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2017-09-22
15:18
Search for diboson resonances decaying into W, Z and H bosons at CMS / Lange, Clemens (CERN) /CMS Collaboration
Beyond the standard model theories like extra-dimensions and composite Higgs scenarios predict the existence of very heavy resonances compatible with a spin-0 (radion), spin-1 (W', Z') and spin-2 (graviton) particle with large branching fractions in pairs of standard model bosons and negligible branching fractions to light fermions. We present an overview of searches for new physics containing W, Z or H bosons in the final state, using proton-proton collision data collected with the CMS detector at the CERN LHC. [...]
CMS-CR-2017-273.- Geneva : CERN, 2017 - 7 p. Fulltext: PDF;
In : 2017 European Physical Society Conference on High Energy Physics, Venice, Italy, 05 - 12 Jul 2017

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2017-09-22
15:18
Performance and track-based alignment of the Phase-1 upgraded CMS pixel detector / Botta, Valeria (DESY) /CMS Collaboration
The Compact Muon Solenoid (CMS) detector is a multi-purpose detector constructed in order to study high-energy particle collisions at the Large Hadron Collider (LHC) at CERN. The all-silicon design of the tracking system of the CMS experiment provided excellent resolution for charged tracks and an efficient tagging of jets during Run 1 and Run 2 of the LHC. [...]
CMS-CR-2017-256.- Geneva : CERN, 2017 - 7 p. Fulltext: PDF;
In : 2017 European Physical Society Conference on High Energy Physics, Venice, Italy, 05 - 12 Jul 2017

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2017-09-22
09:29
$ZZ \to \ell^{+}\ell^{-}\ell^{\prime +}\ell^{\prime -}$ cross-section measurements and search for anomalous triple gauge couplings in 13 TeV $pp$ collisions with the ATLAS detector
Measurements of $ZZ$ production in the $\ell^{+}\ell^{-}\ell^{\prime +}\ell^{\prime -}$ channel in proton-proton collisions at 13 TeV center-of-mass energy at the Large Hadron Collider are presented. [...]
CERN-EP-2017-163.
- 2017.
Fulltext - Previous draft version

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2017-09-22
06:59
Higgs boson measurements and extended scalar sector searches in bosonic final states / Zenz, Seth (Imperial Coll., London) /CMS Collaboration
Searches for additional Higgs-like bosons in the H to WW and H to ZZ decay channels are reported, for boson masses in the range 145 $< m_H <$ 1000 GeV. The results are based upon proton-proton collision data samples at $\sqrt{s}$ = 8 and 13 TeV, recorded by the CMS experiment at the LHC. [...]
CMS-CR-2017-182.- Geneva : CERN, 2017 - 7 p. Fulltext: PDF;
In : 25th International Workshop on Deep Inelastic Scattering and Related Topics, Birmingham, UK, 03 - 07 Apr 2017

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2017-09-21
22:21
Observation of top quark production in proton-nucleus collisions
The first observation of top quark production in proton-nucleus collisions is reported using proton-lead data collected by the CMS experiment at the CERN LHC at a nucleon-nucleon center-of-mass energy of $\sqrt{\smash[b]{s_{\mathrm{NN}}}} = $ 8.16 TeV. [...]
CERN-EP-2017-239 ; CMS-HIN-17-002-003.
- 2017.
Additional information for the analysis - CMS AuthorList - Fulltext

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2017-09-21
21:44
Evidence for the Higgs boson decay to a bottom quark-antiquark pair
A search for the standard model (SM) Higgs boson (H) decaying to $\mathrm{b\bar{b}}$ when produced in association with an electroweak vector boson is reported for the following processes: $\mathrm{Z}(\nu\nu)\mathrm{H}$, $\mathrm{W}(\mu\nu)\mathrm{H}$, $\mathrm{W}(\mathrm{e}\nu)\mathrm{H}$, $\mathrm{Z}(\mu\mu)\mathrm{H}$, and $\mathrm{Z}(\mathrm{e}\mathrm{e})\mathrm{H}$. [...]
CERN-EP-2017-233 ; CMS-HIG-16-044-003.
- 2017.
Additional information for the analysis - CMS AuthorList - Fulltext

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2017-09-21
15:37
Measurement of the $t\bar{t}$ spin correlations and top quark polarization in dileptonic channel / Khatiwada, Ajeeta (Purdue U.) /CMS Collaboration
The degree of top polarization and strength of $t\bar{t}$ correlation are dependent on production dynamics, decay mechanism, and choice of the observables. At the LHC, measurement of the top polarization and spin correlations in $t\bar{t}$ production is possible through various observables related to the angular distribution of decay leptons. [...]
CMS-CR-2017-268.- Geneva : CERN, 2017 - 9 p. Fulltext: PDF;
In : DPF Meeting 2017, Batavia, Il, United States Of America, 31 Jul - 4 Aug 2017

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2017-09-21
15:32
Search for supersymmetry with compressed mass spectra or decays via Higgs bosons at CMS / Heidegger, Constantin (Zurich, ETH) /CMS Collaboration
In this talk, a review of searches for supersymmetric particles with very compressed mass spectra and searches for supersymmetric particles that decay via Higgs bosons is presented. All searches have used $35.9\,\mathrm{fb}^{-1}$ of $13\,\mathrm{TeV}$ data collected by the CMS detector at the CERN LHC in 2016..
CMS-CR-2017-236.- Geneva : CERN, 2017 - 7 p. Fulltext: PDF;
In : 2017 European Physical Society Conference on High Energy Physics, Venice, Italy, 05 - 12 Jul 2017

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2017-09-21
15:32
Search for EWK production of SUSY in final states with multiple leptons at the CMS experiment at the CERN LHC / Heidegger, Constantin (Zurich, ETH) /CMS Collaboration
This poster reports on the search for the production of charginos and neutralinos in events with either two leptons of the same charge or three or more leptons using the full 2016 proton-proton collision dataset of $35.9\,\mathrm{fb}^{-1}$ at $\sqrt{s}=13\,\mathrm{TeV}$ collected by the CMS detector. Exclusion limits at $95\,\%$ confidence level range between $450-1100\,\mathrm{GeV}$ depending on the SUSY scenario..
CMS-CR-2017-237.- Geneva : CERN, 2017 - 7 p. Fulltext: PDF;
In : 2017 European Physical Society Conference on High Energy Physics, Venice, Italy, 05 - 12 Jul 2017

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2017-09-21
15:32
Performance of the modules for layer 1 of the CMS phase 1 pixel detector upgrade / Meinhard, Maren Tabea (Zurich, ETH) ; Backhaus, Malte (Zurich, ETH) ; Berger, Pirmin (Zurich, ETH) ; Starodumov, Andrey (Boskovic Inst., Zagreb)
The instantaneous luminosity of the Large Hadron Collider will increase to up to 2x10$^{34}$\;cm$^{-2}$s$^{-1}$ by 2023. In order to cope with such luminosities, the pixel detector of the CMS experiment has been replaced in January 2017. [...]
CMS-CR-2017-241.- Geneva : CERN, 2017 - 9 p. Fulltext: PDF;
In : 19th International Workshop on Radiation Imaging Detectors, Krakow, Poland, 2 - 6 Jul 2017

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