CERN Accelerating science

CERN Preprints

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2018-06-19
13:55
$ZZ$ production at the LHC: NNLO predictions for $2\ell2\nu$ and $4\ell$ signatures / Kallweit, Stefan ; Wiesemann, Marius
We consider QCD radiative corrections to $ZZ$ production for all experimentally relevant leptonic processes. [...]
CERN-TH-2018-127 ; CERN-TH-2018-127 ; arXiv:1806.05941.
- 14 p.
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2018-06-19
13:55
The upgrade of the RPC-based ALICE Muon Trigger / Ferretti, A.
The ALICE Muon Trigger is currently yielded by a detector currently composed of 72 Bakelite single-gap Resistive Plate Chambers operated in maxi-avalanche mode, arranged in four 5.5x6.5 m2 detection planes. [...]
arXiv:1806.05879.
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2018-06-19
13:54
Constraining anomalous gluon self-interactions at the LHC: a reappraisal / Hirschi, V. ; Maltoni, F. ; Tsinikos, I. ; Vryonidou, E.
Anomalous self-interactions of non-abelian gauge fields can be described by higher dimensional operators featuring gauge-invariant combinations of the field strengths. [...]
CP3-18-35 ; TUM-HEP-1145/18 ; CERN-TH-2018-136 ; arXiv:1806.04696 ; CP3-18-35 ; TUM-HEP-1145-18 ; CERN-TH-2018-136.
- 33 p.
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2018-06-19
13:54
Characterization of a depleted monolithic pixel sensors in 150 nm CMOS technology for the ATLAS Inner Tracker upgrade / Iguaz, F.J. (AIM, Saclay) ; Balli, F. (AIM, Saclay) ; Barbero, M. (Marseille, CPPM) ; Bhat, S. (Marseille, CPPM) ; Breugnon, P. (Marseille, CPPM) ; Caicedo, I. (Bonn U.) ; Chen, Z. (Marseille, CPPM) ; Degerli, Y. (AIM, Saclay) ; Godiot, S. (Marseille, CPPM) ; Guilloux, F. (AIM, Saclay) et al.
This work presents a depleted monolithic active pixel sensor (DMAPS) prototype manufactured in the LFoundry 150\,nm CMOS process. [...]
arXiv:1806.04400.
- 2 p.
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2018-06-19
13:54
Charged particle timing at sub-25 picosecond precision: the PICOSEC detection concept / Iguaz, F.J. (AIM, Saclay) ; Bortfeldt, J. (CERN) ; Brunbauer, F.M. (CERN) ; David, C. (CERN) ; Desforge, D. (AIM, Saclay) ; Fanourakis, G. (Democritos Nucl. Res. Ctr.) ; Franchi, J. (CERN) ; Gallinaro, M. (LIP, Lisbon) ; García, F. (Helsinki U.) ; Giomataris, I. (AIM, Saclay) et al.
The PICOSEC detection concept consists in a "two-stage" Micromegas detector coupled to a Cherenkov radiator and equipped with a photocathode. [...]
arXiv:1806.04395.
- 4 p.
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2018-06-19
13:54
Forward-backward $b$-quark asymmetry at the Z pole: QCD uncertainties redux / d'Enterria, David (CERN) ; Yan, Cynthia (CERN ; Harvey Mudd Coll.)
The forward-backward asymmetry of $b$-quarks measured at LEP in $e^+e^-$ collisions at the Z pole, $A_{FB}^{0,b}|^{\rm exp} = 0.0992\pm0.0016$, remains today the electroweak precision observable with the largest disagreement (2.8$\sigma$) with the Standard Model theoretical prediction, $A_{FB}^{0,b}|^{\rm th} = 0.1037\pm0.0008$. [...]
arXiv:1806.00141.
- 4 p.
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2018-06-19
13:54
Perspectives to find heavy neutrinos with NA62 / Drewes, Marco (Louvain U., CP3 ; Munich, Tech. U., Universe) ; Hajer, Jan (Louvain U., CP3 ; Hong Kong U. Sci. Tech.) ; Klaric, Juraj (Munich, Tech. U., Universe ; Munich, Tech. U.) ; Lanfranchi, Gaia (Frascati)
The sensitivity of beam dump experiments to heavy neutrinos depends on the relative size of their mixings with the lepton flavours in the Standard Model. [...]
arXiv:1806.00100.
- 7 p.
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2018-06-19
13:54
A primary electron beam facility at CERN / Åkesson, T. (Lund U.) ; Dutheil, Y. (CERN) ; Evans, L. (CERN) ; Grudiev, A. (CERN) ; Papaphilippou, Y. (CERN) ; Stapnes, S. (CERN)
This document describes the concept of a primary electron beam facility at CERN, to be used for dark gauge force and light dark matter searches. [...]
arXiv:1805.12379.
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2018-06-19
13:54
Implementation of Maxwell's equations in the reconstruction of the magnetic field in the $g-2$ storage ring / Bodwin, Geoffrey T. (Argonne) ; Chung, Hee Sok (Argonne ; Munich, Tech. U. ; CERN) ; Repond, José (Argonne)
We present a method for implementing the constraints that are implied by Maxwell's equations in fits to measurements of the magnetic field in the muon storage ring of the $g-2$ experiment. [...]
arXiv:1805.12163.
- 27 p.
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2018-06-16
06:17
The Cosmic Ray Energetics and Mass (CREAM) timing charge detector / Ahn, H S ; Allison, P S ; Bagliesi, M G ; Beatty, J J ; Bigongiari, G ; Boyle, P ; Childers, J T ; Conklin, N B ; Coutu, S ; DuVernois, M A et al.
The use of detectors based on plastic scintillator with photomultiplier tubes (PMTs) is common in cosmic-ray experiments to differentiate particle charges. [...]
2009. - 12 p.

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