CERN Accelerating science

CMS Conference Reports

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2016-07-07
16:27
Phase1 upgrade of the CMS-HF Calorimeter / Gulmez, Erhan (Bogazici U.) /CMS Collaboration
In this presentation, results of the Phase I upgrade of the CMS Hadron Forward Calorimeter (HF) are discussed. The CMS-HF Calorimeter was using regular PMTs. [...]
CMS-CR-2016-145.- Geneva : CERN, 2016 - 6 p. Fulltext: PDF;
In : 4th Conference on Large Hadron Collider Physics 2016 (LHCP 2016), Lund, Sweden, 13 - 18 Jun 2016

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2016-07-07
16:27
Measurements of dijet azimuthal decorrelation at 8 TeV from CMS / Kokkas, Panagiotis (Ioannina U.) /CMS Collaboration
Measurements of the decorrelation of azimuthal angles between the two jets with the largest transverse momenta are presented for seven regions of leading jet transverse momentum. The analysis is based on data collected during 2012 with the CMS experiment, corresponding to an integrated luminosity of 19.7 $\textrm{fb}^{-1}$ of proton-proton collisions at $\sqrt{s}=8$ TeV. [...]
CMS-CR-2016-125.- Geneva : CERN, 2016 - 7 p. Fulltext: PDF;
In : 24th International Workshop on Deep Inelastic Scattering and related subjects, Hamburg, Germany, 11 - 15 Apr 2016

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2016-07-01
15:26
Exclusive production observed at the CMS experiment / Chudasama, Ruchi (Bhabha Atomic Res. Ctr.) /CMS Collaboration
Exclusive W+ W- pair production in photon-photon collisions during the pp runs at 7 and 8TeV are observed and used to put constraints on the Anomalous Quartic Gauge Couplings. During the proton lead collisions in photon-induced vector meson production is observed via the decay of Ypsilon into two muons. [...]
CMS-CR-2016-149.- Geneva : CERN, 2016 - 9 p. Fulltext: PDF;
In : 24th International Workshop on Deep Inelastic Scattering and related subjects, Hamburg, Germany, 11 - 15 Apr 2016

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2016-07-01
15:26
Top quark mass measurements with the CMS experiment at the LHC / Spannagel, Simon (DESY) /CMS Collaboration
Measurements of the top quark mass are presented, obtained from CMS data collected in proton proton collisions at the LHC at centre-of-mass energies of 7 TeV and 8 TeV. The mass of the top quark is measured using several methods and channels, including the reconstructed invariant mass distribution of the top quark as well as measurements based on charged particle information. [...]
CMS-CR-2016-148; arXiv:1607.04972.- Geneva : CERN, 2016 - 7 p. Fulltext: PDF; External link: Fulltext
In : 24th International Workshop on Deep Inelastic Scattering and related subjects, Hamburg, Germany, 11 - 15 Apr 2016

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2016-07-01
15:26
Exclusive pi+ pi- production at 7TeV / Khakzad, Mohsen (IPM, Tehran) /CMS Collaboration
We report a measurement of the exclusive production of pairs of charged pions in proton-proton collisions, dominated by the process $pp \rightarrow p^{(*)} \pi^{+}\pi^{-} p^{(*)}$, where $\rm p^{(*)}$ stands for a diffractively dissociated proton, the $\pi^{+} \pi^{-}$ pair is emitted at central rapidities $y$, and the incident protons stay intact or dissociate without detection ${\rm p^{(*)}}$. The measurement is performed with the CMS detector at the LHC, using a data sample corresponding to an integrated luminosity of 450~$\mu$b$^{-1}$ collected at a center-of-mass energy of $\sqrt{s}$ = 7 TeV in 2010 [...]
CMS-CR-2016-144.- Geneva : CERN, 2016 - 7 p. Fulltext: PDF;
In : 24th International Workshop on Deep Inelastic Scattering and related subjects, Hamburg, Germany, 11 - 15 Apr 2016

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2016-07-01
15:26
Searches for BSM physics in dilepton, multilepton, and lepton+MET final states at CMS / Thomas, Laurent (Florida U.) /CMS Collaboration
We describe various searches for signs of physics beyond the Standard Model in proton-proton collisions collected by CMS in 2012 or 2015. These datasets correspond respectively to around 20 fb$^{-1}$ of integrated luminosity at a center of mass energy ($\sqrt{s}$) of 8 TeV and around 2.5 fb$^{-1}$ at $\sqrt{s}=$ 13 TeV. The analyses presented here focus on final states with one or several leptons and possibly missing transverse energy, for which the background from Standard Model processes is reduced, and primarily targets the production of new particles with masses in the TeV range. [...]
CMS-CR-2016-137.- Geneva : CERN, 2016 - 7 p. Fulltext: PDF;
In : 24th International Workshop on Deep Inelastic Scattering and related subjects, Hamburg, Germany, 11 - 15 Apr 2016

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2016-07-01
15:26
Searches for BSM physics in diphoton final state at CMS / Quittnat, Milena Eleonore (Zurich, ETH) /CMS Collaboration
Many physics scenarios beyond the standard model predict the existence of heavy resonances decaying to diphotons. This note presents searches for BSM physics in the diphoton final state at CMS, focusing on the recent results obtained using data collected at the LHC in 2015..
CMS-CR-2016-136.- Geneva : CERN, 2016 - 7 p. Fulltext: PDF;
In : 24th International Workshop on Deep Inelastic Scattering and related subjects, Hamburg, Germany, 11 - 15 Apr 2016

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2016-07-01
15:26
Measurement of the inelastic proton-proton cross section at 13TeV / Van Haevermaet, Hans (Antwerp U.) /CMS Collaboration
A measurement of the inelastic proton-proton cross section at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV is presented. The analysis is performed using the CMS detector, in particular with information from forward calorimetry at pseudorapidities of 3.0 lt η lt 5.2 and -6.6 lt η lt -3.0. [...]
CMS-CR-2016-133; arXiv:1607.02033.- Geneva : CERN, 2016 - 7 p. Fulltext: PDF; External link: Fulltext
In : 24th International Workshop on Deep Inelastic Scattering and related subjects, Hamburg, Germany, 11 - 15 Apr 2016

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2016-07-01
15:26
Heavy flavour production at CMS / Negro, Giulia (IRFU, Saclay) /CMS Collaboration
Three recent results in heavy flavour production at the CMS experiment are addressed in this report. Measurements of the differential production cross sections of B hadron and quarkonium states in pp collisions at $\sqrt{s} = 13$ TeV are presented. [...]
CMS-CR-2016-132.- Geneva : CERN, 2016 - 8 p. Fulltext: PDF;
In : The 16th International Conference on B-Physics at Frontier Machines, Marseille, France, 2 - 6 May 2016

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2016-07-01
15:26
B hadron properties at CMS / Heredia De La Cruz, Ivan (CINVESTAV, IPN) /CMS Collaboration
Precise measurements of B hadron properties are crucial to improve or constrain models based on non-perturbative quantum chromodynamics, which provide predictions of mass, lifetime, cross section, polarization, and branching ratios (among several other properties) of B hadrons. Measurements of CP violation in $B^0_s$ and properties of rare B decays also provide many opportunities to search for new physics. [...]
CMS-CR-2016-131.- Geneva : CERN, 2016 - 8 p. Fulltext: PDF;
In : The 16th International Conference on B-Physics at Frontier Machines, Marseille, France, 2 - 6 May 2016

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