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2019-12-10
04:11
Precision calculations of dark matter relic abundance / Ala-Mattinen, Kalle ; Kainulainen, Kimmo
The dark matter annihilation channels sometimes involve sharp resonances. [...]
arXiv:1912.02870 ; CERN-TH-2019-214. - 20 p.
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2019-12-09
18:52
Determination of the strong coupling constant ${\alpha_S}(m_{\mathrm{Z}})$ from measurements of inclusive $\mathrm{W}^{\pm}$ and $Z$ boson production cross sections in proton-proton collisions at $\sqrt{s} = $ 7 and 8 TeV
Twelve measurements of inclusive cross sections of $\mathrm{W^{\pm}} $ and $\mathrm{Z}$ boson production, performed in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV, are compared with perturbative quantum chromodynamics calculations at next-to-next-to-leading order (NNLO) accuracy obtained with the CT14, HERAPDF2.0, MMHT14, and NNPDF3.0 parton distribution functions (PDFs). [...]
CERN-EP-2019-259 ; CMS-SMP-18-005-003. - 2019.
Additional information for the analysis - CMS AuthorList - Fulltext

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2019-12-09
13:47
Measurement of $CP$ violation in $B^0\to D^{*\pm} D^{\mp}$ decays
The decay-time-dependent $CP$ asymmetry in $B^0 \to D^{*\pm}D^{\mp}$ decays is measured using a data set corresponding to an integrated luminosity of$9$fb$^{-1}$ recorded by the LHCb detector in proton-proton collisions at centre-of-mass energies of 7, 8 and 13 TeV. [...]
CERN-EP-2019-264 ; LHCB-PAPER-2019-036. - 2019.
Fulltext - Previous draft version - Related data file(s)

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2019-12-09
11:43
Behaviour of copper during initial conditioning in the pulse DC system / Profatilova, Iaroslava (CERN) ; Wuensch, Walter (CERN) ; Calatroni, Sergio (CERN)
Conditioning is a process that is used to improve the quality of RF accelerating structures before starting operation at full field and power. [...]
CERN-ACC-2019-0058 ; CLIC-Note-1145. - 2019. - 10 p.
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2019-12-08
12:49
Double Higgs boson production and Higgs self-coupling extraction at CLIC / Roloff, Philipp Gerhard (CERN) ; Schnoor, Ulrike (CERN) ; Simoniello, Rosa (Johannes Gutenberg Universitaet Mainz (DE)) ; Xu, B (University of Cambridge, United Kingdom)
The Compact Linear Collider (CLIC) is a future electron-positron collider that will allow measurement of the trilinear Higgs self-coupling in double Higgs boson events produced at its high-energy stages with collision energies of √s = 1.5 and 3 TeV. The sensitivity to the Higgs self-coupling is driven by the measurements of the cross section and the invariant mass distribution of the Higgs-boson pair in the W-boson fusion process, e+e− → HHνeνe. [...]
CLICdp-Pub-2019-007.- Geneva : CERN, 2019 - 20. Fulltext: PDF;

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2019-12-07
21:58
Performance of the reconstruction and identification of high-momentum muons in proton-proton collisions at $\sqrt{s} = $ 13 TeV
The CMS detector at the LHC has recorded events from proton-proton collisions, with muon momenta reaching up to 1.8 TeV in the collected dimuon samples. [...]
CERN-EP-2019-238 ; CMS-MUO-17-001-003. - 2019.
Additional information for the analysis - CMS AuthorList - Fulltext

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2019-12-06
14:37
Silicon Vertex & Tracking Detectors for the Compact Linear Collider / Spannagel, Simon (University of Glasgow (GB))
CLIC is a proposed linear e+ e- collider with center-of-mass energies of up to 3 TeV. Its main objectives are precise top quark, Higgs boson and Beyond Standard Model physics. [...]
CLICdp-Conf-2019-013.- Geneva : CERN, 2019 - 11. Fulltext: PDF;

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2019-12-06
11:29
BE Department Annual Report 2018 / Collier, Paul (CERN) ; Arduini, Gianluigi (CERN) ; Billen, Ronny (CERN) ; Hatziangeli, Eugenia (CERN) ; Jensen, Erk (CERN) ; Jones, Rhodri (CERN) ; Laderi, Efthymia (CERN) ; Lamont, Mike (CERN) ; Mackney, Anna (CERN) ; Sollander, Peter (CERN) et al.
The Beams Department hosts the Groups responsible for the beam generation, acceleration, diagnostics, controls and performance optimization for the whole CERN accelerator complex. [...]
CERN-ACC-2019-0057. - 2019. - 96 p.
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2019-12-06
04:06
The CMS Outer Tracker for the High Luminosity LHC upgrade / La Rosa, Alessandro
The High Luminosity Large Hadron Collider (HL-LHC) at CERN is expected to collide protons at a centre-of-mass energy of 14\,TeV and to reach the unprecedented peak instantaneous luminosity of 5\,$-$\,7.5\,x\,$10^{34}$\,cm$^{-2}$s$^{-1}$ with an average number of pileup events of 140\,$-$\,200. [...]
arXiv:1912.02061. - 9 p.
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2019-12-06
04:06
Strange-Meson Spectroscopy at COMPASS / Wallner, S.
COMPASS is a multi-purpose fixed-target experiment at CERN aimed at studying the structure and spectrum of hadrons. [...]
arXiv:1911.13079. -
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