:15
Firmware Upgrade of the CMS Phase-1 Pixel Front-End Controller: Impact on Pixel Operation and DAQ / Modak, Atanu (Kansas State U.) /CMS Collaboration
The Pixel Front-End Controller of the CMS Phase-1 Pixel detector is responsible for programming the front-end chips and distributing the trigger, clock and fast signals to the detector modules. An upgrade of the Pixel FEC firmware was undertaken and was successfully integrated into the online software. [...]
CMS-CR-2019-081.- Geneva : CERN, 2019 - 5 p. Fulltext: PDF;
In : Connecting the Dots and Workshop on Intelligent Trackers (CTD/WIT 2019), Valencia, Spain, 2 - 5 Apr 2019

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