CERN Accelerating science

CERN Preprints

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2016-07-25
11:23
LHC Run 2: Results and Challenges / Bruce, Roderik (CERN) ; Arduini, Gianluigi (CERN) ; Bartosik, Hannes (CERN) ; De Maria, Riccardo (CERN) ; Giovannozzi, Massimo (CERN) ; Iadarola, Giovanni (CERN) ; Jowett, John (CERN) ; Li, Kevin Shing Bruce (CERN) ; Lamont, Mike (CERN) ; Lechner, Anton (CERN) et al.
The first proton run of the LHC was very successful and resulted in important physics discoveries. [...]
CERN-ACC-2016-0103.
- 2016. - 8 p.
Full text

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2016-07-25
11:01
Intensity effects in the formation of stable islands in phase space during the multi-turn extraction process at the CERN PS / machida, Shinji (STFC) ; Prior, Chris ; Gilardoni, Simone (CERN) ; Giovannozzi, Massimo (CERN) ; Hirlander, Simon (Graz University of Technology (AT)) ; Huschauer, Alexander (CERN)
The CERN PS utilises a Multi-Turn Extraction (MTE) scheme to stretch the beam pulse length to optimise the filling process of the SPS. [...]
CERN-ACC-2016-0102.
- 2016. - 6 p.
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2016-07-25
07:42
Monte Carlo simulations of Higgs-boson production at the LHC with the KrkNLO method / Jadach, S ; Nail, G ; Placzek, W ; Sapeta, S ; Siodmok, A ; Skrzypek, M
We present numerical tests and predictions of the KrkNLO method for matching of NLO QCD corrections to hard processes with LO parton shower Monte Carlo generators. [...]
arXiv:1607.06799 ; IFJPAN-IV-2016-10 ; CERN-PH-TH-2016-166 ; MAN-HEP-2016-13 ; KA-TP-23-2016 ; MCNET-16-27.
- 2016. - 13 p.
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2016-07-25
07:42
$SU(2)$ gauge theory with two fundamental flavours: scalar and pseudoscalar spectrum / Arthur, Rudy ; Drach, Vincent ; Hietanen, Ari ; Pica, Claudio ; Sannino, Francesco
We investigate the scalar and pseudoscalar spectrum of the $SU(2)$ gauge theory with $N_f=2$ flavours of fermions in the fundamental representation using non perturbative lattice simulations. [...]
arXiv:1607.06654 ; CERN-TH-2016-169.
- 2016. - 18 p.
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2016-07-24
00:48
Measurement of electroweak production of a W boson and two forward jets in proton-proton collisions at $ \sqrt{s} = $ 8 TeV
A measurement is presented of the cross section for the electroweak production of a W boson in association with two jets in proton-proton collisions at a center-of-mass energy of 8 TeV. [...]
CERN-EP-2016-093 ; CMS-SMP-13-012-003.
- 2016.
Additional information for the analysis - CMS AuthorList - Fulltext

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2016-07-23
22:19
Measurement of the WZ production cross section in pp collisions at $\sqrt{s} = $ 13 TeV
The WZ production cross section in proton-proton collisions at $\sqrt{s} = $ 13 TeV is measured with the CMS experiment at the LHC using a data sample corresponding to an integrated luminosity of 2.3 fb$^{-1}$. [...]
CERN-EP-2016-169 ; CMS-SMP-16-002-003.
- 2016.
Additional information for the analysis - CMS AuthorList - Fulltext

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2016-07-22
09:59
Measurement of the total cross section from elastic scattering in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector / ATLAS Collaboration
A measurement of the total $pp$ cross section at the LHC at $\sqrt{s}=8$ TeV is presented [...]
CERN-EP-2016-158 ; arXiv:1607.06605.
- 2016. - 17 p.
Previous draft version - Full text - Full text

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2016-07-22
07:40
Slow running of the Gradient Flow coupling from 200 MeV to 4 GeV in $N_{\rm f}=3$ QCD / Brida, Mattia Dalla ; Fritzsch, Patrick ; Korzec, Tomasz ; Ramos, Alberto ; Sint, Stefan ; Sommer, Rainer
Using a finite volume Gradient Flow (GF) renormalization scheme with Schr\"odinger Functional (SF) boundary conditions, we compute the non-perturbative running coupling in the range $2.2 \lesssim {\bar g}_\mathrm{GF}^2(L) \lesssim 13$. [...]
arXiv:1607.06423 ; CERN-TH-2016-160 ; DESY 16-133 ; IFT-UAM-CSIC-16-067 ; WUB-16-02 ; YITP-16-89.
- 2016. - 34 p.
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2016-07-22
07:39
Observation of $\eta_{c}(2S) \to p \bar p$ and search for $X(3872) \to p \bar p$ decays / LHCb collaboration
The first observation of the decay $\eta_{c}(2S) \to p \bar p$ is reported using proton-proton collision data corresponding to an integrated luminosity of $3.0\rm \, fb^{-1}$ recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV [...]
arXiv:1607.06446 ; LHCB-PAPER-2016-016 ; CERN-EP-2016-175.
- 2016. - 16 p.
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2016-07-21
16:11
Measurement of the $B_{s}^{0} \rightarrow J/\psi \eta$ lifetime
Using a data set corresponding to an integrated luminosity of $3 fb^{-1}$, collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV, the effective lifetime in the $B^0_s \rightarrow J/\psi \eta$ decay mode, $\tau_{\textrm{eff}}$, is measured to be $$\tau_{\textrm{eff}} = 1.479 \pm 0.034~\textrm{(stat)} \pm 0.011 ~\textrm{(syst)}\rm ps.$$ Assuming $CP$ conservation, $\tau_{\textrm{eff}}$ corresponds to the lifetime of the light $B_s^0$ mass eigenstate. [...]
CERN-EP-2016-166 ; LHCB-PAPER-2016-017.
- 2016.
Fulltext - Previous draft version - Related data file(s)

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