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CMS Conference Reports

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2018-12-14
09:38
Design, Construction and Commissioning of the Upgrade Radiation Damage Monitoring System of the CMS Hadron Forward Calorimeters / Onel, Yasar (Iowa U.) /CMS Collaboration
The CMS Hadron Forward Calorimeters cover pseudorapidities between 3.0 and 5.0 being exposed to the highest radiation levels in the CMS detector system. The calorimeter consists of quartz fibers as active media inserted into the steel absorber structure. [...]
CMS-CR-2018-413.- Geneva : CERN, 2018 - 5 p. Fulltext: PDF;
In : 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2018), Sydney, Australia, 10 - 17 Nov 2018

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2018-12-14
09:38
Radioactive Source Calibration of the CMS Hadron Endcap Calorimeters with Phase I Upgrade Electronics / Bilki, Burak (Iowa U.) /CMS Collaboration
The Phase I Upgrade of the CMS Hadron Endcap Calorimeters consists of new photodetectors and front-end electronics. The upgrade was installed successfully during the Year End Technical Stop of 2017-2018. [...]
CMS-CR-2018-412.- Geneva : CERN, 2018 - 5 p. Fulltext: PDF;
In : 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2018), Sydney, Australia, 10 - 17 Nov 2018

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2018-12-14
09:37
Exotics at the LHC / Del Re, Daniele (INFN, Rome ; Rome U.) /ATLAS, CMS and LHCB Collaborations
LHC has worked beautifully and provided more than 100 fb$^{-1}$ at 13 TeV. Thanks to this enormous statistics of p-p collisions, LHC experiments have been able to explore several different new physics scenarios. [...]
CMS-CR-2018-392.- Geneva : CERN, 2018 - 11 p. Fulltext: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Kor, 4 - 11 Jul 2018

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2018-12-14
09:37
Top pair production measurements, inclusive and differential / Fernandez Menendez, Javier (Oviedo U.) /ATLAS, CMS and LHCB Collaborations
Recent results and state-of-the-art on top-quark pair production cross sections in both inclusive and differential measurements are presented, obtained using data collected with the ATLAS, CMS and LHCb experiments during the LHC Run1 and Run2 periods up to the year 2016 at centre-of-mass energies ranging from 5.02 to 13TeV. Results are confronted against Standard Model (SM) next-to-leading order (NLO) and next-to-next-to-leading order (NNLO) predictions, several Monte Carlo (MC) generators and tunes, and parton density function variations, with a special focus on the latest Run2 results..
CMS-CR-2018-126.- Geneva : CERN, 2018 - 9 p. Fulltext: PDF;
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018

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2018-12-14
09:37
Top quark properties / Van Mulders, Petra Karel Ann (Vrije U., Brussels) /ATLAS and CMS Collaborations
The multi-purpose experiments at CERN's Large Hadron Collider have a very rich programme in top quark physics. The large amount of data allows for measuring the top quark properties with an unprecedented precision. [...]
CMS-CR-2018-284.- Geneva : CERN, 2018 - 6 p. Fulltext: PDF;
In : 11th International Workshop on Top Quark Physics, Bad Neuenahr, Germany, 16 - 21 Sep 2018

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2018-12-13
11:44
Top quark mass measurement in the $\mathrm{t\bar{t}}$ all-jets final state with the CMS experiment at $\sqrt{s}=13\,\mathrm{TeV}$ / Lange, Johannes /CMS Collaboration
The top quark mass is measured using $35.9~\mathrm{fb}^{-1}$ of LHC proton-proton collision data collected with the CMS detector at $\sqrt{s}=13~\mathrm{TeV}$ in 2016. The measurement uses the $\mathrm{t}\overline{\mathrm{t}}$ all-jets final state, which comprises a total of six jets. [...]
arXiv:1812.05394; CMS-CR-2018-386.- Geneva : CERN, 2018 - 6 p. Fulltext: CR2018_386 - PDF; 1812.05394 - PDF;
In : 11th International Workshop on Top Quark Physics, Bad Neuenahr, Germany, 16 - 21 Sep 2018

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2018-12-12
09:54
Evidence for light-by-light scattering and limits on axion-like-particles from ultraperipheral PbPb collisions at 5 TeV / Niedziela, Jeremi (CERN) /CMS Collaboration
A measurement of light-by-light scattering, $\gamma\gamma \rightarrow \gamma\gamma$, in ultraperipheral PbPb collisions at a centre-of-mass energy per nucleon pair of $5.02$ TeV is reported. The analysis is conducted using a data sample corresponding to an integrated luminosity of $390~\mu \rm{b}^{-1}$ recorded by the CMS experiment at the LHC. [...]
CMS-CR-2018-403.- Geneva : CERN, 2018 - 6 p. Fulltext: PDF;
In : Hard Probes 2018: International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions, Aix-les-bains, France, 1 - 5 Oct 2018

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2018-12-12
09:54
Particle Flow reconstruction in the Level-1 trigger at CMS for the HL-LHC / Petrucciani, Giovanni (CERN) /CMS Collaboration
With the planned addition of the tracking information in the Level-1 trigger in CMS for the HL-LHC, the algorithms for the Level-1 trigger can be completely reconceptualized. Following the example for offline reconstruction in CMS to use complementary subsystem information and mitigate pileup, we explore the feasibility of using Particle Flow-like and pileup-per-particle identification techniques at the hardware trigger level. [...]
CMS-CR-2018-401.- Geneva : CERN, 2018 - 6 p. Fulltext: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018

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2018-12-12
09:12
Charged Higgs searches at CMS / Yu, Geum Bong (Seoul Natl. U.) /CMS Collaboration
Observation of charged Higgs bosons would be a strong evidence of new physics beyond the standard model. An overview of the latest results on the charged Higgs boson searches, as of August 2018, performed by the CMS collaboration is presented..
CMS-CR-2018-389.- Geneva : CERN, 2018 - 5 p. Fulltext: PDF;
In : 25th Rencontres du Vietnam, Quy Nhon, Vietnam, 5 - 11 Aug 2018

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2018-12-12
09:12
Search for charged Higgs bosons with the $\text{H}^{\pm} \rightarrow \tau^{\pm}\nu_{\tau}$ decay channel / Eysermans, Jan (Puebla U., Inst. Fis.) ; Pedraza Morales, Maria Isabel (Puebla U., Inst. Fis.) /CMS Collaboration
A search for charged Higgs bosons decaying into a tau lepton and a neutrino is presented in the hadronic and leptonic final states. The search is based on the 13 TeV dataset with 35.9 fb$^{-1}$ of integrated luminosity collected with the CMS experiment in 2016. [...]
CMS-CR-2018-361.- Geneva : CERN, 2018 - 10 p. Fulltext: PDF;
In : 7th workshop on prospects for charged Higgs discovery at colliders, Uppsala, Sweden, 25 - 28 Sep 2018

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