CERN Accelerating science

CERN Preprints

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2016-07-28
11:26
Measurement of the $b\overline{b}$ dijet cross section in $pp$ collisions at $\sqrt{s} = 7$ TeV with the ATLAS detector.
The dijet production cross section for jets containing a $b$-hadron ($b$-jets) has been measured in proton--proton collisions with a centre-of-mass energy of $\sqrt{s} = 7$ TeV, using the ATLAS detector at the LHC. [...]
CERN-EP-2016-091.
- 2016.
Fulltext - Previous draft version

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2016-07-28
07:34
Moduli Backreaction on Inflationary Attractors / Roest, Diederik ; Scalisi, Marco ; Werkman, Pelle
We investigate the interplay between moduli dynamics and inflation, focusing on the KKLT-scenario and cosmological $\alpha$-attractors. [...]
arXiv:1607.08231 ; CERN-TH-2016-168 ; DESY 16-143.
- 2016. - 23 p.
Preprint - Full text

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2016-07-27
13:31
Search for new phenomena in different-flavour high-mass dilepton final states in \boldmath{$pp$} collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is performed for a heavy particle decaying into different flavour dilepton pairs ($e\mu$, $e\tau$ or $\mu\tau$), using 3.2 $fb^{-1}$ of proton--proton collision data at $\sqrt{s}=13$ TeV collected in 2015 by the ATLAS detector at the Large Hadron Collider. [...]
CERN-EP-2016-168 ; arXiv:1607.08079.
- 2016. - 25 p.
Previous draft version - Full text - Full text

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2016-07-27
08:47
The Linac4 Project / Lombardi, Alessandra (CERN)
Linac4 is a normal conducting, 160 MeV H- ion accelerator that is being constructed within the scope of the LHC injectors upgrade project. [...]
CERN-ACC-2016-0104.
- 2016. - 7 p.
Full text

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2016-07-27
08:13
Measurement of the ratio of branching fractions $\mathcal{B}(B_{c}^{+} \to J/\psi K^{+})/\mathcal{B}(B_{c}^{+} \to J/\psi\pi^{+})$ / LHCb collaboration
The ratio of branching fractions $R_{K/\pi} \equiv \mathcal{B}(B_{c}^{+} \to J/\psi K^{+})/\mathcal{B}(B_{c}^{+} \to J/\psi\pi^{+})$ is measured with $pp$ collision data collected by the LHCb experiment at centre-of-mass energies of 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3${\mbox{fb}^{-1}}$. [...]
arXiv:1607.06823 ; LHCB-PAPER-2016-020 ; CERN-EP-2016-173.
- 2016. - 16 p.
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2016-07-27
06:00
Fundamental Physics with Antihydrogen / Hangst, Jeffrey S (Aarhus U. ; CERN)
Antihydrogen—the antimatter equivalent of the hydrogen atom—is of fundamental interest as a test bed for universal symmetries—such as CPT and the Weak Equivalence Principle for gravitation. [...]
2014. - 19 p.

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2016-07-26
08:15
Analysis of the Influence of Fibre Diameter on Wirescanner Beam Profile Measurements / King, Quentin (CERN)
It is often important to be able to measure beam profiles in regions where the beam size is very small. [...]
CERN-SPS-ABM-Note-88-02.
- 1988. - 8 p.
Fulltext

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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.
Full text

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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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